| Part Number | 74F191 |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | The ’F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting The preset feature allows the ’F191 to be used in programmable dividers The Count Enable i. Y Y Y Y High-Speed 125 MHz typical count frequency Synchronous counting Asynchronous parallel load Cascadable Commercial 74F191PC Military Package Number N16E Package Description 16-Lead (0 300 Wide) Molded Dual-In-Line 16-Lead Ceramic Dual-In-Line 16-Lead (0 150 Wide) Molded Small Outline JEDE. |
74F191 Datasheet
The 74F191 is a Up/Down Binary Counter.
| Part Number | 74F191 |
|---|---|
| Description | Up/down binary counter |
| Manufacturer | Philips Semiconductors |
| Overview |
The 74F191 is a 4-bit binary counter. It contains four edge-triggered master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-.
* High speed *125MHz typical fMAX * Synchronous, reversible counting * 4-Bit binary * Asynchronous parallel load capability * Cascadable without external logic * Single up/down control input DESCRIPTION The 74F191 is a 4-bit binary counter. It contains four edge-triggered master/slave flip-flops wi. |
| Part Number | 74F191 |
|---|---|
| Description | Up/Down Binary Counter |
| Manufacturer | Fairchild Semiconductor |
| Overview |
The 74F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting. The preset feature allows the 74F191 to be used in programmable dividers. The Count Enab.
s High-Speed *125 MHz typical count frequency s Synchronous counting s Asynchronous parallel load s Cascadable Ordering Code: Order Number 74F191SC 74F191SJ 74F191PC Package Number M16A M16D N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 16-Lead . |