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24AA64/24LC64/24FC64
64K I 2 C ? Serial EEPROM
Device Selection Table
? Pb-Free and RoHS Compliant
Part
Number
24AA64
24LC64
V CC
Range
1.7-5.5
2.5-5.5
Max. Clock
Frequency
400 kHz (1)
400 kHz
Temp.
Ranges
I
I, E
? Temperature Ranges:
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Description:
1.7-5.5
1 MHz
24FC64
Note 1:
2:
100 kHz for V CC <2.5V.
400 kHz for V CC <2.5V.
(2)
I
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-
Features:
? Single-Supply with Operation down to 1.7V for
24AA64/24FC64 Devices, 2.5V for 24LC64
Devices
? Low-Power CMOS Technology:
- Active current 3 mA, max.
- Standby current 1 ? A, max.
? 2-Wire Serial Interface, I 2 C? Compatible
? Packages with 3 Address Pins are Cascadable up
to 8 Devices
? Schmitt Trigger Inputs for Noise Suppression
voltage design permits operation down to 1.7V, with
standby and active currents of only 1 ? A and 3 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, SOIJ, TSSOP, DFN, TDFN and MSOP
packages. The 24XX64 is also available in the 5-lead
SOT-23, and Chip Scale packages.
Block Diagram
? Output Slope Control to Eliminate Ground Bounce
? 100 kHz and 400 kHz Clock Compatibility
? 1 MHz Clock for FC versions
A 0 A 1 A 2 WP
HV
Generator
? Page Write Time 5 ms, max.
? 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, SOIJ,
TSSOP, X-Rotated TSSOP, MSOP, DFN, TDFN,
5-lead SOT-23 or Chip Scale
I/O
Control
Logic
I/O
SCL
SDA
V CC
V SS
Memory
Control
Logic
XDEC
EEPROM
Array
Page
Latches
YDEC
Sense Amp.
R/W Control
Package Types
PDIP/MSOP/SOIC/SOIJ/TSSOP
SOT-23
DFN/TDFN
CS (Chip Scale) (1)
WP
A0
A1
V SS
1
2
A0
A1
A2
V SS
1
2
3
4
8
7
6
5
V CC
WP
SCL
SDA
X-Rotated TSSOP
(X/ST)
1 8
V CC 2 7
3 6
4 5
SCL
SDA
V SS
A2
SCL
V SS
SDA
1
2
3
5
4
WP A0 1
A1 2
A2 3
V CC V SS 4
8 V CC
7 WP
6 SCL
5 SDA
V CC
WP 3
SCL 4 5 SDA
(Top Down View,
Note
1:
Available in I-temp, “AA” only.
Balls Not Visible)
* 24XX64 is used in this document as a generic part number for the 24AA64/24LC64/24FC64 devices.
? 1997-2012 Microchip Technology Inc.
DS21189S-page 1
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