25LC256-E/SM Microchip Technology, 25LC256-E/SM Datasheet - Page 5

• Manufacturer Part Number: 25LC256-E/SM
• Description: IC,SERIAL EEPROM,32KX8,CMOS,SOP,8PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of 25LC256-E/SM

• 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-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• 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