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24AA02/24LC02B
2K I 2 C ? Serial EEPROM
Device Selection Table
Description:
Part
Number
24AA02
24LC02B
V CC
Range
1.7-5.5
2.5-5.5
Max. Clock
Frequency
400 kHz (1)
400 kHz
Temp.
Ranges
I
I, E
The Microchip Technology Inc. 24AA02/24LC02B
(24XX02*) is a 2 Kbit Electrically Erasable PROM. The
device is organized as one block of 256 x 8-bit memory
with a 2-wire serial interface. Low-voltage design
permits operation down to 1.7V, with standby and
Note 1:
100 kHz for V CC <2.5V.
active currents of only 1 μ A and 1 mA, respectively.
The 24XX02 also has a page write capability for up to
Features:
? Single Supply with Operation down to 1.7V for
24AA02 Devices, 2.5V for 24LC02B Devices
? Low-Power CMOS Technology:
- Read current 1 mA, max.
8 bytes of data. The 24XX02 is available in the
standard 8-pin PDIP, surface mount SOIC, TSSOP, 2x3
DFN, 2x3 TDFN and MSOP packages and is also avail-
able in the 5-lead SOT-23 and SC-70 packages.
Package Types
- Standby current 1 μ A, max. (I-temp)
? 2-Wire Serial Interface, I 2 C? Compatible
PDIP, MSOP
SOIC, TSSOP
? Schmitt Trigger inputs for Noise Suppression
? Output Slope Control to eliminate Ground Bounce
? 100 kHz and 400 kHz Clock Compatibility
A0
A1
A2
1
2
3
8
7
6
V CC
WP
SCL
A0
A1
A2
1
2
3
8
7
6
V CC
WP
SCL
? Page Write Time 3 ms, typical
V SS
4
5
SDA V SS
4
5
SDA
? Self-Timed Erase/Write Cycle
? 8-Byte Page Write Buffer
SOT-23/SC-70
DFN/TDFN
? Hardware Write-Protect
? ESD Protection >4,000V
? More than 1 Million Erase/Write Cycles
? Data Retention >200 Years
SCL
Vss
SDA
1
2
3
5
4
WP
Vcc
A0 1
A1 2
A2 3
V SS 4
8 V CC
7 WP
6 SCL
5 SDA
? Factory Programming Available
? Packages include 8-lead PDIP, SOIC, TSSOP,
DFN, TDFN, MSOP, 5-lead SOT-23 and SC-70
? Pb-free and RoHS Compliant
Note:
Pins A0, A1 and A2 are not used by the 24XX02. (No
internal connections).
? Temperature Ranges:
Block Diagram
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
WP
HV
Generator
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
Page
Latches
? 2009 Microchip Technology Inc.
I/O
SDA
V CC
V SS
SCL
YDEC
Sense Amp.
R/W Control
DS21709J-page 1
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