GS76024AB 8, 10, 12 ns BGA 256K x 24 3.3 V V DD Commercial Temp 6Mb Asynchronous SRAM Center V and V Industrial Temp DD SS Features 119-bump Ball Grid Array Package Fast access time: 8, 10, 12 ns CMOS low power operation: 260/210/180 mA at minimum cycle time Single 3.3 V 0.3V power supply All inputs and outputs are TTL-compatible Fully static operation Industrial Temperature Option: 40 to 85C Package B: 14 mm x 22 mm, 119-bump, 1.27 mm pitch BGA GB: RoHS-compliant 119-bump BGA available Description The GS76024A is a high speed CMOS static RAM organized as 262,144 words by 24 bits. Static design eliminates the need for external clocks or timing strobes. Operating on a single 3.3 V power supply and all inputs and outputs are TTL- compatible. The GS76024A is available in a 119-bump BGA package. Block Diagram A0 Row Memory Array Decoder Address Input A17 Column Decoder CE I/O Buffer Control WE OE DQ1 DQ24 Pin Descriptions Symbol Description Symbol Description A0 to A17 Address input DQ1 to DQ24 Data input/output WE Write enable input OE Output enable input CE Chip enable input V V +3.3V power supply Ground DD SS Rev: 1.02a 4/2011 1/12 2003, GSI Technology Specifications cited are subject to change without notice. For latest documentation see GS76024AB 119-bump, 1.27 mm Pitch BGA Pad OutTop View (Package B) 1234567 ANCA3 A2 A16 A1 A0 NC BNCA7 A6 CE A5 A4 NC V , V , DD SS CDQ13 NC A17 NC DQ12 NC NC V V V V V DDQ14 DQ11 DD SS SS SS DD V V V EDQ15 NC NC DQ10 DD SS DD V V V V V FDQ16 DQ9 DD SS SS SS DD V V V GDQ17 NC NC DQ8 DD SS DD V V V V V HDQ18 DQ7 DD SS SS SS DD V V V V V V J VSS DD SS DD SS DD DD V V V V V KDQ19 DQ6 DD SS SS SS DD V V V LDQ20 NC NC DQ5 DD SS DD V V V V V MDQ21 DQ4 DD SS SS SS DD V V V NDQ22 NC NC DQ3 DD SS DD V V V V V PDQ23 DQ2 DD SS SS SS DD RDQ24 NC NC NC NC NC DQ1 TNCA11 A10 WE A9 A8 NC UNCA15 A14 OE A13 A12 NC Note: Bumps 3C and 5C are actually NCs but should be wired C3 = V and C5 = V to assure compatibility with future versions. DD SS Rev: 1.02a 4/2011 2/12 2003, GSI Technology Specifications cited are subject to change without notice. For latest documentation see