25AA02E48/25AA02E64
2K SPI Bus Serial EEPROMs with EUI-48™ or EUI-64™ Node Identity
Device Selection Table
Part Number
25AA02E48
VCC Range
Page Size
Temp. Ranges
Packages
Node Address
1.8V-5.5V
1.8V-5.5V
16 Bytes
16 Bytes
I
I
SN, OT
SN, OT
EUI-48™
EUI-64™
25AA02E64
Features
Description
• Pre-Programmed Globally Unique, 48-bit or 64-bit
Node Address
The
Microchip
Technology
Inc.
25AA02E48/25AA02E64 (25AA02EXX) is a 2 Kbit
Serial Electrically Erasable Programmable Read-Only
Memory (EEPROM). The memory is accessed via a
simple Serial Peripheral Interface (SPI) compatible
serial bus. The bus signals required are a clock input
(SCK) plus separate data in (SI) and data out (SO)
lines. Access to the device is controlled through a Chip
Select (CS) input.
• Compatible with EUI-48™ and EUI-64™
• 10 MHz Maximum Clock Frequency
• Low-Power CMOS Technology:
- Maximum Write Current: 5 mA at 5.5V
- Read Current: 5 mA at 5.5V, 10 MHz
- Standby Current: 1 µA at 2.5V
• 256 x 8-bit Organization
Note:
25AA02EXX is used in this document as a
generic part number for the
25AA02E48/25AA02E64 devices.
• Write Page Mode (up to 16 bytes)
• Sequential Read
• Self-Timed Erase and Write Cycles
(5 ms maximum)
Communication to the device can be paused via the
hold pin (HOLD). While the device is paused,
transitions on its inputs will be ignored, with the
exception of Chip Select, allowing the host to service
higher priority interrupts.
• Block Write Protection:
- Protect none, 1/4, 1/2 or all of array
• Built-in Write Protection:
- Power-on/off data protection circuitry
- Write enable latch
The 25AA02EXX is available in the standard 8-lead
SOIC and 6-lead SOT-23 packages.
- Write-protect pin
Pin Function Table
• High Reliability:
- Endurance: 1,000,000 erase/write cycles
- Data retention: >200 years
- ESD protection: >4000V
• Temperature Ranges Supported:
Name
Function
Chip Select Input
CS
SO
WP
VSS
SI
Serial Data Output
Write-Protect
Ground
- Industrial (I):
-40C to +85C
• Pb-Free and RoHS Compliant
Package Types (not to scale)
Serial Data Input
Serial Clock Input
Hold Input
SCK
HOLD
VCC
6-Lead SOT-23
SOIC
(SN)
(OT)
Supply Voltage
VDD
CS
SO
CS
1
8
VCC
SCK
VSS
SI
1
2
3
6
5
4
SO
WP
VSS
2
3
4
7
6
5
HOLD
SCK
SI
2008-2016 Microchip Technology Inc.
DS20002123F-page 1