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DM74LS197 |
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| Part Number | DM74LS197 |
| Manufacturer | National Semiconductor |
| Description | The ’LS197 ripple counter contains divide-by-two and divide-by-eight sections which can be combined to form a modulo-16 binary counter State changes are initiated by the falling edge of the clock The ... |
| Features |
Y Y Y
High counting rates Typically 70 MHz Asynchronous preset Asynchronous master reset
Connection Diagram
Dual-In-Line Package
TL F 10180 – 1 Order Number DM74LS197M or DM74LS197N See NS Package Number M14A or N14A Mode Select Table Pin Names CP0 CP1 MR P0 – P3 PL Q0 Q1 – Q3 Description d 2 Section Clock Input Inputs MR L H H PL X L H CP X X K Response Qn Forced LOW Pn x Qn Count Up (Active Falling Edge) d 8 Section Clock Input (Active Falling Edge) Asynchronous Master Reset Input (Active LOW) Parallel Data Inputs Asynchronous Parallel Load Input (Active LOW) d 2 Section Output d 8 Se... |
| Document |
 DM74LS197 Data Sheet
PDF 117.40KB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | DM74LS190 |
National Semiconductor |
Synchronous 4-Bit Up/Down Counters |
|
| 2 | DM74LS191 |
National Semiconductor |
Synchronous 4-Bit Up/Down Counters |
|
| 3 | DM74LS191 |
Fairchild Semiconductor |
Synchronous 4-Bit Up/Down Counter |
|
| 4 | DM74LS192 |
National Semiconductor |
Up/Down Decade Counter |
|
| 5 | DM74LS193 |
Fairchild Semiconductor |
Synchronous 4-Bit Binary Counter |
|
| 6 | DM74LS194A |
National Semiconductor |
4-Bit Bidirectional Universal Shift Register |
|
Desde 2024. D4U Semiconductor.
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