AT52BR3224AT-70CI datasheet(2/46 Pages) ATMEL

Part #	AT52BR3224AT-70CI

Description	32-megabit Flash 4-megabit/ 8-megabit SRAM Stack Memory

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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AT52BR3224A(T)/3228A(T)

3338B–STKD–6/03

Pin Configuration

AT52BR3224A(T)/

AT52BR3228A(T)

(Top View)

Pin Name

Function

A0 - A17

Flash/SRAM Common Address Input for 4M SRAM

A0 - A18

Flash/SRAM Common Address Input for 8M SRAM

A19 - A20

Flash Address Input

CE

Flash Chip Enable

OE

Flash Output Enable

WE

Flash Write Enablee

RESET

Flash Reset

RDY/BUSY

Flash READY/BUSY Output

VPP

Flash Power Supply for Accelerated Program/Erase Operations

VCC

Flash Power

GND

Flash Ground

I/O0 - I/O15

Data Inputs/Outputs

NC

No Connect

SLB

SRAM Lower Byte

SUB

SRAM Upper Byte

SVCC

SRAM Power

SGND

SRAM Ground

SCS1

SRAM Chip Select 1

SCS2

SRAM Chip Select 2

SWE

SRAM Write Enable

SOE

SRAM Output Enable

A

B

C

D

E

F

G

H

1

23456789

10

11

12

NC

A20

A16

WE

SGND

NC

SLB

A18

NC

A11

A8

RDY/BUSY

RES

VPP

SUB

A17

A5

A15

A10

A19

SOE

A7

A4

A14

A9

I/O11

A6

A0

A13

I/O15

I/O13

I/O12

I/O9

A3

CE

A12

SWE

I/O6

SCS2

I/O10

I/O8

A2

GND

I/O14

I/O4

SVCC

I/O2

I/O0

A1

OE

NC

I/O7

I/O5

VCC

I/O3

I/O1

SCS1

NC

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AT52BR3224AT-70CI Datasheet(PDF) 2 Page - ATMEL Corporation

AT52BR3224AT-70CI Datasheet(HTML) 2 Page - ATMEL Corporation

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