MM74C89 Datasheet and Specifications PDF

The MM74C89 is a 64-Bit 3-STATE Random Access Read/Write Memory.

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Part NumberMM74C89 Datasheet
ManufacturerFairchild Semiconductor
Overview The MM74C89 is a 16-word by 4-bit random access read/ write memory. Inputs to the memory consist of four address lines, four data input lines, a write enable line and a memory enable line. The four bi. s Wide supply voltage range: s Guaranteed noise margin: s High noise immunity: 3.0V to 15V 1.0V 0.45 VCC (typ.) s Low power TTL compatibility: fan out of 2 driving 74L s Low power consumption: s 3-STATE output Note: The timing is different than the DM7489 in that a positive to negative transition o.
Part NumberMM74C89 Datasheet
Description64-Bit TRI-STATE Random Access Read/Write Memory
ManufacturerNational Semiconductor
Overview The MM54C89 MM74C89 is a 16-word by 4-bit random access read write memory Inputs to the memory consist of four address lines four data input lines a write enable line and a memory enable line The four. Y Y Y Y Y Y Y Wide supply voltage range 3 0V to 15V Guaranteed noise margin 1 0V High noise immunity 0 45 VCC (typ ) Low power fan out of 2 TTL compatibility driving 74L Low power consumption 100 nW package (typ ) Fast access time 130 ns (typ ) at VCC e 10V TRI-STATE output Write Operation Inform.