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IS61LV256AL Datasheet

  • IS61LV256AL

  • 32K x 8 LOW VOLTAGE CMOS STATIC RAM

  • 13頁

  • ISSI   ISSI

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IS61LV256AL
32K x 8 LOW VOLTAGE
CMOS STATIC RAM
FEATURES
鈥?High-speed access times:
鈥?10 ns
鈥?Automatic power-down when chip is deselected
鈥?CMOS low power operation
鈥?60 碌W (typical) CMOS standby
鈥?65 mW (typical) operating
鈥?TTL compatible interface levels
鈥?Single 3.3V power supply
鈥?Fully static operation: no clock or refresh
required
鈥?Three-state outputs
鈥?Lead-free available
ISSI
OCTOBER 2006
廬
DESCRIPTION
The
ISSI
IS61LV256AL is a very high-speed, low power,
32,768-word by 8-bit static RAM. It is fabricated using
ISSI
's high-performance CMOS technology. This highly
reliable process coupled with innovative circuit design
techniques, yields access times as fast as 8 ns maximum.
When
CE
is HIGH (deselected), the device assumes a
standby mode at which the power dissipation is reduced to
150 碌W (typical) with CMOS input levels.
Easy memory expansion is provided by using an active
LOW Chip Enable (CE). The active LOW Write Enable
(WE) controls both writing and reading of the memory.
The IS61LV256AL is available in the JEDEC standard 28-
pin, 300-mil SOJ and the 450-mil TSOP (Type I) packages.
FUNCTIONAL BLOCK DIAGRAM
A0-A14
DECODER
32K X 8
MEMORY ARRAY
VDD
GND
I/O
DATA
CIRCUIT
I/O0-I/O7
COLUMN I/O
CE
OE
WE
CONTROL
CIRCUIT
Copyright 漏 2006 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability
arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any
published information and before placing orders for products.
Integrated Silicon Solution, Inc. 鈥?1-800-379-4774
Rev. B
10/23/06
1

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