| Q1 | 1 • | 16 | Vcc |
| Q2 | 2 | 15 | Q0 |
| Q3 | 3 | 14 | OE |
| Q4 | 4 | 13 | CPR |
| Q5 | 5 | 12 | CE |
| Q6 | 6 | 11 | CPC |
| Q7 | 7 | 10 | MRC |
| GND | 8 | 9 | RCO |
| Pin | Symbol | Description |
|---|---|---|
| 1 | Q1 | parallel data output |
| 2 | Q2 | parallel data output |
| 3 | Q3 | parallel data output |
| 4 | Q4 | parallel data output |
| 5 | Q5 | parallel data output |
| 6 | Q6 | parallel data output |
| 7 | Q7 | parallel data output |
| 8 | GND | ground |
| 9 | RCO | ripple carry output (active low) |
| 10 | MRC | master reset (active low) |
| 11 | CPC | counter clock input (active high) |
| 12 | CE | count enable (active low) |
| 13 | CPR | register clock input (active high) |
| 14 | OE | output enable (active low) |
| 15 | Q0 | parallel data output |
| 16 | Vcc | supply voltage |
| Parameter | Value | Unit |
|---|---|---|
| Propagation delay, CPR to RCO | 19 (74HC) | ns |
| Propagation delay, CPR to Qn | 18 (74HC) | ns |
| Maximum frequency, CPC and CPR | 52 (74HC) | MHz |
Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.