24AA64F/24LC64F/24FC64F
64K I 2 C? Serial EEPROM with Quarter-Array Write-Protect
Device Selection Table
? Temperature Ranges:
Part
Number
24AA64F
24LC64F
V CC
Range
1.7-5.5
2.5-5.5
Max. Clock
Frequency
400 kHz (1)
400 kHz
Temp.
Ranges
I
I, E
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Description:
The Microchip Technology Inc. 24AA64F/24LC64F/
24FC64F
Note 1:
2:
1.7-5.5 1 MHz (2)
100 kHz for V CC <2.5V.
400 kHz for V CC <2.5V.
I
24FC64F (24XX64F*) 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-
voltage design permits operation down to 1.7V, with
Features:
? Single-Supply with Operation down to 1.7V for
24AA64F/24FC64F Devices, 2.5V for 24LC64F
Devices
? Low-Power CMOS Technology:
- Read current 400 ? A, max.
- Standby current 1 ? A, max. (I-temp)
? 2-Wire Serial Interface, I 2 C? Compatible
? Packages with Three Address Pins are
Cascadable up to Eight Devices
? Schmitt Trigger Inputs for Noise Suppression
standby and read currents of only 1 ? A and 400 ? A,
respectively. It has been developed for advanced, low-
power applications such as personal communications
or data acquisition. The 24XX64F 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 24XX64F
is available in the standard 8-pin PDIP, surface mount
SOIC, TSSOP, TDFN and MSOP packages. The
24XX64F is also available in the 5-lead SOT-23
package.
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, typical
? Self-timed Erase/Write Cycle
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
? 32-Byte Page Write Buffer
? Hardware Write-Protect for 1/4 Array
Page
Latches
(1800h-1FFFh)
? ESD Protection > 4,000V
? More than One Million Erase/Write Cycles
I/O
SDA
SCL
YDEC
? Data Retention > 200 Years
? Factory Programming Available
? Packages include 8-Lead PDIP, SOIC, TSSOP,
MSOP, TDFN, 5-Lead SOT-23
? Pb-Free and RoHS Compliant
Package Types
PDIP/MSOP/SOIC/TSSOP
SOT-23
V CC
V SS
TDFN
Sense Amp.
R/W Control
A0
A1
A2
1
2
3
8
7
6
V CC
WP
SCL
SCL
V SS
SDA
1
2
3
5
4
WP
V CC
A0 1
A1 2
A2 3
V SS 4
8 V CC
7 WP
6 SCL
5 SDA
V SS
4
5
SDA
*24XX64F is used in this document as a generic part number for the 24AA64F/24LC64F/24FC64F devices.
? 2009-2012 Microchip Technology Inc.
DS22154B-page 1
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