AT52BR1672T 데이터 시트보기 (PDF) - Atmel Corporation

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AT52BR1672T

16-megabit Flash and 2-megabit/ 4-megabit SRAM Stack Memory

Atmel Corporation 

CBGA Top View

12 3

4

5

6

7

8

9 10 11 12

A

NC NC

NC

A11

A15

A14

A13

A12 GND

NC

NC NC

B

A16

A8

A10

A9

I/O15 SWE I/O14 I/O7

C

WE RDY BUSY

I/O13 I/O6

I/O4

I/O5

D

SGND RESET

I/O12 SCS2 SVcc Vcc

E

NC

Vpp

A19 I/O11

I/O10 I/O2

I/O3

F

SLB

SUB

SOE

I/O9

I/O8

I/O0

I/O1

G

A18

A17

A7

A6

A3

A2

A1

SCS1

H

NC NC

NC

A5

A4

A0

CE

GND

OE

NC

NC NC

Pin

Configurations

Pin Name

A0 - A16

A0 - A17

A18 - A19

CE

OE/SOE

WE/SWE

VCC

VPP

I/O0-I/O15

SCS1, SCS2

RDY/BUSY

SVCC

GND/SGND

SUB

SLB

NC

RESET

Function

Flash/SRAM Common Address Input for 2M SRAM

Flash/SRAM Common Address Input for 4M SRAM

Flash Address Input

Flash Chip Enable

Flash/SRAM, Output Enable

Flash/SRAM, Write Enable

Flash Power Supply

Optional Flash Power Supply for Faster Program/Erase Operations

Data Inputs/Outputs

SRAM Chip Select

Flash Ready/Busy Output

SRAM Power Supply

Flash/SRAM GND

SRAM Upper Byte

SRAM Lower Byte

No Connect

Flash Reset

2 AT52BR1672(T)/1674(T)

2604B–STKD–09/02

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