AT45DB321B View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT45DB321B

32-megabit 2.7-volt Only DataFlash®

Atmel Corporation 

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AT45DB321B

Detailed Bit-level Read Timing – Inactive Clock Polarity Low (Continued)

Buffer Read (Opcode: 54H or 56H)

CS

SCK

1

2

3

4

5

36

37

38

39

40

41

42

43

tSU

COMMAND OPCODE

SI

0

1

0

1

0

X

X

X

X

X

tV

DATA OUT

HIGH-IMPEDANCE

SO

D7 D6 D5

MSB

Status Register Read (Opcode: 57H)

CS

SCK

1

2

3

4

5

6

7

8

9

10 11 12

16 17

tSU

COMMAND OPCODE

SI

0

1

0

1

0

1

1

1

tV

STATUS REGISTER OUTPUT

HIGH-IMPEDANCE

SO

D7 D6 D5

D1 D0 D7

MSB

LSB MSB

19

2223E–DFLASH–11//03

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