24AA64/24LC64/24FC64
64K I
2
C
™
Serial EEPROM
Device Selection Table
Part
Number
24AA64
24LC64
24FC64
Note 1:
2:
V
CC
Range
1.7-5.5
2.5-5.5
1.7-5.5
Max. Clock
Frequency
400 kHz
(1)
400 kHz
1 MHz
(2)
Temp.
Ranges
I
I, E
I
Description:
The Microchip Technology Inc. 24AA64/24LC64/
24FC64 (24XX64*) is a 64 Kbit Electrically Erasable
PROM. The device is organized as a single block of 8K
x 8-bit memory with a 2-wire serial interface. Low-volt-
age design permits operation down to 1.7V, with
standby and active currents of only 1
μA
and 1 mA,
respectively. It has been developed for advanced, low-
power applications such as personal communications
or data acquisition. The 24XX64 also has a page write
capability for up to 32 bytes of data. Functional address
lines allow up to eight devices on the same bus, for up
to 512 Kbits address space. The 24XX64 is available in
the standard 8-pin PDIP, surface mount SOIC, TSSOP,
DFN and MSOP packages.
100 kHz for V
CC
<2.5V
400 kHz for V
CC
<2.5V
Features:
• Single-supply with operation down to 1.7V for
24AA64/24FC64 devices, 2.5V for 24LC64
devices
• Low-power CMOS technology:
- Active current 1 mA, typical
- Standby current 1
μA,
typical
• 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
• 1 MHz clock for FC versions
• Page write time 5 ms, typical
• Self-timed erase/write cycle
• 32-byte page write buffer
• Hardware write-protect
• 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,
MSOP and DFN
• 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
8
7
6
5
V
CC
WP
SCL
A0
A1
A2
SOIC, TSSOP
1
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
SDA V
SS
DFN
A0 1
A1 2
A2 3
V
SS
4
8 V
CC
7 WP
6 SCL
5 SDA
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
* 24XX64 is used in this document as a generic part
number for the 24AA64/24LC64/24FC64 devices.
Sense Amp.
R/W Control
©
2007 Microchip Technology Inc.
DS21189L-page 1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
