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SN54AC74, SN74AC74
SCAS521G – AUGUST 1995 – REVISED JULY 2024
SNx4AC74 Dual Positive-Edge-Triggered D-type Flip-Flops with Clear and Preset
1 Features
• 2V to 6V VCC operation • Inputs accept voltages to 6V • Max tpd of 10 ns at 5V
2 Description
The ’AC74 devices are dual positive-edge-triggered D-type flip-flops.
Device Information
PART NUMBER
PACKAGE(1)
PACKAGE SIZE (2)
PW (TSSOP, 14)
5 mm × 6.4 mm
D (SOIC, 14)
8.65 mm × 6 mm
SNx4AC74
DB (SSOP, 14)
6.2 mm × 7.8 mm
N (PDIP, 14)
19.3 mm × 9.4 mm
NS (SOP, 14)
10.2 mm × 7.8 mm
BODY SIZE(3) 5 mm × 4.40 mm 8.65 mm × 3.9 mm 6.2 mm × 5.3 mm 19.3 mm × 6.35 mm 10.3 mm × 5.3 mm
(1) For more information, see Section 10. (2) The package size (length × width) is a nominal value and
includes pins, where applicable.
SN54AC74 Datasheet
