AT45DB041B-RI Atmel, AT45DB041B-RI Datasheet - Page 25

• Manufacturer Part Number: AT45DB041B-RI
• Description: IC FLASH 4MBIT 20MHZ 28SOIC
• Manufacturer: Atmel

Specifications of AT45DB041B-RI

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 4M (2048 pages x 264 bytes)
• Speed: 20MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

17. Detailed Bit-level Read Timing – SPI Mode 3
17.1
17.2
17.3
3443D–DFLSH–2/08
SCK
SCK
SCK
CS
SO
CS
SO
SO
CS
Continuous Array Read (Opcode: E8H)
Main Memory Page Read (Opcode: D2H)
Buffer Read (Opcode: D4H or D6H)
SI
SI
SI
t
SU
t
t
SU
SU
1
HIGH-IMPEDANCE
1
1
1
1
1
2
COMMAND OPCODE
COMMAND OPCODE
2
2
1
1
1
3
3
0
0
HIGH-IMPEDANCE
HIGH-IMPEDANCE
X
4
4
63
1
1
X
5
5
64
t
V
0
0
X
65
D 7
DATA OUT
66
X
X
D 6
61
37
67
X
X
D 5
62
38
X
X
63
39
D 2
X
X
64
40
t
t
V
V
D 1
BIT 2111
PAGE n
X
X
OF
65
41
LSB
D 0
MSB
MSB
D 7
D 7
66
42
MSB
D 7
PAGE n+1
DATA OUT
DATA OUT
D 6
D 6
BIT 0
OF
AT45DB041B
67
43
D 6
D 5
D 5
44
68
D 5
D 4
D 4
25