Functional Description

The CY7C026A and CY7C036A are low-power CMOS 16K x 16/18 dual-port static RAMs. Various arbitration schemes are included on the devices 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.

Features

• True dual-ported memory cells that allow simultaneous access of the same memory location

• 16K x 16 organization (CY7C026A)

• 16K x 18 organization (CY7C036A)

• 0.35-micron CMOS for optimum speed/power

• High-speed access: 12[1]/15/20 ns

• Low operating power

— Active: ICC = 180 mA (typical)

— Standby: ISB3 = 0.05 mA (typical)

• Fully asynchronous operation

• Automatic power-down

• Expandable data bus to 32/36 bits or more using Master/Slave chip select when using more than one device

• On-chip arbitration logic

• Semaphores included to permit software handshaking between ports

• INT flags for port-to-port communication

• Separate upper-byte and lower-byte control

• Pin select for Master or Slave

• Commercial and Industrial temperature ranges

• Available in 100-Pin TQFP

• Pb-Free packages available