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8-bit Interface: 20 MHz Maximum Clock Frequency

Page Program

鈥?16,384 Pages (1,056 Bytes/Page) Main Memory

Sector Erase Architecture

鈥?Sixty-three 270,336-byte Sectors

鈥?One 261,888-byte Sector

鈥?One 8,488-byte Sector

Two 1056-byte SRAM Data Buffers 鈥?Allows Receiving of Data

while Reprogramming the Flash Array

Continuous Read Capability through Entire Array

鈥?Ideal for Code Shadowing Applications

Low-power Dissipation

鈥?10 mA Active Read Current Typical 鈥?Serial Interface

鈥?12 mA Active Read Current Typical 鈥?8-bit Interface

鈥?15 碌A(chǔ) CMOS Standby Current Typical

Hardware Data Protection

Security: 128-byte Security Register

鈥?64-byte User Programmable Space

鈥?Unique 64-byte Device Identifier

JEDEC Standard Manufacturer and Device ID Read

100 Program/Erase Cycles Per Sector Minimum

Data Retention 鈥?10 Years

Commercial Temperature Range

鈥?/div>

128-megabit

2.7-volt

Dual-interface

Code Shadow

DataFlash

廬

AT45CS1282

Preliminary

Description

The AT45CS1282 is a 2.7-volt, dual-interface sequential access Flash memory

ideally suited for infrequent code shadowing applications. This device utilizes Atmel鈥檚

e

-

STAC

鈩?/div>

Multi-Level Cell (MLC) memory technology, which allows a single cell to

鈩?/div>

Pin Configurations

Pin Name

CS

SCK/CLK

SI

SO

I/O7 - I/O0

WP

RESET

RDY/BUSY

SER/BYTE

Function

Chip Select

Serial Clock/Clock

Serial Input

Serial Output

8-bit Input/Output

Hardware Page Write

Protect Pin

TSOP Top View: Type 1

NC

RDY/BUSY

RESET

WP

NC

VCC

GND

NC

CS

SCK

SI*

SO*

NC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

NC

I/O7*

I/O6*

I/O5*

I/O4*

VCCP*

GNDP*

I/O3*

I/O2*

I/O1*

I/O0*

SER/BYTE*

CLK

NC

CBGA Top View

1

2

3

4

5

A

Chip Reset

Ready/Busy

Serial/8-bit Interface

Control

B

C

NC SER/BYTE NC

I/O7

VCC

I/O6

I/O5

I/O4

D

I/O2 SCK/CLK GND

E

I/O1

CS RDY/BUSY WP

SO

SI

F

I/O0

RESET I/O3

NC

G

NC

GNDP VCCP

H

Note:

*Optional Use 鈥?See pin description text

for connection information.

J

Rev. 3447A鈥揇FLSH鈥?/04

1

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AT45CS1282 Datasheet

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