4-bit Synchronous Up/down Binary Counters
| Part number | 54HC191 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.20 MB |
| Description | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
| Datasheet | 54HC191-etcTI.pdf |
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/ordering information The ’HC191 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.
| Brand Logo | Part Number | Description | Other Manufacturers |
|---|---|---|---|
 |
54HC191 | Rad-hard high speed 2 to 6V CMOS logic | STMicroelectronics |
 |
54HC191 | Synchronous Binary Up/Down Counters | National Semiconductor |
 |
54HC191 | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS | SGS-THOMSON |
| Part Number | Description |
|---|---|
| 54HC193 | 4-BIT SYNCHRONOUS UP/DOWN COUNTERS |
| 54HC10 | Triple 3-Input NAND Gates |
| 54HC109 | Dual J-K Positive-Edge-Triggered Flip-Flops |
| 54HC11 | Triple 3-Input AND Gate |
| 54HC112 | Dual J-K Negative-Edge-Triggered Flip-Flops |
| 54HC125 | Quadruple Buffers |
| 54HC132 | Quadruple 2-Input NAND Gates |
| 54HC138 | 3-Line To 8-Line Decoders/Demultiplexers |
| 54HC139 | Dual 2-Line To 4-Line Decoders/Demultiplexers |
| 54HC14 | Hex Inverters |
