25LC640-E/SN Microchip Technology, 25LC640-E/SN Datasheet - Page 5

• Manufacturer Part Number: 25LC640-E/SN
• Description: IC EEPROM 64KBIT 2MHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 25LC640-E/SN

• Memory Size: 64K (8K x 8)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 2MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 8K X 8
• Ic Interface Type: SPI
• Clock Frequency: 3MHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 25LC640E/SN

TABLE 1-3:
© 2008 Microchip Technology Inc.
AC Waveform:
Timing Measurement Reference Level
Note 1: For V
V
V
V
Input
Output
LO
HI
HI
= V
= 4.0V
2: For V
= 0.2V
CC
– 0.2V
CC
CC
AC TEST CONDITIONS
≤ 4.0V
> 4.0V
(Note 1)
(Note 2)
0.5 V
0.5 V
CC
CC
FIGURE 1-4:
25AA640/25LC640
SO
V
CC
AC TEST CIRCUIT
1.8 kΩ
2.25 kΩ
100 pF
DS21223H-page 5