82S112
DESCRIPTION
The 82S12/112 is a Schottky TTL 32 bit multiport memory organized in 8 words of 4 bits each. The device is ideally suited for high speed accumulators and buffer memories.
Stored data is addressed through 2 independent sets of 3-input decoders, and read out when the corresponding output enable line is low. Two separate word locations can, therefore, be read at the same time by enabling both the A and 8 output drivers. In addition, data can be read and written at the same time by utilizing the "A" address to specify the location of the word to be written, and the "8" address to specify the word to be read.
The 82S12/112 can be used in larger memory arrays since it includes all the control logic required to disable the chip and the outputs are open-collector devices suitable for "Wire-DRing."
FEATURES
- LOW CURRENT INPUT BUFFERS (-25p A TYPICAL)
- SEPARATE INPUT DECODERS FOR EACH WORD
- SEPARATE OUTPUT ENABLE LINES FOR EACH
WORD
- OPEN COLLECTOR (82S12) OR TRI-8TATE...
