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型号： 24LC32AFT-I/SN
厂商： Microchip Technology
文件页数： 1/30页
文件大小： 0K
描述： IC SRL EEPROM 4KX8 2.5V 8-SOIC
标准包装： 3,300
格式 - 存储器： EEPROMs - 串行
存储器类型： EEPROM
存储容量： 32K (4K x 8)
速度： 400kHz
接口： I²C，2 线串口
电源电压： 2.5 V ~ 5.5 V
工作温度： -40°C ~ 85°C
封装/外壳： 8-SOIC（0.154"，3.90mm 宽）
供应商设备封装： 8-SOICN
包装： 带卷 (TR)
24AA32AF/24LC32AF
32K I 2 C ? Serial EEPROM with Quarter-Array Write-Protect
Device Selection Table
Description:
Part
Number
24AA32AF
24LC32AF
V CC
Range
1.7-5.5
2.5-5.5
Max. Clock
Frequency
400 kHz (1)
400 kHz
Temp.
Ranges
I
I, E
The Microchip Technology Inc. 24AA32AF/24LC32AF
(24XX32AF*) is a 32 Kbit Electrically Erasable PROM.
The device is organized as a single block of 4K x 8-bit
memory with a 2-wire serial interface. Low-voltage
design permits operation down to 1.7V, with standby
Note 1:
100 kHz for V CC <2.5V.
and read currents of only 1 μ A and 400 μ A,
respectively. It has been developed for advanced, low-
Features:
? Single Supply with Operation down to 1.7V for
24AA32AF devices, 2.5V for 24LC32AF devices
? Low-Power CMOS Technology:
- Read current 400 μ A, max.
- Standby current 1 μ A, max. (I-temp)
? 2-Wire Serial Interface, I 2 C? Compatible
? Packages with 3 Address Pins are Cascadable up
to Eight Devices
power applications such as personal communications
or data acquisition. The 24XX32AF 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 256 Kbits address space. The 24XX32AF
is available in the standard 8-pin PDIP, surface mount
SOIC, TSSOP, TDFN and MSOP packages. The
24XX32AF is also available in the 5-lead SOT-23
package.
Block Diagram
? Schmitt Trigger Inputs for Noise Suppression
? Output Slope Control to Eliminate Ground Bounce
? 100 kHz and 400 kHz Clock Compatibility
A 0 A1 A2 WP
HV Generator
? Page Write Time 5 ms max.
? Self-Timed Erase/Write Cycle
? 32-Byte Page Write Buffer
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
Page Latches
? Hardware Write-Protect for 1/4 Array
(C00h-FFFh)
? ESD Protection > 4,000V
? More than 1 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 and 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
Package Types
PDIP, MSOP, SOIC, TSSOP
SOT-23
Vcc
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
*24XX32AF is used in this document as a generic part number for the 24AA32AF/24LC32AF devices.
? 2009 Microchip Technology Inc.
DS22184A-page 1
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相关代理商/技术参数
参数描述
24LC32A-I/MNY 功能描述:电可擦除可编程只读存储器 32K 4K X 8 2.5V SER EE IND 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
24LC32A-I/MS 功能描述:电可擦除可编程只读存储器 4kx8 - 5V - 2.5V 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
24LC32A-I/MSG 功能描述:电可擦除可编程只读存储器 4kx8 - 5V - 2.5V 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
24LC32A-I/P 功能描述:电可擦除可编程只读存储器 4kx8 - 5V - 2.5V 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
24LC32A-I/P 制造商:Microchip Technology Inc 功能描述:IC EEPROM SERIAL 32K
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