25LC256-E/MF Microchip Technology, 25LC256-E/MF Datasheet - Page 5
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25LC256-E/MF
Manufacturer Part Number
25LC256-E/MF
Description
IC,SERIAL EEPROM,32KX8,CMOS,LLCC,8PIN,PLASTIC
Manufacturer
Microchip Technology
Datasheet
1.25LC256-ISN.pdf
(26 pages)
Specifications of 25LC256-E/MF
Rohs Compliant
YES
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
10MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Package / Case
8-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
© 2007 Microchip Technology Inc.
SCK
CS
SO
SCK
SI
SO
CS
HOLD
SI
SCK
CS
SO
SI
Mode 1,1
Mode 0,0
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
2
n + 2
n + 2
5
MSB out
MSB in
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
25AA256/25LC256
19
LSB in
17
3
n
n
5
ISB out
11
4
15
3
n - 1
12
DS21822F-page 5
n - 1
Mode 1,1
Mode 0,0