Part number:
74LS90
Manufacturer:
National Semiconductor
File Size:
131.84 KB
Description:
Decade and binary counters.
74LS90_NationalSemiconductor.pdf
Datasheet Details
Part number:
74LS90
Manufacturer:
National Semiconductor
File Size:
131.84 KB
Description:
Decade and binary counters.
74LS90, Decade and Binary Counters
Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the ’LS90 and divideby-eight for the ’LS93 All of these counters have a gated zero re
74LS90 Features
* Y Y Typical power dissipation 45 mW Count frequency 42 MHz Connection Diagrams (Dual-In-Line Packages) TL F 6381
* 1 Order Number DM74LS90M or DM74LS90N See NS Package Number M14A or N14A TL F 6381
* 2 Order Number DM74LS93M or DM74LS93N See NS Package Number M14A or N14A C199
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