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SN74HC373PWR
Public Made by Adomby adom
Texas Instruments Latches, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74HC373PWR
Texas Instruments · Latches · TSSOP-20
SN74HC373PWR from Texas Instruments, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OE | input | Output enable, active low; enables 3-state output drivers when low (±6 mA at 5V, ±7.8 mA at 6V), tri-states all outputs when high |
| 2 | 1Q | tri_state | Latch output for channel 1; 3-state output follows 1D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 3 | 1D | input | Data input for channel 1; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 4 | 2D | input | Data input for channel 2; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 5 | 2Q | tri_state | Latch output for channel 2; 3-state output follows 2D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 6 | 3Q | tri_state | Latch output for channel 3; 3-state output follows 3D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 7 | 3D | input | Data input for channel 3; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 8 | 4D | input | Data input for channel 4; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 9 | 4Q | tri_state | Latch output for channel 4; 3-state output follows 4D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 10 | GND | power_in | Ground, 0V reference; maximum continuous current ±70 mA per absolute maximum ratings |
| 11 | LE | input | Latch enable, active high; Q outputs follow D inputs transparently when high, hold state when low, input range 0V to VCC |
| 12 | 5Q | tri_state | Latch output for channel 5; 3-state output follows 5D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 13 | 5D | input | Data input for channel 5; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 14 | 6D | input | Data input for channel 6; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 15 | 6Q | tri_state | Latch output for channel 6; 3-state output follows 6D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 16 | 7Q | tri_state | Latch output for channel 7; 3-state output follows 7D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 17 | 7D | input | Data input for channel 7; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 18 | 8D | input | Data input for channel 8; input voltage range 0V to VCC, setup time 15 ns at 4.5V before LE going low |
| 19 | 8Q | tri_state | Latch output for channel 8; 3-state output follows 8D input when LE is high, holds state when LE is low, ±6 mA drive at 5V |
| 20 | VCC | power_in | Positive supply voltage, 2V to 6V recommended operating range; maximum supply current 160 µA at quiescent condition |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-20 |
| Category | Logic |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
SN74HC373PWR - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
sn74hc373pwr-etched.step/sn74hc373pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hc373pwr.step/sn74hc373pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (38 pp, sha256
14e811d116887347, retrieved 2026-09-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).