AT45DB021B-SI Atmel, AT45DB021B-SI Datasheet - Page 19

• Manufacturer Part Number: AT45DB021B-SI
• Description: IC FLASH 2MBIT 20MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT45DB021B-SI

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 2M (1024 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: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

12. Detailed Bit-level Read Timing – Inactive Clock Polarity Low
12.1
12.2
1937J–DFLSH–9/05
SCK
SCK
CS
SO
SO
CS
Continuous Array Read (Opcode: 68H)
Main Memory Page Read (Opcode: 52H)
SI
SI
t
SU
t
SU
HIGH-IMPEDANCE
1
0
1
0
COMMAND OPCODE
2
1
2
1
3
0
63
X
HIGH-IMPEDANCE
4
1
64
X
t
V
5
0
65
D 7
66
DATA OUT
60
X
D 6
67
61
X
D 5
68
62
X
D 2
63
X
D 1
BIT 2111
PAGE n
64
X
OF
t
LSB
V
D 0
65
MSB
D 7
PAGE n+1
MSB
D 7
66
BIT 0
OF
AT45DB021B
DATA OUT
D 6
D 6
67
D 5
D 5
19