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AS7C4098

Alliance Semiconductor
Part Number AS7C4098
Manufacturer Alliance Semiconductor
Description 5V/3.3V 256K x 16 CMOS SRAM
Published Oct 10, 2014
Detailed Description March 2002 ® AS7C4098 AS7C34098 5V/3.3V 256K × 16 CMOS SRAM Features • AS7C4098 (5V version) • AS7C34098 (3.3V version...
Datasheet PDF File AS7C4098 PDF File

AS7C4098
AS7C4098

Overview
March 2002 ® AS7C4098 AS7C34098 5V/3.
3V 256K × 16 CMOS SRAM Features • AS7C4098 (5V version) • AS7C34098 (3.
3V version) • 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 - 5/6/7/8 ns output enable access time • Low power consumption: STANDBY - 110 mW (AS7C4098)/max CMOS - 72 mW (AS7C34098)/max CMOS • Individual byte read/write controls • 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 - 48-ball FBGA 7 x 11 mm • Low power consumption: ACTIVE - 1375 mW (AS7C4098)/max @ 12 ns - 468 mW (AS7C34098)/max @ 12 ns • ESD protection ≥ 2000 volts • Latch-up current ≥ 200 mA Logic block diagram A0 A1 A2 A3 A4 A6 A7 A8 A12 A13 I/O1–I/O8 I/O9–I/O16 WE VCC 1024 × 256 × 16 Array (4,194,304) GND Pin arrangement for SOJ and TSOP 2 44-pin (400 mil) SOJ TSOP2 Row Decoder I/O buffer Control circuit Column decoder A5 A9 A10 A11 A14 A15 A16 A17 UB OE LB CE A0 A1 A2 A3 A4 CE I/O1 I/O2 I/O3 I/O4 VCC GND I/O5 I/O6 I/O7 I/O8 WE A5 A6 A7 A8 A9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 A17 A16 A15 OE UB LB I/O16 I/O15 I/O14 I/O13 GND VCC I/O12 I/O11 I/O10 I/O9 NC A14 A13 A12 A11 A10 Selection guide –10 Maximum address access time Maximum output enable access time Maximum operating current Maximum CMOS standby current AS7C4098 AS7C34098 AS7C4098 AS7C34098 10 5 – 160 – 20 –12 12 6 250 130 20 20 –15 15 7 220 110 20 20 –20 20 9 180 100 20 20 Unit ns ns mA mA mA mA 5/23/02; v.
1.
8 Alliance Semiconductor P.
1 of 12 Copyright © Alliance Semiconductor.
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AS7C4098 AS7C34098 ® Ball arrangement BGA 48-BGA Ball-Grid-Array Package A B C D E F G H 1 LB I/O9 I/O10 VSS VCC I/O15 I/O16 NC 2 OE UB I/O11 I/O12 I/O13 I/O14 NC A8 3 A0 A3 A5 A17 NC A14 A12 A9 4 A1 A4 A6 A7 A16 A15 A13 A10 5 A2 CE ...


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