25LC640-E/P Microchip Technology, 25LC640-E/P Datasheet - Page 4
25LC640-E/P
Manufacturer Part Number
25LC640-E/P
Description
IC EEPROM 64KBIT 2MHZ 8DIP
Manufacturer
Microchip Technology
Datasheet
1.25LC640-ESN.pdf
(24 pages)
Specifications of 25LC640-E/P
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
64K (8K x 8)
Speed
2MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
25LC640E/P
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
25LC640-E/P
Manufacturer:
MICROCHIP
Quantity:
12 000
25AA640/25LC640
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
DS21223H-page 4
SCK
SO
CS
SI
SCK
HOLD
SO
CS
SI
SCK
SO
CS
SI
Mode 1,1
Mode 0,0
5
2
n + 2
n + 2
MSB In
MSB Out
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
9
13
10
6
n + 1
n + 1
High-Impedance
16
Don’t Care
n
17
18
7
n
High-Impedance
Don’t Care
14
8
16
19
3
LSB In
17
5
n
© 2008 Microchip Technology Inc.
n
LSB Out
11
15
4
3
n - 1
12
n - 1
Mode 1,1
Mode 0,0