25LC256-I/P Microchip Technology, 25LC256-I/P Datasheet - Page 5

• Manufacturer Part Number: 25LC256-I/P
• Description: IC EEPROM 256KBIT 10MHZ 8DIP
• Manufacturer: Microchip Technology

Specifications of 25LC256-I/P

• Memory Size: 256K (32K x 8)
• Package / Case: 8-DIP (0.300", 7.62mm)
• Operating Temperature: -40°C ~ 85°C
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 10MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Organization: 32 K x 8
• Interface Type: SPI
• Maximum Clock Frequency: 10 MHz
• Access Time: 50 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
 2003 Microchip Technology Inc.
SCK
SO
CS
SI
SCK
HOLD
SO
CS
SI
SCK
SO
CS
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
Preliminary
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
DS21822C-page 5
n-1
Mode 1,1
Mode 0,0