SCHS240D November 1998 – October 2024 CD54AC164 , CD54ACT164 , CD74AC164 , CD74ACT164
PRODUCTION DATA
Figure 3-1 CD54AC(T)164 J Package;
14-Pin CDIP; CD74AC(T)164 D, N, or PW Package; 14-Pin SOIC, PDIP, or TSSOP
(Top View)| PIN | TYPE1 | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| A | 1 | I | Gated serial input A |
| B | 2 | I | Gated serial input B |
| QA | 3 | O | Parallel output A |
| QB | 4 | O | Parallel output B |
| QC | 5 | O | Parallel output C |
| QD | 6 | O | Parallel output D |
| GND | 7 | G | Ground |
| CLK | 8 | I | Clock input, rising edge triggered |
| CLR | 9 | I | Asynchronous register clear input, active low |
| QE | 10 | O | Parallel output E |
| QF | 11 | O | Parallel output F |
| QG | 12 | O | Parallel output G |
| QH | 13 | O | Parallel output H |
| VCC | 14 | P | Positive supply |
| Thermal pad2 | — | The thermal pad can be connect to GND or left floating. Do not connect to any other signal or supply. | |