25C320/SN Microchip Technology, 25C320/SN Datasheet - Page 4

• Manufacturer Part Number: 25C320/SN
• Description: IC EEPROM 32KBIT 3MHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 25C320/SN

• Memory Size: 32K (4K x 8)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 3MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 4K X 8
• Ic Interface Type: SPI
• Clock Frequency: 3MHz
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25AA320/25LC320/25C320
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
DS21227E-page 4
SCK
SO
CS
SI
SCK
CS
SO
HOLD
SI
SCK
SO
CS
SI
Mode 1,1
Mode 0,0
5
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
2
n+2
n+2
MSB out
MSB in
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
 2004 Microchip Technology Inc.
n
ISB out
11
15
4
3
n-1
12
n-1
Mode 1,1
Mode 0,0