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MCM6343TS15 ,256K x 15 Bit 3.3 V Asynchronous Fast Static RAMBLOCK DIAGRAMDQ2 9 36 DQ13OUTPUTGHIGH BYTE OUTPUT ENABLEDQ3 10 35 DQ12ENABLEV 11 34 VBUFFER DD SSLO ..
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MCM6343TS12-MCM6343TS15-MCM6343YJ15
256K x 15 Bit 3.3 V Asynchronous Fast Static RAM
Product Preview
256K x 16 Bit 3.3 V Asynchronous
Fast Static RAMThe MCM6343 is a 4,194,304–bit static random access memory organized as
262,144 words of 16 bits. Static design eliminates the need for external clocks
or timing strobes.
The MCM6343 is equipped with chip enable (E), write enable (W), and output
enable (G) pins, allowing for greater system flexibility and eliminating bus con-
tention problems. Separate byte enable controls (LB and UB) allow individual
bytes to be written and read. LB controls the lower bits DQ0 to DQ7, while UB
controls the upper bits DQ8 to DQ15.
The MCM6343 is available in a 400 mil, 44–lead small–outline SOJ package
and a 44–lead TSOP Type II package. Single 3.3 V ± 0.3 V Power Supply Fast Access Time: 12/15 ns Equal Address and Chip Enable Access Time All Inputs and Outputs are TTL Compatible Data Byte Control Fully Static Operation Power Operation: 250/240/230 mA Maximum, Active AC Commercial and Standard Industrial Temperature Option: – 40 to + 85°C
BLOCK DIAGRAMLOW BYTE WRITE ENABLE
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SEMICONDUCTOR TECHNICAL DATA
