IS61LF25636A-6.5B3 datasheet(6/32 Pages) ISSI

Part #	IS61LF25636A-6.5B3

Description	256K x 36, 512K x 18 9 Mb SYNCHRONOUS FLOW-THROUGH STATIC RAM

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Manufacturer	ISSI [Integrated Silicon Solution, Inc]

Direct Link	http://www.issi.com

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

Rev. A

05/04/05

ISSI®

IS61LF25636A IS61LF51218A IS61VF25636A IS61VF51218A

PIN DESCRIPTIONS

165 PBGA PACKAGE PIN CONFIGURATION

256K X 36 (TOP VIEW)

Note: * A0 and A1 are the two least significant bits (LSB) of the address field and set the internal burst counter if burst is desired.

12345

6

7

8

9

10

11

A

NC

A

CE

BWc

BWb

CE2

BWE

ADSC

ADV

ANC

B

NC

A

CE2

BWd

BWa

CLK

GW

OE

ADSP

ANC

C

DQPc

NC

VDDQ

Vss

VDDQ

NC

DQPb

D

DQc

VDDQ

VDD

Vss

VDD

VDDQ

DQb

E

DQc

VDDQ

VDD

Vss

VDD

VDDQ

DQb

F

DQc

VDDQ

VDD

Vss

VDD

VDDQ

DQb

G

DQc

VDDQ

VDD

Vss

VDD

VDDQ

DQb

H

NC

Vss

NC

VDD

Vss

VDD

NC

ZZ

J

DQd

VDDQ

VDD

Vss

VDD

VDDQ

DQa

K

DQd

VDDQ

VDD

Vss

VDD

VDDQ

DQa

L

DQd

VDDQ

VDD

Vss

VDD

VDDQ

DQa

M

DQd

VDDQ

VDD

Vss

VDD

VDDQ

DQa

N

DQPd

NC

VDDQ

Vss

NC

Vss

VDDQ

NC

DQPa

P

NC

A

TDI

A1*

TDO

A

R

MODE

NC

A

TMS

A0*

TCK

A

Symbol

Pin Name

A

Address Inputs

A0, A1

Synchronous Burst Address Inputs

ADV

Synchronous Burst Address

Advance

ADSP

Address Status Processor

ADSC

Address Status Controller

GW

Global Write Enable

CLK

Synchronous Clock

CE, CE2, CE2

Synchronous Chip Select

BWx (x=a,b,c,d) Synchronous Byte Write

Controls

Symbol

Pin Name

BWE

Byte Write Enable

OE

Output Enable

ZZ

Power Sleep Mode

MODE

Burst Sequence Selection

TCK, TDO

JTAG Pins

TMS, TDI

NC

No Connect

DQx

Data Inputs/Outputs

DQPx

Data Inputs/Outputs

VDD

3.3V/2.5V Power Supply

VDDQ

Isolated Output Power Supply

3.3V

/2.5V

Vss

Ground

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