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74LCX374FT

Public Made by Adom

by adom

TOSHIBA Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74LCX374FT

TOSHIBA · Flip Flops · TSSOP-20

74LCX374FT from TOSHIBA, in a TSSOP-20. 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 Active-low output enable input; when high, the eight outputs are in the high-impedance state.
2 Q0 tri_state 3-state flip-flop output 0, 5-V tolerant, rated
3 D0 input Data input 0, 5-V tolerant, latched on the clock edge.
4 D1 input Data input 1, 5-V tolerant, latched on the clock edge.
5 Q1 tri_state 3-state flip-flop output 1, 5-V tolerant, rated
6 Q2 tri_state 3-state flip-flop output 2, 5-V tolerant, rated
7 D2 input Data input 2, 5-V tolerant, latched on the clock edge.
8 D3 input Data input 3, 5-V tolerant, latched on the clock edge.
9 Q3 tri_state 3-state flip-flop output 3, 5-V tolerant, rated
10 GND power_in Ground pin (0 V).
11 CK input Clock input that controls the D-type flip-flops.
12 Q4 tri_state 3-state flip-flop output 4, 5-V tolerant, rated
13 D4 input Data input 4, 5-V tolerant, latched on the clock edge.
14 D5 input Data input 5, 5-V tolerant, latched on the clock edge.
15 Q5 tri_state 3-state flip-flop output 5, 5-V tolerant, rated
16 Q6 tri_state 3-state flip-flop output 6, 5-V tolerant, rated
17 D6 input Data input 6, 5-V tolerant, latched on the clock edge.
18 D7 input Data input 7, 5-V tolerant, latched on the clock edge.
19 Q7 tri_state 3-state flip-flop output 7, 5-V tolerant, rated
20 VCC power_in Supply voltage pin, operating range 1.65 to 3.6 V.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TSSOP-20
Category Logic
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC -0.5 6.5 V 4
Input voltage VIN -0.5 6.5 V 4
Input diode current IIK -50 mA 4
Output diode current IOK -50 50 mA VOUT < GND, VOUT > VCC 4
Output current IOUT -50 50 mA 4
Power dissipation PD 180 mW 4
VCC/ground current ICC/IGND -100 100 mA 4
Storage temperature Tstg -65 150 °C 4
Supply voltage VCC 1.65 3.6 V 4
Operating temperature Topr -40 85 °C 4
Input rise and fall times dt/dv 0 10 ns/V VIN = 0.8 to 2.0 V, VCC = 3.0 V 4
High-level input voltage VIH 2 V VCC = 2.7 to 3.6 V 5
High-level input voltage VIH 1.7 V VCC = 2.3 to 2.7 V 5
Low-level input voltage VIL 0.8 V VCC = 2.7 to 3.6 V 5
Low-level input voltage VIL 0.7 V VCC = 2.3 to 2.7 V 5
Output skew tosLH,tosHL 1 ns VCC = 3.3 ± 0.3 V 6
Propagation delay time (CK-Q) tPLH,tPHL 8.5 ns VCC = 3.3 ± 0.3 V 6
Quiet output maximum dynamic VOL VOLP 0.8 V VCC = 3.3 V, VIH = 3.3 V, VIL = 0 V, Ta = 25 6
Quiet output minimum dynamic VOL /VOLV/ 0.8 V VCC = 3.3 V, VIH = 3.3 V, VIL = 0 V, Ta = 25 6
Input capacitance CIN 7 pF VCC = 3.3 V, Ta = 25 6
Output capacitance COUT 8 pF VCC = 3.3 V, Ta = 25 6
Power dissipation capacitance CPD 25 pF fIN = 10 MHz, VCC = 3.3 V, Ta = 25 6

CAD (KiCad official)

  • Symbol: 74LCX374FT
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 74lcx374ft-etched.step / 74lcx374ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74lcx374ft.step / 74lcx374ft.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TOSHIBA datasheet (10 pp, sha256 93f19747ee599c23, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF