25AA040-I/P Microchip Technology, 25AA040-I/P Datasheet - Page 4

• Manufacturer Part Number: 25AA040-I/P
• Description: IC EEPROM 4KBIT 1MHZ 8DIP
• Manufacturer: Microchip Technology

Specifications of 25AA040-I/P

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8)
• Speed: 1MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25AA040/25LC040/25C040
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
DS21204E-page 4
SCK
SO
CS
SI
SCK
HOLD
SO
CS
SI
SCK
SO
CS
SI
Mode 1,1
Mode 0,0
2
n + 2
n + 2
5
MSB out
MSB in
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
9
6
13
10
n + 1
16
n + 1
High-impedance
Don’t Care
n
17
7
18
n
High-impedance
Don’t Care
14
8
16
19
LSB in
17
3
n
© 2006 Microchip Technology Inc.
n
5
ISB out
11
4
15
3
n - 1
12
n - 1
Mode 1,1
Mode 0,0