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24AA64FTIST

Description
64K I2C Serial EEPROM with Quarter-Array Write-Protect
File Size375KB,30 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet View All

24AA64FTIST Overview

64K I2C Serial EEPROM with Quarter-Array Write-Protect

24AA64F/24LC64F
64K I
2
C
Serial EEPROM with Quarter-Array Write-Protect
Device Selection Table
Part
Number
24AA64F
24LC64F
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. 24AA64F/24LC64F
(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 standby
and read currents of only 1
μA
and 400
μA,
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.
100 kHz for V
CC
<2.5V.
Features:
• Single-Supply with Operation down to 1.7V for
24AA64F devices, 2.5V for 24LC64F devices
• Low-Power CMOS Technology:
- Read current 400
μA,
max.
- Standby current 1
μA,
max. (I-temp)
• 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
• Output Slope Control to Eliminate Ground Bounce
• 100 kHz and 400 kHz Clock Compatibility
• Page Write Time 5 ms, typical
• Self-timed Erase/Write Cycle
• 32-Byte Page Write Buffer
• Hardware Write-protect for 1/4 Array
(1800h-1FFFh)
• 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, TDFN, 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
Block Diagram
A0 A1 A2 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
Package Types
PDIP/MSOP/SOIC/TSSOP
A0
A1
A2
V
SS
1
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
SDA
3
4
V
CC
SCL
V
SS
1
2
SOT-23
5
WP
A0 1
A1 2
A2 3
V
SS
4
DFN/TDFN
8 V
CC
7 WP
6 SCL
5 SDA
* 24XX64F is used in this document as a generic part number for the 24AA64F/24LC64F devices.
©
2009 Microchip Technology Inc.
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