25AA640AT-I/MNY Microchip Technology, 25AA640AT-I/MNY Datasheet - Page 7

IC, EEPROM, 64KBIT, SPI, 10MHZ, TDFN-8

25AA640AT-I/MNY

Manufacturer Part Number
25AA640AT-I/MNY
Description
IC, EEPROM, 64KBIT, SPI, 10MHZ, TDFN-8
Manufacturer
Microchip Technology
Datasheet

Specifications of 25AA640AT-I/MNY

Memory Size
64Kbit
Memory Configuration
8K X 8
Ic Interface Type
Serial, SPI
Clock Frequency
10MHz
Access Time
50ns
Supply Voltage Range
1.8V To 5.5V
Memory Case Style
TDFN
No. Of Pins
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-TDFN
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
25AA640AT-I/MNYTR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
25AA640AT-I/MNY
Manufacturer:
MICROCHIP
Quantity:
12 000
BLOCK DIAGRAM
TABLE 2-1:
FIGURE 2-1:
© 2008 Microchip Technology Inc.
HOLD
Instruction Name
SCK
WP
SO
CS
SCK
SI
CS
SO
SI
WRITE
I/O Control
READ
WRDI
WREN
RDSR
WRSR
Register
STATUS
Logic
0
0
1
0
INSTRUCTION SET
READ SEQUENCE
V
V
0
CC
2
SS
Instruction
Memory
Control
Logic
3
0
Instruction Format
0000 0011
0000 0010
0000 0100
0000 0110
0000 0101
0000 0001
0
4
Dec
5
0
X
High-Impedance
6
1
Sense Amp.
R/W Control
Y Decoder
HV Generator
Page Latches
1
7
EEPROM
15 14 13 12
Array
8
9 10 11
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
16-bit Address
25AA640A/25LC640A
2
21 22 23 24 25 26 27 28 29 30 31
1
0
Description
7
6
5
Data Out
4
3
DS21830D-page 7
2
1
0

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