25LC020A-H/SN Microchip Technology, 25LC020A-H/SN Datasheet - Page 10

• Manufacturer Part Number: 25LC020A-H/SN
• Description: 2K, 256 X 8, 2.5V SER EE 150C 8 SOIC 3.90mm (.150") TUBE
• Manufacturer: Microchip Technology

Specifications of 25LC020A-H/SN

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 2K (256 x 8)
• Speed: 5MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25LCXXXA
FIGURE 3-2:
FIGURE 3-3:
DS22136B-page 10
SCK
SCK
For the 24LC010A device both A8 and A7 are don’t cares.
For the 24LC020A device A8 is a don’t care.
SCK
For the 24LC010A device both A8 and A7 are don’t cares.
For the 24LC020A device A8 is a don’t care.
CS
CS
SO
CS
SI
SI
SI
0
0
0
0
Instruction+Address MSb
Instruction+Address MSb
24
7
1
0
1
0
25
0
6
0
2
2
BYTE WRITE SEQUENCE
PAGE WRITE SEQUENCE
26 27 28 29 30 31
5
3
0
Data Byte 2
3
0
A
4
A
4
4
8
8
3
5
0
5
0
1
2
1
6
6
0
1
0
7
7
A
A
0
8
8
7
7
High-impedance
Lower Address Byte
Lower Address Byte
A
32
A
7
9 10 11
9 10 11
6
6
A
Preliminary
A
33 34 35
6
5
5
A
A
Data Byte 3
5
4
4
A
12 13 14 15 16 17 18 19 20 21 22 23
A
12 13 14 15 16 17 18 19 20 21 22 23
4
3
3
A
36 37
A
3
2
2
A
A
2
1
1
A
38 39
A
1
0
0
7
0
7
6
6
7
5
5
Data Byte 1
Data Byte
Data Byte n (16 max.)
6
4
4
© 2009 Microchip Technology Inc.
5
3
3
4
2
2
3
1
1
2
0
0
1
Twc
0