Part number:
DM74LS491
Manufacturer:
National Semiconductor
File Size:
136.79 KB
Description:
10-bit counter.
DM74LS491_NationalSemiconductor.pdf
Datasheet Details
Part number:
DM74LS491
Manufacturer:
National Semiconductor
File Size:
136.79 KB
Description:
10-bit counter.
DM74LS491, 10-Bit Counter
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
DM74LS491 Features
* Benefits Y Y Y Y Y CRT vertical and horizontal timing generation Bus-structured pinout 24-pin SKINNYDIP saves space TRI-STATE outputs drive bus lines Low current PNP inputs reduce loading Connection Diagram Top View Standard Test Load TL L 8332
* 2 TL L 8332
* 1 Order Number DM
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