AT25640B-SSHL-B Atmel, AT25640B-SSHL-B Datasheet - Page 10

• Manufacturer Part Number: AT25640B-SSHL-B
• Description: IC EEPROM 64KBIT 20MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT25640B-SSHL-B

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 64K (8K x 8)
• Speed: 5MHz, 10MHz, 20MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Density: 64Kb
• Interface Type: Serial (SPI)
• Organization: 8Kx8
• Access Time (max): 80ns
• Frequency (max): 5MHz
• Write Protection: Yes
• Data Retention: 100Year
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Temp Range: -40C to 85C
• Supply Current: 10mA
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Memory Configuration: 8192 X 8
• Clock Frequency: 20MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.
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Timing Diagrams
Figure 4-1.
Figure 4-2.
Figure 4-3.
SCK
SCK
SCK
Atmel AT25320B/640B
SO
SO
SO
CS
CS
CS
SI
SI
SI
V
V
V
V
V
V
V
V
OH
IH
IL
IH
IL
IH
IL
OL
t
CSS
HI-Z
Synchronous Data Timing (for Mode 0)
WREN Timing
WRDI Timing
t
SU
VALID IN
t
WH
t
H
WREN OP-CODE
WRDI OP-CODE
HI-Z
HI-Z
t
WL
t
V
t
HO
t
CSH
8535F–SEEPR–6/10
t
DIS
t
HI-Z
CS