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Contents

README

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74LV74D

Nexperia · Flip Flops · SO-14

74LV74D from Nexperia, in a SO-14. 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 1RD input Asynchronous reset-direct input for flip-flop 1, active-LOW, which forces 1Q LOW and 1Q HIGH while asserted.
2 1D input Data input for flip-flop 1, sampled on the LOW-to-HIGH clock transition, with set-up and hold times given in Table 7.
3 1CP input Clock input for flip-flop 1, positive edge-triggered on the LOW-to-HIGH transition.
4 1SD input Asynchronous set-direct input for flip-flop 1, active-LOW, which forces 1Q HIGH and 1Q LOW while asserted.
5 1Q output True flip-flop output 1Q of flip-flop 1.
6 1Q output Complement flip-flop output of flip-flop 1, the inverse of the true output on pin 5.
7 GND power_in Ground (0 V) reference for all voltages on the device.
8 2Q output Complement flip-flop output of flip-flop 2, the inverse of the true output on pin 9.
9 2Q output True flip-flop output 2Q of flip-flop 2.
10 2SD input Asynchronous set-direct input for flip-flop 2, active-LOW, which forces 2Q HIGH and 2Q LOW while asserted.
11 2CP input Clock input for flip-flop 2, positive edge-triggered on the LOW-to-HIGH transition.
12 2D input Data input for flip-flop 2, sampled on the LOW-to-HIGH clock transition, with set-up and hold times given in Table 7.
13 2RD input Asynchronous reset-direct input for flip-flop 2, active-LOW, which forces 2Q LOW and 2Q HIGH while asserted.
14 VCC power_in Supply voltage, 1.0 V to 5.5 V per the recommended operating conditions.

Key specifications

Parameter Value
Manufacturer Nexperia
Package SO-14
Category Logic
Pins 14

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 7 V 4
Input clamping current IIK 20 mA VI < -0.5 V or VI > VCC + 0.5 V 4
Input voltage VI -0.5 7 V 4
Output clamping current IOK -50 50 mA VO > VCC or VO < 0 4
Output current IO -25 25 mA -0.5 V < VO < VCC + 0.5 V 4
Supply current ICC -50 50 mA 4
Ground current IGND -50 50 mA 4
Storage temperature Tstg -65 150 °C 4
Total power dissipation Ptot 500 mW Tamb = -40 °C to +125 °C 4
Supply voltage VCC 1 3.3 5.5 V 5
Input voltage VI 0 V upper limit printed as VCC 5
Output voltage VO 0 V upper limit printed as VCC 5
Ambient temperature Tamb -40 125 °C 5
Input transition rise and fall rate Δt/ΔV 0 500 ns/V VCC = 1.0 V to 2.0 V 5
Input transition rise and fall rate Δt/ΔV 0 200 ns/V VCC = 2.0 V to 2.7 V 5
Input transition rise and fall rate Δt/ΔV 0 100 ns/V VCC = 2.7 V to 3.6 V 5
Input transition rise and fall rate Δt/ΔV 0 50 ns/V VCC = 3.6 V to 5.5 V 5
HIGH-level input voltage VIH 0.9 V VCC = 1.2 V; -40 °C to +125 °C 6
HIGH-level input voltage VIH 1.4 V VCC = 2.3 V to 2.7 V; -40 °C to +125 °C 6
HIGH-level input voltage VIH 2 V VCC = 2.7 V to 3.6 V; -40 °C to +125 °C 6
LOW-level input voltage VIL 0.3 V VCC = 1.2 V; -40 °C to +125 °C 6
LOW-level input voltage VIL 0.6 V VCC = 2.3 V to 2.7 V; -40 °C to +125 °C 6
LOW-level input voltage VIL 0.8 V VCC = 2.7 V to 3.6 V; -40 °C to +125 °C 6
HIGH-level output voltage VOH 1.8 V VI = VIH or VIL; IO = -100 μA; VCC = 2.0 V; -40 °C to +125 °C 6
HIGH-level output voltage VOH 2.5 V VI = VIH or VIL; IO = -100 μA; VCC = 2.7 V; -40 °C to +125 °C 6
HIGH-level output voltage VOH 2.8 V VI = VIH or VIL; IO = -100 μA; VCC = 3.0 V; -40 °C to +125 °C 6
HIGH-level output voltage VOH 4.3 V VI = VIH or VIL; IO = -100 μA; VCC = 4.5 V; -40 °C to +125 °C 6
HIGH-level output voltage VOH 2.2 V standard outputs: VI = VIH or VIL; VCC = 3.0 V; IO = -6 mA; -40 °C to +125 °C 6
HIGH-level output voltage VOH 3.5 V standard outputs: VI = VIH or VIL; VCC = 4.5 V; IO = -12 mA; -40 °C to +125 °C 6
LOW-level output voltage VOL 0.2 V VI = VIH or VIL; IO = 100 μA; VCC = 2.0 V; -40 °C to +125 °C 6
LOW-level output voltage VOL 0.5 V standard outputs: VI = VIH or VIL; VCC = 3.0 V; IO = 6 mA; -40 °C to +125 °C 6
LOW-level output voltage VOL 0.65 V standard outputs: VI = VIH or VIL; VCC = 4.5 V; IO = 12 mA; -40 °C to +125 °C 6
Input leakage current II -1 1 μA VI = VCC or GND; VCC = 5.5 V; -40 °C to +125 °C 6
Supply current ICC 80 μA VI = VCC or GND; IO = 0 A; VCC = 5.5 V; -40 °C to +125 °C 6
Additional supply current ΔICC 850 μA VI = VCC, 0.6 V; VCC = 2.7 V to 3.6 V; -40 °C to +125 °C 6
Propagation delay nCP to nQ, nQ tpd 56 ns nCP to nQ, nQ; see Fig. 7; VCC = 2.0 V; -40 °C to +125 °C 7
Propagation delay nCP to nQ, nQ tpd 41 ns nCP to nQ, nQ; see Fig. 7; VCC = 2.7 V; -40 °C to +125 °C 7
Propagation delay nCP to nQ, nQ tpd 33 ns nCP to nQ, nQ; see Fig. 7; VCC = 3.0 V to 3.6 V; -40 °C to +125 °C 7
Propagation delay nCP to nQ, nQ tpd 23 ns nCP to nQ, nQ; see Fig. 7; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C 7
Propagation delay nSD to nQ, nQ tpd 58 ns nSD to nQ, nQ; see Fig. 8; VCC = 2.0 V; -40 °C to +125 °C 7
Propagation delay nSD to nQ, nQ tpd 43 ns nSD to nQ, nQ; see Fig. 8; VCC = 2.7 V; -40 °C to +125 °C 7
Propagation delay nSD to nQ, nQ tpd 34 ns nSD to nQ, nQ; see Fig. 8; VCC = 3.0 V to 3.6 V; -40 °C to +125 °C 7
Propagation delay nSD to nQ, nQ tpd 24 ns nSD to nQ, nQ; see Fig. 8; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C 7
Propagation delay nRD to nQ, nQ tpd 58 ns nRD to nQ, nQ; see Fig. 8; VCC = 2.0 V; -40 °C to +125 °C 7
Propagation delay nRD to nQ, nQ tpd 43 ns nRD to nQ, nQ; see Fig. 8; VCC = 2.7 V; -40 °C to +125 °C 7
Propagation delay nRD to nQ, nQ tpd 34 ns nRD to nQ, nQ; see Fig. 8; VCC = 3.0 V to 3.6 V; -40 °C to +125 °C 7
Propagation delay nRD to nQ, nQ tpd 24 ns nRD to nQ, nQ; see Fig. 8; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C 7
Pulse width LOW nSD or nRD tW 41 ns nSD or nRD pulse width LOW; see Fig. 8; VCC = 2.0 V; -40 °C to +125 °C 7
Pulse width LOW nSD or nRD tW 30 ns nSD or nRD pulse width LOW; see Fig. 8; VCC = 2.7 V; -40 °C to +125 °C 7
Pulse width LOW nSD or nRD tW 24 ns nSD or nRD pulse width LOW; see Fig. 8; VCC = 3.0 V to 3.6 V; -40 °C to +125 °C 7
Pulse width LOW nSD or nRD tW 18 ns nSD or nRD pulse width LOW; see Fig. 8; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C 7
Maximum frequency fmax 12 MHz nCP; see Fig. 7; VCC = 2.0 V; -40 °C to +125 °C 8
Maximum frequency fmax 40 MHz nCP; see Fig. 7; VCC = 2.7 V; -40 °C to +125 °C 8
Maximum frequency fmax 48 MHz nCP; see Fig. 7; VCC = 3.0 V to 3.6 V; -40 °C to +125 °C 8
Maximum frequency fmax 56 MHz nCP; see Fig. 7; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C 8

CAD (KiCad official)

  • Symbol: 74LV74D
  • Footprint: Adom_Gen:Nexperia_74
  • 3D model: SO-14 (KiCad packages3D, STEP)
  • 3D model files: 74lv74d-etched.step / 74lv74d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74lv74d.step / 74lv74d.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (15 pp, sha256 223ddb283c012939, retrieved 2026-10-29, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF