CDx4AC374, CDx4ACT374, CD74AC534 Octal D-Type Flip-Flops, 3-State Positive-Edge Triggered
1 Features
- SCR-Latch-up-resistant CMOS process and circuit design
- Speed of bipolar FAST*/AS/S with significantly reduced power consumption
- Balanced propagation delays
- AC types feature 1.5V to 5.5V operation and balanced noise immunity at 30% of the supply
- ± 24mA output drive current
- Fanout to 15 FAST* ICs
- Drives 50ohm transmission lines
*. FAST is a Registered Trademark of Fairchild
Semiconductor Corp.
2 Description
The eight flip-flops of the ’AC374 devices are D-type edge-triggered flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.
Device Information
| PART NUMBER | PACKAGE(1) | PACKAGE SIZE(2) | BODY SIZE(3) |
|---|---|---|---|
| CDx4AC/ACT374, CD74AC534 | DW (SOIC, 20) | 12.80mm × 10.3mm | 12.80mm × 7.50mm |
| N (PDIP, 20) | 24.33mm × 9.4mm | 24.33mm × 6.35mm |
(1) For more information, see Section 10.
(2) The package size (length × width)
is a nominal value and includes pins, where applicable.
(3) The body size (length × width) is
a nominal value and does not include pins.
Logic Diagram (Positive Logic)