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24AA08/24LC08B
8K I 2 C? Serial EEPROM
Device Selection Table
Description:
Part
Number
24AA08
24LC08B
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. 24AA08/24LC08B
(24XX08*) is a 8 Kbit Electrically Erasable PROM. The
device is organized as four blocks of 256 x 8-bit
memory with a 2-wire serial interface. Low-voltage
design permits operation down to 1.7V, with standby
Note 1:
100 kHz for V CC <2.5V.
and active currents of only 1 ? A and 1 mA, respectively.
The 24XX08 also has a page write capability for up to
Features:
? Single Supply with Operation down to 1.7V for
24AA08 Devices, 2.5V for 24LC08B Devices
? Low-Power CMOS Technology:
- Read current 1 mA, max.
- Standby current 1 ? A, max.
? 2-Wire Serial Interface, I 2 C? Compatible
? Schmitt Trigger inputs for Noise Suppression
? Output Slope Control to eliminate Ground Bounce
? 100 kHz and 400 kHz Clock Compatibility
? Page Write Time 3 ms, typical
16 bytes of data. The 24XX08 is available in the
standard 8-pin PDIP, surface mount SOIC, TSSOP, 2x3
DFN, 2x3 TDFN and MSOP packages, and is also
available in the 5-lead SOT-23, or 4-lead Chip Scale
package. All packages are Pb-free and RoHS
compliant.
Block Diagram
? Self-Timed Erase/Write Cycle
? 16-Byte Page Write Buffer
? Hardware Write-Protect
WP
HV
Generator
? ESD Protection >4,000V
? More than 1 Million Erase/Write Cycles
? Data Retention >200 Years
? Factory Programming Available
? Packages include 8-lead PDIP, SOIC, TSSOP,
DFN, TDFN, MSOP and 5-lead SOT-23, or 4-lead
Chip Scale
I/O
Control
Logic
I/O
SCL
Memory
Control
Logic
XDEC
EEPROM
Array
Page
Latches
YDEC
? Pb-Free and RoHS Compliant
SDA
? Temperature Ranges:
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Package Types
V CC
V SS
Sense Amp.
R/W Control
PDIP/MSOP/SOIC/TSSOP
SOT-23-5
DFN/TDFN
CS (Chip Scale) 2
A0
A1
A2
1
2
3
8
7
6
V CC
WP
SCL
SCL
Vss
1
2
5
WP
A0 1
A1 2
A2 3
V SS 4
8 V CC
7 WP
6 SCL
5 SDA
V CC
SCL
1
3
2
4
V SS
SDA
V SS
4
5
SDA
SDA
3
4
Vcc
(Top Down View,
Balls Not Visible)
Note:
Pins A0, A1 and A2 are not used by the 24XX08. (No
internal connections).
? 2002-2012 Microchip Technology Inc.
DS21710K-page 1
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