cy7c1069dv33£¬16Õ×루2m¡Á8£©¾²Ì¬RAM

¡¡¡¡The CY7C1069DV33 is a high performance CMOS Static RAM organized as 2£¬097£¬152 words by 8 bits. To write to the device£¬ take Chip Enables £¨CE1 LOW and CE2 HIGH£© and Write Enable £¨WE£© input LOW. Data on the eight I/O pins £¨I/O0 through I/O7£© is then written into the location specified on the address pins £¨A0 through A20£©¡£ To read from the device£¬ take Chip Enables £¨CE1 LOW and CE2 HIGH£© and Output Enable £¨OE£© LOW while forcing the Write Enable £¨WE£© HIGH. Under these conditions£¬ the contents of the memory location specified by the address pins will appear on the I/O pins. See Truth Table on page 10 for a complete description of Read and Write modes. The input and output pins £¨I/O0 through I/O7£© are placed in a high impedance state when the device is deselected £¨CE1 HIGH or CE2 LOW£©£¬ the outputs are disabled £¨OE HIGH£©£¬ or during a write operation £¨CE1 LOW£¬ CE2 HIGH£¬ and WE LOW£©¡£ The CY7C1069DV33 is available in a 54-pin TSOP II package with center power and ground £¨revolutionary£© pinout£¬ and a 48-ball very fine-pitch ball grid array £¨VFBGA£© package. For a complete list of related documentation£¬ click here.