24AA1026/24LC1026/24FC1026
1024K I2C™ CMOS Serial EEPROM
Functional address lines allow up to four devices on the
Device Selection Table:
same data bus. This allows for up to 4 Mbits total
system EEPROM memory. This device is available in
the standard 8-pin PDIP, SOIC and SOIJ packages.
Part
VCC
Max. Clock
Frequency
Temp.
Ranges
Number
Range
24AA1026
24LC1026
24FC1026
1.7-5.5V
2.5-5.5V
1.8-5.5V
400 kHz†
400 kHz
1 MHz‡
I
I
I
Package Type
PDIP
NC
1
8
VCC
†100 kHz for VCC < 2.5V
‡400 kHz for VCC < 2.5V
A1
A2
2
3
4
7
6
5
WP
SCL
SDA
Features:
VSS
• Low-Power CMOS Technology:
- Read current 450 A, maximum
- Standby current 5 A, maximum
• 2-Wire Serial Interface, I2C™ Compatible
• Cascadable up to Four Devices
SOIJ/SOIC
1
2
8
7
NC
VCC
A1
A2
WP
• Schmitt Trigger Inputs for Noise Suppression
• Output Slope Control to Eliminate Ground Bounce
• 100 kHz and 400 kHz Clock Compatibility
• 1 MHz Clock for FC Versions
3
4
6
5
SCL
SDA
VSS
• Page Write Time 3 ms, typical
• Self-Timed Erase/Write Cycle
Block Diagram
• 128-Byte Page Write Buffer
A1A2 WP
HV Generator
• Hardware Write-Protect
• ESD Protection >400V
• More than 1 Million Erase/Write Cycles
• Data Retention >200 Years
I/O
Control
Logic
Memory
Control
Logic
EEPROM
Array
XDEC
• Factory Programming Available
• Packages include 8-lead PDIP, SOIJ and SOIC
• Pb-Free and RoHS Compliant
• Temperature Ranges:
Page Latches
I/O
SCL
YDEC
SDA
- Industrial (I):
-40C to +85C
V
CC
Description:
Sense AMP
R/W Control
VSS
The Microchip Technology Inc. 24AA1026/24LC1026/
24FC1026 (24XX1026*) is a 128K x 8 (1024K bit)
Serial Electrically Erasable PROM, capable of
operation across a broad voltage range (1.7V to 5.5V).
It has been developed for advanced, low-power
applications such as personal communications or data
acquisition. This device has both byte write and page
write capability of up to 128 bytes of data.
*24XX1026 is used in this document as a generic part number
for the 24AA1026/24LC1026/24FC1026 devices.
This device is capable of both random and sequential
reads. Reads may be sequential within address
boundaries 0000h to FFFFh and 10000h to 1FFFFh.
2011 Microchip Technology Inc.
DS22270A-page 1