AT45DB321B-TC View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT45DB321B-TC

32-megabit 2.7-volt Only DataFlash®

Atmel Corporation 

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AT45DB321B

Detailed Bit-level Read Timing – SPI Mode 0 (Continued)

Buffer Read (Opcode: D4H or D6H)

CS

SCK

1

2

3

4

5

36 37 38 39 40 41 42 43

tSU

COMMAND OPCODE

SI

1

1

0

1

0

X

X

X

X

X

HIGH-IMPEDANCE

tV

DATA OUT

SO

D7 D6 D5 D4

MSB

Status Register Read (Opcode: D7H)

CS

SCK

1

2

3

4

5

6

7

8

9

10 11 12

16 17

tSU

COMMAND OPCODE

SI

1

1

0

1

0

1

1

1

tV

STATUS REGISTER OUTPUT

HIGH-IMPEDANCE

SO

D7 D6 D5 D4

D1 D0 D7

MSB

LSB MSB

23

2223E–DFLASH–11//03

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