DM74191 National Semiconductor, DM74191 Datasheet
DM74191
Related parts for DM74191
DM74191 Summary of contents
Page 1
... DM54191 DM74191 Synchronous Up Down 4-Bit Binary Counter with Mode Control General Description This circuit is a synchronous reversible up down counter The 191 is a 4-bit binary counter Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change simultaneously when so instructed ...
Page 2
... I Others V Max Enable Others V Max DM54 (Note 2) DM74 Max DM54 e CC (Note 3) DM74 2 DM74191 Units Min Nom Max MHz ...
Page 3
Switching Characteristics Symbol Parameter f Maximum Clock Frequency MAX t Propagation Delay Time PLH Low to High Level Output t Propagation Delay Time PHL High to Low Level Output t Propagation Delay Time PLH Low to High Level Output t ...
Page 4
Logic Diagram 191 Binary Counter TL F 6562– Pin (16) V Pin (8) GND ...
Page 5
Timing Diagrams Typical Load Count and Inhibit Sequences Physical Dimensions inches (millimeters) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 54191DMQB or DM54191J 191 Decade Counter NS Package Number J16A 6562– 3 ...
Page 6
... Fran ais Tel ( Italiano National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Order Number DM74191N NS Package Number N16E NS Package Number W16A ...