3.3V 32K / 64K X 16/18双端口静态RAM 3.3V 32K/64K x 16/18 Dual-Port Static RAM
Features
■ True Dual-Ported memory cells which allow simultaneous access of the same memory location
■ 32K x 16 organization CY7C027V/027VN/027AV [1]
■ 64K x 16 organization CY7C028V
■ 32K x 18 organization CY7C037V/037AV[2]
■ 64K x 18 organization CY7C038V
■ 0.35 micron CMOS for optimum speed and power
■ High speed access: 15, 20, and 25 ns
■ Low operating power
■ Active: ICC = 115 mA typical
■ Standby: ISB3 = 10 μA 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 flag for port-to-port communication
■ Separate upper-byte and lower-byte control
■ Dual chip enables
■ Pin select for Master or Slave
■ Commercial and Industrial temperature ranges
■ 100-pin Pb-free TQFP and 100-pin TQFP