| Model Number |
| CD74HCT390EX |
CD54HCT4040F3 |
| Model Name |
| HARRIS CD74HCT390EX |
HARRIS CD54HCT4040F3 |
| Category |
| Counters / Dividers |
Counters / Dividers |
| Brand |
| HARRIS |
HARRIS |
| Description |
| 下降沿 4.5V~5.5V 27MHz PDIP-16 Counters / Dividers ROHS |
下降沿 4.5V~5.5V 25MHz CDIP-16 Counters / Dividers ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.000 grams / 0.035274 oz |
1.000 grams / 0.035274 oz |
| Package / Case |
| PDIP-16 |
CDIP-16 |
| Package / Arrange |
| Bag-packed |
Bag-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Direction |
| 向上计数器 |
向上计数器;向下计数器 |
| Logic Type |
| 十进制计数器 |
Binary Counter |
| Trigger Type |
| 下降沿 |
下降沿 |
| Operating Temperature |
| -55℃~+125℃ |
-55℃~+125℃ |
| Timing mode |
| - |
- |
| Supply Voltage |
| 4.5V~5.5V |
4.5V~5.5V |
| Reset Style |
| Asynchronous |
Asynchronous |
| Count Rate |
| 27MHz |
25MHz |
