25AA640A-I/SN Microchip Technology, 25AA640A-I/SN Datasheet - Page 8
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25AA640A-I/SN
Manufacturer Part Number
25AA640A-I/SN
Description
IC EEPROM 64KBIT 10MHZ 8SOIC
Manufacturer
Microchip Technology
Specifications of 25AA640A-I/SN
Memory Size
64K (8K x 8)
Package / Case
8-SOIC (3.9mm Width)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
10MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Organization
8 K x 8
Interface Type
SPI
Maximum Clock Frequency
3 MHz
Access Time
160 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Maximum Operating Current
5 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
25AA640A-I/SN
Manufacturer:
MICROCHIP
Quantity:
1 001
Company:
Part Number:
25AA640A-I/SN
Manufacturer:
MCP
Quantity:
100
Part Number:
25AA640A-I/SN
Manufacturer:
MICRCOHI
Quantity:
20 000
25AA640A/25LC640A
FIGURE 2-2:
FIGURE 2-3:
DS21830C-page 8
SCK
CS
SO
SI
SCK
SCK
CS
CS
SI
SI
0
0
0
0
0
1
32
7
1
0
0
BYTE WRITE SEQUENCE
Instruction
PAGE WRITE SEQUENCE
2
33
0
6
Instruction
2
0
3
5
34 35 36 37 38 39
3
0
Data Byte 2
0
4
0
4
4
0
5
3
5
0
High-Impedance
1
6
1
2
6
0
7
0
1
7
15 14 13 12
8
15 14 13 12
8
0
9 10 11
40
7
9 10 11
16-bit Address
41 42 43
16-bit Address
6
Data Byte 3
5
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
46 47
1
1
0 7
0
0
7
6
6
7
Data Byte n (32 max.)
5
Data Byte
5
6
Data Byte 1
© 2007 Microchip Technology Inc.
4
4
5
3
3
4
2
2
3
1
1
2
0
0
1
Twc
0