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Home > ICs > Interface ICs > CY7C138-55JC Cypress Semiconductor IC 4K x 8/9 Dual-Port Static RAM

CY7C138-55JC Cypress Semiconductor IC 4K x 8/9 Dual-Port Static RAM

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Cy7C138-55Jc IC Cypress Semiconductor
Multi-Port Static RAM - Asynchronous CMOS 4K x 8/9

CY7C138-55JC Cypress Semiconductor IC 4K x 8/9 Dual-Port Static RAM

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Cypress Semiconductor CY7C138-55J Multi-Port Static RAM 4K x 8/9 Dual-Port Static RAM - Asynchronous

Cypress Semiconductor
Multi-Port Static RAM - Asynchronous
Number of Words=4k
Bits Per Word=8
t(acc) Max. (S)=55n
tW Min (S)=55n
Output Config=3-State
Nom. Supp (V)=5
Package=QCC-J
Pins=68
Military=N
Technology=CMOS

are included on the CY7C138/9 to handle situations when multiple processors access the same piece of data. Two ports are provided permitting independent, asynchronous access for reads and writes to any location in memory. The CY7C138/9 can be utilized as a standalone 8/9-bit dual-port static RAM or multiple devices can be combined in order to function as a 16/18-bit or wider master/slave dual-port static RAM. An M/S pin is provided for implementing 16/18-bit or wider memory applications without the need for separate master and slave devices or additional discrete logic. Appli- cation areas include interpro cessor/multiprocessor designs, communications status buffering, and dual-port video/graphics memory

Additional Information

CY7C138-55JC
Click here to Download Datasheet I
Click here to Download Datasheet II
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