SN7489 Overview
This 64-bit active-element memory is a monolithic, high-speed, transistor-transistor logic (TTL) array of 64 flip-flop memory cells organized in a matrix to provide 16 words of four bits each. Each of the 16 words is addressed in straight binary with full on-chip decoding. The buffered memory inputs consist of four address lines, four data inputs, a write enable, and a memory enable for controlling the entry and...
SN7489 Key Features
- i NOM absolute m a x i m u m ratings over operating free-air temperature range (