CY7C140

CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 1K x 8 Dual-Port Static RAM Features ■ True dual-ported memory cells, which allow simultaneous reads of the same memory location ■ 1K x 8 organization ■ 0.65 micron CMOS for optimum speed and power ■ High speed access: 15 ns ■ Low operating power: ICC = 110 mA (maximum) ■ Fully asynchronous operation ■ Automatic power down ■ Master CY7C130/130A/CY7C131/131A easily expands data bus width to 16 or more bits using slave CY7C140/CY7C141 ■ BUSY output flag on CY7C130/130A/CY7C131/131A; BUSY input on CY7C140/CY7C141 ■ INT flag for port-to-port communication ■ Available in 48-pin DIP (CY7C130/130A/140), 52-pin PLCC, 52-pin TQFP ■ Pb-free packages available Functional Description The CY7C130/130A/CY7C131/131A/CY7C140[1] and CY7C141 are high speed CMOS 1K by 8 dual-port static RAMs. Two ports are provided permitting independent access to any location in memory. The CY7C130/130A/ CY7C131/131A can be used as either a s...