IS62VV51216LL-70M Просмотр технического описания (PDF) - Integrated Silicon Solution

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IS62VV51216LL-70M

512K x 16 LOW VOLTAGE, 1.8V ULTRA LOW POWER CMOS STATIC RAM

Integrated Silicon Solution 

IS62VV51216LL

512K x 16 LOW VOLTAGE, 1.8V ULTRA

LOW POWER CMOS STATIC RAM

ISSI®

PRELIMINARY INFORMATION

DECEMBER 2000

FEATURES

• High-speed access time: 70, 85 ns

• CMOS low power operation

– 36 mW (typical) operating

– 9 µW (typical) CMOS standby

• TTL compatible interface levels

• Single 1.65V-1.95V VCC power supply

• Fully static operation: no clock or refresh

required

• Three state outputs

• Data control for upper and lower bytes

• Industrial temperature available

• Available in 48-pin mini BGA (7.2mm x 8.7mm)

DESCRIPTION

The ISSI IS62VV51216LL is a high-speed, 8M bit static

RAMs organized as 512K words by 16 bits. It is fabricated

using ISSI's high-performance CMOS technology. This

highly reliable process coupled with innovative circuit

design techniques, yields high-performance and low power

consumption devices.

For the IS62VV51216LL, when CS1 is HIGH (deselected)

or when CS2 is LOW (deselected) or when CS1 is LOW,

CS2 is HIGH and both LB and UB are HIGH, 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. 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 IS62VV51216LL is packaged in the JEDEC standard

48-pin mini BGA (7.2mm x 8.7mm).

FUNCTIONAL BLOCK DIAGRAM

A0-A18

DECODER

512K x 16

MEMORY ARRAY

VCC

GND

I/O0-I/O7

Lower Byte

I/O8-I/O15

Upper Byte

I/O

DATA

CIRCUIT

COLUMN I/O

CS2

CS1

OE

CONTROL

WE

CIRCUIT

UB

LB

This document contains PRELIMINARY INFORMATION data. ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the

best possible product. We assume no responsibility for any errors which may appear in this publication. © Copyright 2000, Integrated Silicon Solution, Inc.

Integrated Silicon Solution, Inc. — 1-800-379-4774

1

PRELIMINARY INFORMATION Rev. 00B

01/10/01

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