24AA01/24LC01B
1K I
2
C
™
Serial EEPROM
Device Selection Table
Part
Number
24AA01
24LC01B
Note 1:
V
CC
Range
1.7-5.5
2.5-5.5
Max. Clock
Frequency
400 kHz
(1)
400 kHz
Temp.
Ranges
I
I, E
Description:
The Microchip Technology Inc. 24AA01/24LC01B
(24XX01*) is a 1 Kbit Electrically Erasable PROM. The
device is organized as one block of 128 x 8-bit memory
with a 2-wire serial interface. Low-voltage design
permits operation down to 1.7V with standby and active
currents of only 1
μA
and 1 mA, respectively. The
24XX01 also has a page write capability for up to 8
bytes of data. The 24XX01 is available in the standard
8-pin PDIP, surface mount SOIC, TSSOP, 2x3 DFN and
MSOP packages, and is also available in the 5-lead
SOT-23 package.
100 kHz for V
CC
<2.5V
Features:
• Single supply with operation down to 1.7V for
24AAXX devices, 2.5V for 24LCXX devices
• Low-power CMOS technology:
- Read current 1 mA, typical
- Standby current 1
μA,
typical (I-temp)
• 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 compatibility
• Page write time 3 ms, typical
• Hardware write-protect
• ESD protection >4,000V
• More than 1 million erase/write cycles
• Data retention >200 years
• Factory programmable available
• Packages include 8-lead PDIP, SOIC, TSSOP,
DFN, MSOP and 5-lead SOT-23
• Pb-free and RoHS compliant
• Temperature ranges:
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Package Types
PDIP, MSOP
A0
A1
A2
V
SS
1
2
3
4
SOT-23-5
SCL
Vss
SDA
Note:
1
2
3
4
Vcc
5
WP
A0 1
A1 2
A2 3
V
SS
4
8
7
6
5
V
CC
WP
SCL
A0
A1
A2
SOIC, TSSOP
1
2
3
4
DFN
8 V
CC
7 WP
6 SCL
5 SDA
8
7
6
5
V
CC
WP
SCL
SDA
SDA V
SS
Pins A0, A1 and A2 are not used by the 24XX01 (no
internal connections).
Block Diagram
WP
HV Generator
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
Page Latches
I/O
SCL
YDEC
SDA
V
CC
V
SS
Sense Amp.
R/W Control
©
2007 Microchip Technology Inc.
DS21711G-page 1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
