Datasheet Details
| Part number | 7490 |
|---|---|
| Manufacturer | National Semiconductor (Texas Instruments) |
| File Size | 137.24 KB |
| Description | Decade and Binary Counter |
| Datasheet |
 7490 Datasheet
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General Description
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 90A and divideby-eight for the 93A
All of these counters have a gated zero reset
Key Features
- Y Typical power dissipation 90A 145 mW 93A 130 mW Y Count frequency 42 MHz Connection Diagrams Dual-In-Line Package TL F 6533.
- 1 Order Number DM5490J DM5490W or DM7490AN See NS Package Number J14A N14A or W14B Dual-In-Line Package Order Number DM7493AN See NS Package Number N14A TL F 6533.
- 2 C1995 National Semiconductor Corporation TL F 6533 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact.