| Integrated Circuits |
|---|
| 74563 |
|---|
| Octal D-type transparent latch; 3-state; inverting |
| PDF datasheet |
| OE | 1 • | 20 | Vcc |
| D0 | 2 | 19 | Q 0 |
| D1 | 3 | 18 | Q 1 |
| D2 | 4 | 17 | Q 2 |
| D3 | 5 | 16 | Q 3 |
| D4 | 6 | 15 | Q 4 |
| D5 | 7 | 14 | Q 5 |
| D6 | 8 | 13 | Q 6 |
| D7 | 9 | 12 | Q 7 |
| GND | 10 | 11 | LE |
| Pin | Symbol | Description |
|---|---|---|
| 1 | OE | output enable (active low) |
| 2 | D0 | data input |
| 3 | D1 | data input |
| 4 | D2 | data input |
| 5 | D3 | data input |
| 6 | D4 | data input |
| 7 | D5 | data input |
| 8 | D6 | data input |
| 9 | D7 | data input |
| 10 | GND | ground |
| 11 | LE | latch enable (active high) |
| 12 | Q 7 | latch output |
| 13 | Q 6 | latch output |
| 14 | Q 5 | latch output |
| 15 | Q 4 | latch output |
| 16 | Q 3 | latch output |
| 17 | Q 2 | latch output |
| 18 | Q 1 | latch output |
| 19 | Q 0 | latch output |
| 20 | Vcc | supply voltage |
| Specifications |
|---|
| (typical values under recommended operating conditions, unless specified) |
| Parameter | Value | Unit |
|---|---|---|
| Propagation delay, Dn , LE to Q n |
14 (74HC) 16 (74HCT) |
ns |
| Note |
|---|
| Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information. |
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