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24AA64/24LC64
64K I 2 C ? Serial EEPROM
Device Selection Table
Description
Part
Number
24AA64
V CC
Range
1.8-5.5
Max Clock
Frequency
400 kHz (1)
Temp
Ranges
I
The Microchip Technology Inc. 24AA64/24LC64
(24XX64*) is a 64 Kbit Electrically Erasable PROM.
The device is organized as eight blocks of 1K x 8-bit
memory with a 2-wire serial interface. Low voltage
24LC64 2.5-5.5 400 kHz
Note 1: 100 kHz for V CC <2.5V
I, E
design permits operation down to 1.8V with standby
and active currents of only 1 μA and 1 mA respectively.
It has been developed for advanced, low power appli-
Features
? Single supply with operation down to 1.8V
? Low power CMOS technology
- 1 mA active current typical
- 1 μA standby current (max.) (I-temp)
? Organized as 8 blocks of 8K bit (64K bit)
? 2-wire serial interface bus, I 2 C? compatible
? Cascadable for up to eight devices
cations such as personal communications or data
acquisition. The 24XX64 also has a page-write capabil-
ity 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
and MSOP packages.
Package Types
? Schmitt Trigger inputs for noise suppression
PDIP/SOIC/TSSOP/MSOP
ROTATED TSSOP
(24AA64X/24LC64X)
? Output slope control to eliminate ground bounce
? 100 kHz (24AA64) and 400 kHz (24LC64) com-
patibility
? Self-timed write cycle (including auto-erase)
? Page-write buffer for up to 32 bytes
A0 1
A1 2
A2 3
Vss 4
8 Vcc
7 WP
6 SCL
5 SDA
WP
Vcc
A0
A1
1
2
3
4
8
7
6
5
SCL
SDA
Vss
A2
? 2 ms typical write cycle time for page-write
? Hardware write protect for entire memory
? Can be operated as a serial ROM
Block Diagram
? Factory programming (QTP) available
? ESD protection > 4,000V
? 1,000,000 erase/write cycles
A0 A1 A2 WP
HV GENERATOR
? Data retention > 200 years
? 8-lead PDIP, SOIC, TSSOP, and MSOP package
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
? Available temperature ranges:
- Industrial (I): -40°C to +85°C
PAGE LATCHES
- Automotive (E): -40°C to +125°C
I/O
SCL
YDEC
SDA
V CC
V SS
*24XX64 is used in this document as a generic part number for the 24AA64/24LC64 devices.
? 2002 Microchip Technology Inc.
SENSE AMP
R/W CONTROL
DS21189F-page 1
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相关代理商/技术参数
24LC65/P 功能描述:电可擦除可编程只读存储器 8kx8 2.5V Smart RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
24LC65/P 制造商:Microchip Technology Inc 功能描述:IC EEPROM SMART SERIAL 64K 24LC65
24LC65/PG 功能描述:电可擦除可编程只读存储器 8kx8 - 2.5V Smart Lead Free Package RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
24LC65/SM 功能描述:电可擦除可编程只读存储器 8kx8 2.5V Smart RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
24LC65/SM 制造商:Microchip Technology Inc 功能描述:IC EEPROM SMART SERIAL 64K 24LC65
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24LC65-I/P 功能描述:电可擦除可编程只读存储器 8kx8 - 2.5V Smart RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
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