74HC193 is a Presettable synchronous 4-bit binary up/down counter
Specification
- Propagation Delay Time: 215 ns at 2V / 37 ns at 6V
- Output Current: 5.2 mA at 6 V
- No. of Inputs: 4
- No. of Pins: 16
- Operating Temperature Range: -40 C to +125 C.
- Supply Voltage Range: 2V to 6V
- Package: DIP-16
Sympol |
pin |
Description |
D0 |
15 |
data input 0 |
D1 |
1 |
data input 1 |
D2 |
10 |
data input 2 |
D3 |
9 |
data input 3 |
Q0 |
3 |
flip-flop output 0 |
Q-1 |
2 |
flip-flop output 1 |
Q2 |
6 |
flip-flop output 2 |
Q3 |
7 |
flip-flop output 3 |
CPD |
4 |
count down clock input[1] |
CPU |
5 |
count up clock input[1] |
GND |
8 |
ground (0 V) PL 11 asynchronous parallel load input (active LOW |
TCU |
12 |
terminal count up (carry) output (active LOW) |
TCD |
13 |
asynchronous master reset input (active HIGH) |
MR |
14 |
asynchronous master reset input (active HIGH) |
Vcc |
16 |
supply voltage |
For 74HC193 Datasheet, Click here