AT45DB041B-RI Atmel, AT45DB041B-RI Datasheet - Page 19

• 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

14. Detailed Bit-level Read Timing – Inactive Clock Polarity Low
14.1
14.2
14.3
3443D–DFLSH–2/08
SCK
SCK
SCK
CS
SO
CS
SO
SO
CS
Continuous Array Read (Opcode: 68H)
Main Memory Page Read (Opcode: 52H)
Buffer Read (Opcode: 54H or 56H)
SI
SI
SI
t
SU
t
t
SU
SU
HIGH-IMPEDANCE
1
0
1
0
1
0
COMMAND OPCODE
COMMAND OPCODE
2
1
2
1
2
1
3
0
3
0
63
X
HIGH-IMPEDANCE
HIGH-IMPEDANCE
4
1
4
1
64
X
t
V
5
0
5
0
65
D 7
66
DATA OUT
60
36
X
X
D 6
67
61
37
X
X
D 5
68
62
38
X
X
D 2
63
39
X
X
D 1
BIT 2111
PAGE n
64
40
X
X
OF
t
t
LSB
V
V
D 0
65
41
MSB
D 7
PAGE n+1
MSB
MSB
D 7
D 7
66
42
BIT 0
OF
AT45DB041B
DATA OUT
DATA OUT
D 6
D 6
D 6
67
43
D 5
D 5
D 5
19