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IS64LV51216 Datasheet(PDF) 1 Page - Integrated Silicon Solution, Inc

Part No. IS64LV51216
Description  512K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY
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Maker  ISSI [Integrated Silicon Solution, Inc]
Homepage  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS64LV51216 Datasheet(HTML) 1 Page - Integrated Silicon Solution, Inc

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Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
1
Rev. D
12/06/05
ISSI®
Copyright © 2005 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.
IS61LV51216
IS64LV51216
FEATURES
• High-speed access time:
— 8, 10, and 12 ns
• CMOS low power operation
• Low stand-by power:
— Less than 5 mA (typ.) CMOS stand-by
• TTL compatible interface levels
• Single 3.3V power supply
• Fully static operation: no clock or refresh
required
• Three state outputs
• Data control for upper and lower bytes
• Industrial and Automotive temperatures available
• Lead-free available
512K x 16 HIGH SPEED ASYNCHRONOUS
CMOS STATIC RAM WITH 3.3V SUPPLY
DESCRIPTION
The
ISSI IS61/64LV51216 is a high-speed, 8M-bit static
RAM organized as 525,288 words by 16 bits. It is fabricated
using
ISSI's high-performance CMOS technology. This
highly reliable process coupled with innovative circuit de-
sign techniques, yields high-performance and low power
consumption devices.
When
CE is HIGH (deselected), the device assumes a
standby mode at which the power dissipation can be
reduced down with CMOS input levels.
Easy memory expansion is provided by using Chip Enable
and Output Enable inputs,
CE and OE. The active LOW
Write Enable (
WE) controls both writing and reading of the
memory. A data byte allows Upper Byte (
UB) and Lower
Byte (
LB) access.
The IS61/64LV51216 is packaged in the JEDEC standard
44-pin TSOP Type II and 48-pin Mini BGA (9mm x 11mm).
FUNCTIONAL BLOCK DIAGRAM
DECEMBER 2005
A0-A18
CE
OE
WE
512K x 16
MEMORY ARRAY
DECODER
COLUMN I/O
CONTROL
CIRCUIT
GND
VDD
I/O
DATA
CIRCUIT
I/O0-I/O7
Lower Byte
I/O8-I/O15
Upper Byte
UB
LB


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