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DM74LS190 - Synchronous 4-Bit Up/Down Counters

DM74LS190 Description

DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronous 4-Bit Up Down Counters with Mode Control May 1989 DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchr.
These circuits are synchronous reversible up down counters The LS191 is a 4-bit binary counter and the LS190 is a BCD counter Synchronous operation is.

DM74LS190 Applications

* Y Average propagation delay 20 ns Y Typical clock frequency 25 MHz Y Typical power dissipation 100 mW Connection Diagram Dual-In-Line-Package TL F 6405-1 Order Number DM54LS190J DM54LS191J DM54LS190W DM54LS191W DM74LS190M DM74LS191M DM74LS190N or DM74LS191N See NS Package Number J16A M16A N16A or

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Datasheet Details

Part number
DM74LS190
Manufacturer
National Semiconductor
File Size
125.07 KB
Datasheet
DM74LS190-NationalSemiconductor.pdf
Description
Synchronous 4-Bit Up/Down Counters

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Synchronous 4-Bit Down Counters National Semiconductor
National Semiconductor DM74LS190-like datasheet