PDF AS7C4098A-10JI Data sheet ( Hoja de datos )

Número de pieza	AS7C4098A-10JI
Descripción	5.0V 256K x 16 CMOS SRAM
Fabricantes	Alliance Semiconductor
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No Preview Available ! February 2006 ® 5.0 V 256 K × 16 CMOS SRAM AS7C4098A Features • Pin compatible with AS7C4098 • Industrial and commercial temperature • Organization: 262,144 words × 16 bits • Center power and ground pins • High speed - 10/12/15/20 ns address access time - 5/6 ns output enable access time • Low power consumption: ACTIVE - 990mW/max @ 10 ns • Low power consumption: STANDBY - 55mW/max CMOS • Individual byte read/write controls Logic block diagram A0 A1 A2 A3 A4 A6 A7 A8 A12 A13 I/O1–I/O8 I/O9–I/O16 WE bIu/Offer 1024 × 256 × 16 Array (4,194,304) Control circuit Column decoder VCC GND UB OE LB CE • Easy memory expansion with CE, OE inputs • TTL- and CMOS-compatible, three-state I/O • 44-pin JEDEC standard packages - 400-mil SOJ - TSOP 2 • ESD protection ≥ 2000 volts • Latch-up current ≥ 200 mA Pin arrangement for SOJ and TSOP 2 44-pin (400 mil) SOJ TSOP2 A0 1 44 A1 2 43 A2 3 42 A3 4 41 A4 5 40 CE 6 39 I/O1 7 38 I/O2 8 37 I/O3 9 36 I/O4 10 35 GVNCDC I/O5 I/O6 11 12 13 14 34 33 32 31 I/O7 15 30 I/O8 16 29 WE 17 28 A5 18 27 A6 19 26 A7 20 25 A8 21 24 A9 22 23 A17 A16 A15 OE UB LB I/O16 I/O15 I/O14 I/O13 GND VI/OCC12 I/O11 I/O10 I/O9 NC A14 A13 A12 A11 A10 Selection guide Maximum address access time Maximum output enable access time Maximum operating current Maximum CMOS standby current –10 –12 –15 –20 Unit 10 12 15 20 ns 56 6 6 ns 180 160 140 120 mA 10 10 10 10 mA 2/21/06, v 1.2 Alliance Semiconductor P. 1 of 11 Copyright © Alliance Semiconductor. All rights reserved. 1 page AS7C4098A ® Read waveform 2 (CE, OE, UB, LB controlled)5,7,8 Address OE CE LB, UB DataOUT tOLZ tAA tOE tACE tCLZ tBLZ tBA tRC tOHZ tOH Data valid tCHZ tBHZ Write cycle (over the operating range)9 –10 Parameter Symbol Min Max Write cycle time tWC 10 – Chip enable (CE) to write end tCW 7 – Address setup to write end tAW 7 – Address setup time tAS 0 – Write pulse width (OE = High) tWP1 7 – Write pulse width (OE = Low) tWP2 10 – Write recovery time tWR 0 – Address hold from end of write tAH 0 – Data valid to write end tDW 5 – Data hold time tDH 0 – Write enable to output in High-Z tWZ 2 5 Output active from write end tOW 3 – Byte enable Low to write end tBW 7 – –12 Min Max 12 – 8– 8– 0– 8– 12 – 0– 0– 6 0– 26 3– 8– –15 Min Max 15 – 10 – 10 – 0– 10 – 15 – 0– 0– 7– 0– 27 3– 10 – –20 Min Max 20 – 12 – 12 – 0– 12 – 20 – 0– 0– 9– 0– 29 3– 12 – Unit Note ns ns ns ns ns ns ns ns ns ns 3, 4 ns 3, 4 ns 3, 4 ns 3, 4 2/21/06, v 1.2 Alliance Semiconductor P. 5 of 11 5 Page AS7C4098A ® ® Alliance Semiconductor Corporation 2575, Augustine Drive, Santa Clara, CA 95054 Tel: 408 - 855 - 4900 Fax: 408 - 855 - 4999 www.alsc.com Copyright © Alliance Semiconductor All Rights Reserved Part Number: AS7C4098A Document Version: v 1.2 © Copyright 2003 Alliance Semiconductor Corporation. All rights reserved. Our three-point logo, our name and Intelliwatt are trademarks or registered trademarks of Alliance. All other brand and product names may be the trademarks of their respective companies. Alliance reserves the right to make changes to this document and its products at any time without notice. Alliance assumes no responsibility for any errors that may appear in this document. The data contained herein represents Alliance's best data and/or estimates at the time of issuance. Alliance reserves the right to change or correct this data at any time, without notice. If the product described herein is under development, significant changes to these specifications are possible. The information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. Alliance does not assume any responsibility or liability arising out of the application or use of any product described herein, and disclaims any express or implied warranties related to the sale and/or use of Alliance products including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in Alliance's Terms and Conditions of Sale (which are available from Alliance). All sales of Alliance products are made exclusively according to Alliance's Terms and Conditions of Sale. The purchase of products from Alliance does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of Alliance or third parties. Alliance does not authorize its products for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result in significant injury to the user, and the inclusion of Alliance products in such life- supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. 11 Page

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