AT25DF021-SSHF-B Atmel, AT25DF021-SSHF-B Datasheet - Page 35

• Manufacturer Part Number: AT25DF021-SSHF-B
• Description: IC FLASH 2MBIT 70MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT25DF021-SSHF-B

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 2M (256K x 8)
• Speed: 70MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 1024 Pages X 256 Bytes
• Interface Type: Serial, SPI
• Clock Frequency: 66MHz
• Supply Voltage Range: 2.3V To 3.6V
• Memory Case Style: SOIC
• Rohs Compliant: Yes
• Data Bus Width: 8 bit
• Architecture: Sectored
• Timing Type: Synchronous
• Access Time: 6 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 16 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

15. AC Waveforms
Figure 15-1. Serial Input Timing
Figure 15-2. Serial Output Timing
Figure 15-3. WP Timing for Write Status Register Command When SPRL = 1
3677D–DFLASH–04/09
SCK
SCK
SCK
WP
SO
CS
SO
CS
SO
CS
SI
SI
SI
t
CSLS
HIGH-IMPEDANCE
HIGH-IMPEDANCE
t
V
t
DS
WRITE STATUS REGISTER
t
WPS
OPCODE
MSB OF
MSB
0
t
CLKH
t
DH
0
t
OH
t
V
0
t
CLKL
WRITE STATUS REGISTER
t
CSLH
DATA BYTE
LSB OF
LSB
X
t
WPH
t
CLKH
t
CSHS
t
CSH
t
CLKL
t
CSHH
NEXT OPCODE
MSB OF
MSB
MSB
t
DIS
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