MFG:TI Package Cooled:CDIP D/C:456
MFG: TI
Package Cooled: CDIP
D/C: 456
Description: The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 is an UP/DOWN MODULO-16 ...
The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 is an UP/DOWN MODULO-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode the circuits operate synchronously. The outputs change state synchronous with the LOW-to-HIGH transitions on the clock inputs.
Separate Terminal Count Up and Terminal Count Down outputs are provided which are used as the clocks for a subsequent stages without extra logic, thus simplifying multistage counter designs. Individual preset inputs allow the circuits to be used as programmable counters. Both the Parallel Load (PL) and the Master Reset (MR) inputs asynchronously override the clocks.
| Symbol | Parameter | Min | Typ | Max | Unit | |
| VCC | Supply Voltage | 54 74 |
4.5 4.75 |
5.0 5.0 |
5.5 5.25 |
V |
| TA | Operating Ambient Temperature Range | 54 74 |
55 0 |
25 25 |
125 70 |
°C |
| IOH | Output Current - High | 54, 74 | 0.4 | mA | ||
| IOL | Output Current - Low | 54 74 |
4.0 8.0 |
mA |
SN54LS193
PDF/DataSheet Download
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