component
SN74HCS157QPWRQ1
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownSN74HCS157QPWRQ1
Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-16
SN74HCS157QPWRQ1 from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | A/B | input | Address select for multiplexer channel selection. |
| 2 | 1A | input | Channel 1, data input A. |
| 3 | 1B | input | Channel 1, data input B. |
| 4 | 1Y | input | Channel 1, data output. |
| 5 | 2A | output | Channel 2, data input A. |
| 6 | 2B | output | Channel 2, data input B. |
| 7 | 2Y | input | Channel 2, data output. |
| 8 | GND | power_in | Ground. |
| 9 | 3Y | input | Channel 3, data output. |
| 10 | 3B | input | Channel 3, data input B. |
| 11 | 3A | input | Channel 3, data input A. |
| 12 | 4Y | input | Channel 4, data output. |
| 13 | 4B | input | Channel 4, data input B. |
| 14 | 4A | input | Channel 4, data input A. |
| 15 | G | input | Output strobe (enable), active low. |
| 16 | VCC | power_in | Positive supply voltage, 2V to 6V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN74HCS157QPWRQ1 - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
sn74hcs157qpwrq1-etched.step/sn74hcs157qpwrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hcs157qpwrq1.step/sn74hcs157qpwrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (31 pp, sha256
7707d6320d4a080b, retrieved 2026-10-06, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).