AT45DB081B-RI Atmel, AT45DB081B-RI Datasheet - Page 19

• Manufacturer Part Number: AT45DB081B-RI
• Description: IC FLASH 8MBIT 20MHZ 28SOIC
• Manufacturer: Atmel

Specifications of AT45DB081B-RI

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 8M (4096 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

Detailed Bit-level Read Timing – Inactive Clock Polarity Low (Continued)
Buffer Read (Opcode: 54H or 56H)
Status Register Read (Opcode: 57H)
2225J–DFLSH–2/08
SCK
SO
CS
SCK
SI
CS
SO
SI
t
SU
t
SU
1
0
1
0
COMMAND OPCODE
2
1
HIGH-IMPEDANCE
2
1
COMMAND OPCODE
3
0
3
0
HIGH-IMPEDANCE
4
1
4
1
5
0
5
0
6
1
7
1
36
X
8
1
37
X
t
V
9
38
X
MSB
D 7
10
39
X
STATUS REGISTER OUTPUT
D 6
11
40
X
t
D 5
V
12
41
MSB
D 7
42
AT45DB081B
DATA OUT
D 1
16
D 6
43
LSB
D 0
17
D 5
MSB
D 7
19