DATA SHEET MOS INTEGRATED CIRCUIT µPD444012A-X 4M-BIT CMOS STATIC RAM 256K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION Description The µPD444012A-X is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM.
The µPD444012A-X has two chip enable pins (/CE1, CE2) to extend the capacity.
The µPD444012A-X is packed in 48-pin PLASTIC TSOP (I) (Normal bent).
Features • 262,144 words by 16 bits organization 5 5 • Fast access time: 50, 55, 70, 85, 100, 120 ns (MAX.
) • Byte data control: /LB (I/O1 - I/O8), /UB (I/O9 - I/O16) • Low voltage operation (B version: VCC = 2.
7 to 3.
6 V, C version: VCC = 2.
2 to 3.
6 V) • Low VCC data retention: 1.
0 V (MIN.
) • Operating ambient ...

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