Datasheet > IS61LV2568LL-15T

IS61LV2568LL-15T

更新时间： 2024-11-17 06:11:15

品牌	Logo	应用领域
美国芯成 - ISSI		静态存储器光电二极管
页数	文件大小	规格书
11页	55K
描述
Standard SRAM, 256KX8, 15ns, CMOS, PDSO44, TSOP2-44

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IS61LV2568LL-15T 数据手册

IS61LV2568L

IS61LV2568LL

ISSI

256K x 8 HIGH-SPEED CMOS STATIC RAM

PRELIMINARYINFORMATION

SEPTEMBER2002

FEATURES

• High-speed access time:

IS61LV2568L: 8, 10 ns

IS61LV2568LL: 12, 15 ns

• Operating Current:

• Packages available:

– 36-pin 400-mil SOJ

– 44-pin TSOP (Type II)

– 36-ball mini BGA (6mm x 8mm)

IS61LV2568L: 50mA (typ.)

IS61LV2568LL: 25mA (typ.)

• Standby Current:

DESCRIPTION

The ISSI IS61LV2568L/IS61LV2568LL is a very high-

speed, low power, 262,144-word by 8-bit CMOS static

RAM. The IS61LV2568L/IS61LV2568LL is fabricated us-

ingISSI'shigh-performanceCMOStechnology.Thishighly

reliable process coupled with innovative circuit design

techniques, yields higher performance and low power

consumption devices.

IS61LV2568L: 500µA (typ.)

IS61LV2568LL: 250µA(typ.)

• Multiple center power and ground pins for

greater noise immunity

• Easy memory expansion with CE and OE

When CE is HIGH (deselected), the device assumes a

standby mode at which the power dissipation can be

reduced down to 36mW (max.) with CMOS input levels.

options

• CE power-down

• TTL compatible inputs and outputs

• Single 3.3V power supply

The S61LV2568L/IS61LV2568LL operates from a single

3.3V power supply and all inputs are TTL-compatible.

TheS61LV2568L/IS61LV2568LL isavailablein36-pin400-

milSOJ,44-pinTSOP(TypeII),and36-ballminiBGA(6mm

x 8mm) packages.

FUNCTIONAL BLOCK DIAGRAM

256K X 8

MEMORY ARRAY

A0-A17

DECODER

GND

I/O

DATA

CIRCUIT

COLUMN I/O

I/O0-I/O7

CONTROL

CIRCUIT

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. — www.issi.com — 1-800-379-4774

Rev. 00D

09/12/02

12 3 4 5 6 7...11

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