component
MC74LV594ADTR2G
Public Made by Adomby adom
onsemi Shift Registers, TSSOP-16. Pinout cross-checked by two models against the datasheet, 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
markdownMC74LV594ADTR2G
onsemi · Shift Registers · TSSOP-16
MC74LV594ADTR2G from onsemi, 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 | QB | output | Parallel storage-register output for bit B. |
| 2 | QC | output | Parallel storage-register output for bit C. |
| 3 | QD | output | Parallel storage-register output for bit D. |
| 4 | QE | output | Parallel storage-register output for bit E. |
| 5 | QF | output | Parallel storage-register output for bit F. |
| 6 | QG | output | Parallel storage-register output for bit G. |
| 7 | QH | output | Parallel storage-register output for bit H. |
| 8 | GND | power_in | Ground (0 V) reference. |
| 9 | QH' | output | Serial output from the last shift-register stage, provided for cascading. |
| 10 | SRCLR | input | Active-low direct overriding clear for the shift register. |
| 11 | SRCLK | input | Shift-register clock, positive-edge triggered. |
| 12 | RCLK | input | Storage-register clock, positive-edge triggered. |
| 13 | RCLR | input | Active-low direct overriding clear for the storage register. |
| 14 | SER | input | Serial data input to the shift register. |
| 15 | QA | output | Parallel storage-register output for bit A. |
| 16 | VCC | power_in | Positive supply, 2.0 V to 6.0 V operation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
MC74LV594ADTR2G - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
mc74lv594adtr2g-etched.step/mc74lv594adtr2g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mc74lv594adtr2g.step/mc74lv594adtr2g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (12 pp, sha256
5bd47437880451b4, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(vision), consensusclaude-opus-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).