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?? HC4040和?? HCT4040是14级纹波进位二进制计数器。所有计数器阶段都是主从触发器。级的状态在每个输入脉冲的负时钟转变上提前一个计数; MR线上的高电压电平将所有计数器重置为零状态。所有输入和输出都被缓冲。
Technology Family |
VCC (Min) (V) |
VCC (Max) (V) |
Bits (#) |
Voltage (Nom) (V) |
F @ Nom Voltage (Max) (Mhz) |
ICC @ Nom Voltage (Max) (mA) |
tpd @ Nom Voltage (Max) (ns) |
IOL (Max) (mA) |
Function |
Type |
Rating |
Operating Temperature Range (C) |
CD54HC4040 | CD74HC4040 |
---|---|
HC | HC |
2 | 2 |
6 | 6 |
12 | 12 |
3.3 5 | 3.3 5 |
28 | 28 |
0.08 | 0.08 |
30 | 30 |
5.2 | 5.2 |
Counter | Counter |
Binary | Binary |
Military | Catalog |
-55 to 125 | -55 to 125 |
无样片 |