SCHS290A December 1998 – March 2024 CD54AC374 , CD54ACT374 , CD74AC374 , CD74AC534 , CD74ACT374
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
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.
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 |
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
OE | 1 | I | Enable pin |
1Q | 2 | O | Output 1 |
1D | 3 | I | Input 1 |
2D | 4 | I | Input 2 |
2Q | 5 | O | Output 2 |
3Q | 6 | O | Output 3 |
3D | 7 | I | Input 3 |
4D | 8 | I | Input 4 |
4Q | 9 | O | Output 4 |
GND | 10 | – | Ground pin |
CLK | 11 | I | Clock pin |
5Q | 12 | O | Output 5 |
5D | 13 | I | Input 5 |
6D | 14 | I | Input 6 |
6Q | 15 | O | Output 6 |
7Q | 16 | O | Output 7 |
7D | 17 | I | Input 7 |
8D | 18 | I | Input 8 |
8Q | 19 | O | Output 8 |
VCC | 20 | – | Power pin |