component
SN74LVC573ANSR
Public Made by Adomby adom
Texas Instruments Latches, SOIC-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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SN74LVC573ANSR
Texas Instruments · Latches · SOIC-20-208mil
SN74LVC573ANSR from Texas Instruments, in a SOIC-20-208mil. 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 | OE | input | Enable pin for the octal 3-state outputs; the pin-function table gives only the name 'Enable Pin' with no polarity detail in this extract. |
| 2 | 1D | input | Data input 1 of the octal transparent D-type latch. |
| 3 | 2D | input | Data input 2 of the octal transparent D-type latch. |
| 4 | 3D | input | Data input 3 of the octal transparent D-type latch. |
| 5 | 4D | input | Data input 4 of the octal transparent D-type latch. |
| 6 | 5D | input | Data input 5 of the octal transparent D-type latch. |
| 7 | 6D | input | Data input 6 of the octal transparent D-type latch. |
| 8 | 7D | input | Data input 7 of the octal transparent D-type latch. |
| 9 | 8D | input | Data input 8 of the octal transparent D-type latch. |
| 10 | GND | power_in | Ground pin. |
| 11 | LE | input | Latch enable input for the octal transparent D-type latch. |
| 12 | 8Q | tri_state | Output 8 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 13 | 7Q | tri_state | Output 7 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 14 | 6Q | tri_state | Output 6 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 15 | 5Q | tri_state | Output 5 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 16 | 4Q | tri_state | Output 4 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 17 | 3Q | tri_state | Output 3 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 18 | 2Q | tri_state | Output 2 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 19 | 1Q | tri_state | Output 1 of the octal latch with 3-state outputs, designed for driving highly capacitive or relatively low-impedance loads. |
| 20 | VCC | power_in | Power pin; the SN74LVC573A operates from 1.65 V to 3.6 V VCC. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-20-208mil |
| Category | Logic |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
SN74LVC573ANSR - Footprint:
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm - 3D model: SOIC-20-208mil (KiCad packages3D, STEP)
- 3D model files:
sn74lvc573ansr-etched.step/sn74lvc573ansr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc573ansr.step/sn74lvc573ansr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (35 pp, sha256
c42a7e40619c1608, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).