The Harris CD74HC393 and CD74HCT393 are 4-stage ripple-carry binary counters. Al counter stages are masterslave flip-flops. The state of the stage advances one count on the negative transition of each clock pulse; a high voltage level on the MR line resets all counters to their zero state. All inputs and outputs are buffered. September 1997 Features • Fully .
• Fully Static Operation
• Buffered Inputs
• Common Reset
• Negative-Edge Clocking
• Typical fMAX = 60 MHz at VCC = 5V, CL = 15pF, TA = 25oC
• Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30%of VCC at VCC = 5V
• HCT Types - 4.5V to 5.5V Operation - Dir.
• Fully Static Operation • Buffered Inputs • Common Reset • Negative-Edge Clocking • Fanout (Over Temperature Range) - .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | CD74HC393 |
Texas Instruments |
Dual 4-Stage Binary Counter | |
2 | CD74HC393 |
Harris |
Dual 4-Stage Binary Counter | |
3 | CD74HC393M |
Harris Corporation |
High Speed CMOS Logic Dual 4 -Stage Binary Counter | |
4 | CD74HC393M |
Texas Instruments |
Dual 4-Stage Binary Counter | |
5 | CD74HC393M96 |
Texas Instruments |
Dual 4-Stage Binary Counter | |
6 | CD74HC393MT |
Texas Instruments |
Dual 4-Stage Binary Counter | |
7 | CD74HC390 |
Texas Instruments |
Dual Decade Ripple Counter | |
8 | CD74HC390E |
Texas Instruments |
Dual Decade Ripple Counter | |
9 | CD74HC390M |
Texas Instruments |
Dual Decade Ripple Counter | |
10 | CD74HC390M96 |
Texas Instruments |
Dual Decade Ripple Counter | |
11 | CD74HC390MT |
Texas Instruments |
Dual Decade Ripple Counter | |
12 | CD74HC30 |
Texas Instruments |
8-Input NAND Gate |