AT45DB081B-RI Atmel, AT45DB081B-RI Datasheet - Page 19
![IC FLASH 8MBIT 20MHZ 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
AT45DB081B-RI
Manufacturer Part Number
AT45DB081B-RI
Description
IC FLASH 8MBIT 20MHZ 28SOIC
Manufacturer
Atmel
Datasheet
1.AT45DB081B-CC.pdf
(33 pages)
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