AT45D021A_14 Datasheet, PDF (22/28 Pages) ATMEL Corporation – Optional Page and Block Erase Operations

Detailed Bit-level Read Timing – SPI Mode 3
Continuous Array Read (Opcode: E8H)
CS
SCK
SI
SO
1
2
63 64 65 66 67
tSU
1
1
X
HIGH-IMPEDANCE
X
X
tV
DATA OUT
D7 D6 D5
Burst Array Read (Opcode: E8H)
CS
LSB MSB
D2 D1 D0 D7 D6 D5
BIT 2111
OF
PAGE n
BIT 0
OF
PAGE n+1
SCK
SI
SO
1
2
63 64 65 66
tSU
1
1
X
HIGH-IMPEDANCE
X
X
tV
DATA OUT
D7 D6
D1
tBRBD
LSB
MSB
D0
D7 D6 D5
BIT 2111
OF
PAGE n
BIT 0
OF
PAGE n+1
22
AT45D021A