25LC320T/ST Microchip Technology, 25LC320T/ST Datasheet - Page 8
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25LC320T/ST
Manufacturer Part Number
25LC320T/ST
Description
IC EEPROM 32KBIT 2MHZ 8-TSSOP
Manufacturer
Microchip Technology
Datasheet
1.25AA320-ISN.pdf
(26 pages)
Specifications of 25LC320T/ST
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
32K (4K x 8)
Speed
2MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
8-TSSOP
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
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