25AA020A-I/SN Microchip Technology, 25AA020A-I/SN Datasheet - Page 7
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25AA020A-I/SN
Manufacturer Part Number
25AA020A-I/SN
Description
IC EEPROM 2KBIT 10MHZ 8SOIC
Manufacturer
Microchip Technology
Datasheet
1.25AA020AT-IOT.pdf
(30 pages)
Specifications of 25AA020A-I/SN
Memory Size
2K (256 x 8)
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
Package / Case
8-SOIC (3.9mm Width)
Memory Configuration
256 X 8
Ic Interface Type
SPI
Clock Frequency
10MHz
Supply Voltage Range
1.8V To 5.5V
Memory Case Style
SOIC
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
25AA020A-I/SN
Manufacturer:
MCP
Quantity:
15
Company:
Part Number:
25AA020A-I/SN
Manufacturer:
MICROCHIP
Quantity:
12 000
BLOCK DIAGRAM
TABLE 2-1:
FIGURE 2-1:
© 2007 Microchip Technology Inc.
x = don’t care
HOLD
Instruction Name
SCK
WP
SO
CS
SCK
SI
CS
SO
SI
WRITE
I/O Control
READ
WRDI
WREN
RDSR
WRSR
STATUS
Register
Logic
0
0
1
0
INSTRUCTION SET
V
V
0
CC
2
SS
Instruction
READ SEQUENCE
Memory
Control
Logic
3
0
Instruction Format
0
4
0000 x011
0000 x010
0000 x100
0000 x110
0000 x101
0000 x001
Dec
5
0
X
High-Impedance
6
1
Sense Amp.
R/W Control
Y Decoder
HV Generator
Page Latches
1
7
EEPROM
A
Array
8
7
A
9 10 11
6
Read data from memory array beginning at selected address
Write data to memory array beginning at selected address
Reset the write enable latch (disable write operations)
Set the write enable latch (enable write operations)
Read STATUS register
Write STATUS register
Preliminary
A
Address Byte
5
A
4
12 13 14 15 16 17 18 19 20 21 22 23
A
25AA020A/25LC020A
3
A
2
A
1
A
0
Description
7
6
5
Data Out
4
3
2
DS21833D-page 7
1
0