PDF GS78132AB Data sheet ( Hoja de datos )

Número de pieza	GS78132AB
Descripción	256K x 32 8Mb Asynchronous SRAM
Fabricantes	GSI Technology
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No Preview Available ! www.DataSheet4U.com GS78132AB BGA Commercial Temp Industrial Temp 256K x 32 8Mb Asynchronous SRAM 8, 10, 12 ns 3.3 V VDD Features • Fast access time: 8, 10, 12 ns • CMOS low power operation: 260/210/180 mA at minimum cycle time • Single 3.3 V ± 0.3 V power supply • All inputs and outputs are TTL-compatible • Byte control • Fully static operation • Industrial Temperature Option: –40° to 85°C • 14 mm x 22 mm, 119-bump, 1.27 mm Pitch Ball Grid Array package • RoHS-compliant package available Description The GS78132A is a high speed CMOS Static RAM organized as 262,144-words by 32-bits. Static design eliminates the need for external clocks or timing strobes. The GS78132A operates on a single 3.3 V power supply, and all inputs and outputs are TTL-compatible. The GS78132A is available in a 14 mm x 22 mm BGA package. Pin Descriptions Symbol Description A0 to A17 Address input CE Chip enable input DQA1 TO DQA8 Byte A Data input/output DQB1 TO DQB8 Byte B Data input/output DQC1 TO DQC8 Byte C Data input/output DQD1 TO DQD8 Byte D Data input/output BA Byte A Byte enable input BB Byte B Byte enable input BC Byte C Byte enable input BD Byte D Byte enable input WE Write enable input OE Output enable input VDD +3.3 V power supply VSS Ground NC No connect Block Diagram A0 Row Decoder Address Input Buffer A17 CE WE OE Control Bx ____ Memory Array Column Decoder I/O Buffer DQ1 DQ32 Rev: 1.04 5/2006 1/12 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. © 2003, GSI Technology 1 page www.DataSheet4U.com GS78132AB Power Supply Currents Parameter Symbol Operating Supply Current IDD Standby Current Standby Current ISB1 ISB2 Test Conditions E ≤ VIL All other inputs ≥ VIH or ≤ VIL Min. cycle time IOUT = 0 mA E ≥ VIH All other inputs ≥ VIH or ≤VIL Min. cycle time E ≥ VDD - 0.2V All other inputs ≥ VDD - 0.2V or ≤ 0.2V 0 to 70°C 8 ns 10 ns 12 ns –40 to 85°C 8 ns 10 ns 12 ns 260 mA 210 mA 180 mA 280 mA 230 mA 200 mA 60 mA 50 mA 50 mA 80 mA 70 mA 70 mA 20 mA 40 mA AC Test Conditions Parameter Conditions Input high level Input low level Input rise time VIH = 2.4 V VIL = 0.4 V tr = 1 V/ns Input fall time tf = 1 V/ns Input reference level 1.4 V Output reference level 1.4 V Output load Fig. 1& 2 Notes: 1. Include scope and jig capacitance. 2. Test conditions as specified with output loading as shown in Fig. 1 unless otherwise noted 3. Output load 2 for tLZ, tHZ, tOLZ and tOHZ. Output Load 1 DQ 50Ω 30pF1 VT = 1.4 V Output Load 2 3.3 V DQ 589Ω 5pF1 434Ω Rev: 1.04 5/2006 5/12 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. © 2003, GSI Technology 5 Page www.DataSheet4U.com Ordering Information Part Number1 Package Access Time Temp. Range GS78132AB-8 GS78132AB-10 GS78132AB-12 GS78132AB-8I GS78132AB-10I GS78132AB-12I GS78132AB-15I GS78132AGB-8 GS78132AGB-10 GS78132AGB-12 GS78132AGB-8I GS78132AGB-10I GS78132AGB-12I GS78132AGB-15I 119-Bump BGA2 119-Bump BGA2 119-Bump BGA2 119-Bump BGA2 119-Bump BGA2 119-Bump BGA2 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 RoHS-compliant 119-Bump BGA2 8 ns 10 ns 12 ns 8 ns 10 ns 12 ns 15 ns 8 ns 10 ns 12 ns 8 ns 10 ns 12 ns 15 ns Commercial Commercial Commercial Industrial Industrial Industrial Industrial Commercial Commercial Commercial Industrial Industrial Industrial Industrial Notes: 1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. For example: GS78132AB-12T 2. Please see pages 9 and 10 for date code information for Variation 1 and Variation 2 of the 119-bump BGA. GS78132AB Status Rev: 1.04 5/2006 11/12 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. © 2003, GSI Technology 11 Page

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