DM74LS90 |
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| Part Number | DM74LS90 |
| Manufacturer | National |
| 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 divi... |
| Features |
s Typical power dissipation 45 mW s Count frequency 42 MHz
Ordering Code:
Order Number DM74LS90M DM74LS90N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Reset/Count Truth Table
Reset Inputs R0(1) H H X X L L X R0(2) H H X L X X L R9(1) L X H X L X L R9(2) X L H L X L X QD L L H Output QC L L L QB L L L QA L L H
COUNT COUNT ... |
| Datasheet |
 DM74LS90 Data Sheet
PDF 61.43KB |
| Distributor | Stock | Price | Buy |
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