25C320/P Microchip Technology, 25C320/P Datasheet - Page 8

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

Specifications of 25C320/P

• 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-DIP (0.300", 7.62mm)
• Memory Configuration: 4K X 8
• Ic Interface Type: SPI
• Clock Frequency: 3MHz
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: DIP
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25AA320/25LC320/25C320
FIGURE 3-1:
FIGURE 3-2:
FIGURE 3-3:
DS21227F-page 8
SCK
CS
SO
SI
SCK
SCK
SCK
CS
CS
CS
SO
SI
SI
SI
0
0
0
0
0
0
0
1
32
7
1
0
1
0
0
READ SEQUENCE
BYTE WRITE SEQUENCE
Instruction
PAGE WRITE SEQUENCE
2
33
0
6
Instruction
2
0
2
Instruction
0
3
5
34 35 36 37 38 39
3
0
Data Byte 2
3
0
0
4
0
4
4
0
4
0
5
3
5
0
High-Impedance
5
0
1
6
1
2
6
High-Impedance
6
1
0
7
0
1
7
15 14 13 12
1
7
8
15 14 13 12
8
0
15 14 13 12
8
9 10 11
40
7
9 10 11
9 10 11
16-bit Address
41 42 43
16-bit Address
6
Data Byte 3
5
16-bit Address
4
44 45
3
21 22 23 24 25 26 27 28 29 30 31
2
21 22 23 24 25 26 27 28 29 30 31
2
2
1
2
21 22 23 24 25 26 27 28 29 30 31
46 47
1
1
0 7
1
0
0
0
7
6
6
7
7
5
Data Byte
5
Data Byte n (32 max)
6
6
Data Byte 1
© 2008 Microchip Technology Inc.
4
4
5
5
3
Data Out
3
4
4
2
2
3
3
1
1
2
2
0
0
1
1
Twc
0
0