| Part Number | MM74C90 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | The MM54C90 MM74C90 decade counter and the MM54C93 MM74C93 binary counter and complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors The 4-bit deca. Y Wide supply voltage range Y Guaranteed noise margin . |