74LS189 Datasheet – 64-Bit Random Access Memory – TI

Part Number : 74LS189

Description : 64-BIT RANDOM ACCESS MEMORY

Package : DIP 16 Pin

Manufactures : Fairchild, TI

Image

74ls189-random-access-memory
Description

The 74LS189 is a high speed 64-bit RAM orgainized as a 16-word by 4-bit array. Address inputs are buffered to minimize loading and are fully decoded on-chip. The outputs are 3-state and are in the high impedance state whenever the Chip select (CS) input is HIGH. The outputs are active only in the Read mode and the output data is the complement of the stored data.

Pinout

74ls189-datasheet-pinout

Features

1. 3-State Ouputs For Data BUS Applications

2. Buffered Inputs Minimize Loading

3. Address Decoding ON-Chip

4. Diode Clamped Inputs Minimize Ringing

 

 

74LS189 Datasheet