PDF AS6WA5128 Data sheet ( Hoja de datos )

Número de pieza	AS6WA5128
Descripción	low-power CMOS SRAM
Fabricantes	Alliance Semiconductor
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No Preview Available ! www.DataSheet4U.com October 2000 AS6WA5128 ® 3.0V to 3.6V 512K × 8 Intelliwatt™ low-power CMOS SRAM Features • AS6WA5128 • Intelliwatt™ active power circuitry • Industrial and commercial temperature ranges available • Organization: 524,288 words × 8 bits • 3.0V to 3.6V at 55 ns • Low power consumption: ACTIVE - 144 mW at 3.6V and 55 ns • Low power consumption: STANDBY - 72 µW max at 3.6V • 1.2V data retention • Equal access and cycle times • Easy memory expansion with CS, OE inputs • Smallest footprint packages - 36(48)-ball FBGA - 32-pin TSOP I and TSOP II packages are available on Alliance AS6UB5128 product family (available January 2001) • ESD protection ≥ 2000 volts • Latch-up current ≥ 200 mA Logic block diagram VCC GND Input buffer A0 A1 A2 A3 512K × 8 A4 Array A5 A6 (4,194,304) A7 A8 Column decoder Control circuit I/O8 I/O1 WE OE CS 36(48)-CSP BGA Package (shading indicates no ball) 123456 A A0 A1 NC A3 A6 A8 B I/O5 A2 WE A4 A7 I/O1 C I/O6 NC A5 I/O2 D VSS VCC E VCC VSS F I/O7 A18 A17 I/O3 G I/O8 OE CS A16 A15 I/O4 H A9 A10 A11 A12 A13 A14 Selection guide Product AS6WA5128 Min (V) 3.0 VCC Range Typ2 (V) 3.3 Max (V) 3.6 Speed (ns) 55 Power Dissipation Operating (ICC) Max (mA) Standby (ISB1) Max (µA) 2 20 10/6/00 ALLIANCE SEMICONDUCTOR 1 Copyright ©2000 Alliance Semiconductor. All rights reserved. 1 page Write cycle (over the operating range)11 Parameter Write cycle time Chip select to write end Address setup to write end Address setup time Write pulse width Address hold from end of write Data valid to write end Data hold time Write enable to output in high Z Output active from write end ® Symbol tWC tCW tAW tAS tWP tAH tDW tDH tWZ tOW Min 55 40 40 0 35 0 25 0 0 5 Max – – – – – – – – 20 – Write waveform 1 (WE controlled)10,11 Address tWC tAW WE tAS tWP DIN tWZ DOUT tAH tDW Data valid tDH tOW Write waveform 2 (CS controlled)10,11 tWC tAW Address tAS tCW CS tWP WE tWZ DIN DOUT tDW Data valid tAH tDH AS6WA5128 Unit Notes ns ns 12 ns ns 12 ns ns ns ns 4, 5 ns 4, 5 ns 4, 5 10/6/00 ALLIANCE SEMICONDUCTOR 5 5 Page

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Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
AS6WA5128	low-power CMOS SRAM	Alliance Semiconductor

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