AT25640B-SSHL-B Atmel, AT25640B-SSHL-B Datasheet - Page 6

• 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

WP pin tied to ground and still be able to write to the status register. All WP pin functions are enabled when the
WPEN bit is set to “1”.
Figure 2-1.
SPI Serial Interface
AT25320B/640B
Atmel AT25320B/640B
6
8535F–SEEPR–6/10