Datasheet Details
| Part number | DM74LS491 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 136.79 KB |
| Description | 10-Bit Counter |
| Datasheet |
 DM74LS491 Datasheet
|
|
|
General Description
The ten-bit counter can count up count down set and load 2 LSB’s 2 MSB’s and 6 middle bits high or low as a group All operations are synchronous with the clock SET overrides LOAD COUNT and HOLD LOAD overrides COUNT COUNT is conditional on CIN otherwise it holds All outputs are enabled when OE is low
Key Features
- Benefits Y Y Y Y Y CRT vertical and horizontal timing generation Bus-structured pinout 24-pin.