Independent public references

Follow the source.

Standards references, public manufacturer information and official CAD resources support this library. Original explanations and illustrations are kept distinct from publisher material.

A public download is not automatically licensed for redistribution. Manufacturer graphics, CAD files and standards content remain at their original sources; original artwork has its own clearly stated scope and licence.

Read the sourcing and illustration policy
Nexperia

BC856/BC857/BC858 PNP transistor documentation

Public complementary PNP transistor reference. Terminal roles and component polarity are used without copying the datasheet artwork.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Nexperia

ESD protection and TVS device families

Public documentation of transient-protection families. The educational entry does not assert a clamping rating or protected-equipment qualification.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

NXP Semiconductors

BAP64-02 silicon PIN diode documentation

Public PIN diode description, terminal roles and RF switching/attenuation context. Product diagrams and device ratings are linked only.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

NXP Semiconductors

BB181 variable-capacitance diode documentation

Public historical component reference for a variable-capacitance diode, with anode/cathode roles and tuning applications. Used for terminology, not current product availability or a design recommendation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Analog Devices

Basic Linear Design, Chapter 8: analogue filter response families

Public primary handbook context for low-pass, high-pass, band-pass and band-rejection responses. The miniature response sketches are original conceptual illustrations, with no claimed cutoff, order or component values.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD4051B — analogue channel multiplexing

Public device-function and terminal documentation used as an example of analogue channel multiplexing. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD4066B — analogue bilateral switching

Public device-function and terminal documentation used as an example of analogue bilateral switching. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD4017B — decoded decade counters

Public device-function and terminal documentation used as an example of decoded decade counters. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD4046B — phase-locked loops and voltage-controlled oscillators

Public device-function and terminal documentation used as an example of phase-locked loops and voltage-controlled oscillators. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CDCE913 — clock-generation interfaces

Public device-function and terminal documentation used as an example of clock-generation interfaces. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

TIDA-010054: bidirectional dual-active-bridge reference design

Public DAB system topology and interface reference. Only an independently described functional topology is included; design files, drawings and product ratings remain on the publisher site.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

Differentiator circuit reference, SBOA276

Public differentiating-amplifier function and bandwidth context. No component values, complete design or manufacturer drawing is copied.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

THS4551 — fully differential amplification

Public device-function and terminal documentation used as an example of fully differential amplification. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC00 — NAND gate logic

Public device-function and terminal documentation used as an example of nand gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC02 — NOR gate logic

Public device-function and terminal documentation used as an example of nor gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC04 — digital inverters

Public device-function and terminal documentation used as an example of digital inverters. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC08 — AND gate logic

Public device-function and terminal documentation used as an example of and gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC112 — negative-edge JK flip-flops

Public device-function and terminal documentation used as an example of negative-edge jk flip-flops. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD74HC123 — retriggerable monostables

Public device-function and terminal documentation used as an example of retriggerable monostables. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC125 — three-state buffers

Public device-function and terminal documentation used as an example of three-state buffers. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC138 — binary decoding and demultiplexing

Public device-function and terminal documentation used as an example of binary decoding and demultiplexing. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC14 — Schmitt-trigger inverters

Public device-function and terminal documentation used as an example of schmitt-trigger inverters. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC148 — priority encoding

Public device-function and terminal documentation used as an example of priority encoding. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC151 — digital multiplexing

Public device-function and terminal documentation used as an example of digital multiplexing. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC163 — synchronous binary counters

Public device-function and terminal documentation used as an example of synchronous binary counters. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC164 — serial-in parallel-out shift storage

Public device-function and terminal documentation used as an example of serial-in parallel-out shift storage. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC165 — parallel-load serial shift storage

Public device-function and terminal documentation used as an example of parallel-load serial shift storage. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC245 — bidirectional bus transceivers

Public device-function and terminal documentation used as an example of bidirectional bus transceivers. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC266 — XNOR gate logic

Public device-function and terminal documentation used as an example of xnor gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD74HC283 — binary full adders

Public device-function and terminal documentation used as an example of binary full adders. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC32 — OR gate logic

Public device-function and terminal documentation used as an example of or gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC373 — transparent D latches

Public device-function and terminal documentation used as an example of transparent d latches. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC393 — ripple binary counters

Public device-function and terminal documentation used as an example of ripple binary counters. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC595 — shift registers with separate output storage

Public device-function and terminal documentation used as an example of shift registers with separate output storage. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC74 — positive-edge D flip-flops

Public device-function and terminal documentation used as an example of positive-edge d flip-flops. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

CD74HC85 — digital magnitude comparators

Public device-function and terminal documentation used as an example of digital magnitude comparators. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74HC86 — XOR gate logic

Public device-function and terminal documentation used as an example of xor gate logic. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

Integrator circuit reference, SBOA275

Public integrating-amplifier circuit explanation. Educational geometry indicates feedback roles, not a validated buildable implementation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

AMC1301 — isolated analogue amplification

Public device-function and terminal documentation used as an example of isolated analogue amplification. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

UCC256404 — LLC resonant-converter control

Public device-function and terminal documentation used as an example of llc resonant-converter control. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74LS07 — open-collector output buffers

Public device-function and terminal documentation used as an example of open-collector output buffers. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74LS279A — set-reset latches

Public device-function and terminal documentation used as an example of set-reset latches. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74LS280 — odd/even parity generation and checking

Public device-function and terminal documentation used as an example of odd/even parity generation and checking. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74LVC1G17 — non-inverting Schmitt buffers

Public device-function and terminal documentation used as an example of non-inverting schmitt buffers. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

SN74LVC1T45 — digital voltage-domain translation

Public device-function and terminal documentation used as an example of digital voltage-domain translation. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

LM13700 — operational transconductance amplification

Public device-function and terminal documentation used as an example of operational transconductance amplification. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

Precision full-wave signal rectification reference

Public active signal-rectifier circuit description. Only the function is explained; the manufacturer’s selected complete circuit, values and simulation files are not rehosted.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

TL431 — programmable shunt references

Public device-function and terminal documentation used as an example of programmable shunt references. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

Power topology selection and public topology tutorials

Public tutorials identifying buck, boost, buck-boost, SEPIC, Cuk, Zeta, flyback, forward, push-pull and bridge conversion arrangements. Catalogue previews are conceptual topology/function blocks, not certified standard glyphs or complete power-stage schematics.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed

Texas Instruments

TPS3431 — watchdog timing supervision

Public device-function and terminal documentation used as an example of watchdog timing supervision. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.

Public reference checked 14 October 2026 · Publisher material linked, not redistributed