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24AA256IST PDF预览

24AA256IST

更新时间: 2024-02-09 12:53:12
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
42页 1254K
描述
256K IC CMOS Serial EEPROM

24AA256IST 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP-8Reach Compliance Code:compliant
Factory Lead Time:6 weeks风险等级:1.27
最大时钟频率 (fCLK):0.4 MHzJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.4 mm
内存密度:262144 bit内存集成电路类型:EEPROM
内存宽度:8湿度敏感等级:1
功能数量:1端子数量:8
字数:32768 words字数代码:32000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
并行/串行:SERIAL峰值回流温度(摄氏度):260
筛选级别:TS 16949座面最大高度:1.2 mm
串行总线类型:I2C最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):1.7 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3 mm最长写入周期时间 (tWC):5 ms

24AA256IST 数据手册

 浏览型号24AA256IST的Datasheet PDF文件第2页浏览型号24AA256IST的Datasheet PDF文件第3页浏览型号24AA256IST的Datasheet PDF文件第4页浏览型号24AA256IST的Datasheet PDF文件第5页浏览型号24AA256IST的Datasheet PDF文件第6页浏览型号24AA256IST的Datasheet PDF文件第7页 
24AA256/24LC256/24FC256  
256K I2C™ CMOS Serial EEPROM  
Temperature Ranges:  
Device Selection Table  
- Industrial (I):  
- Automotive (E):  
-40C to +85C  
-40C to +125C  
Part  
VCC  
Max. Clock  
Frequency  
Temp.  
Ranges  
Number  
Range  
Description:  
24AA256  
24LC256  
24FC256  
1.7-5.5V  
2.5-5.5V  
1.7-5.5V  
400 kHz(1)  
400 kHz  
1 MHz(2)  
I, E  
I, E  
I
The Microchip Technology Inc. 24AA256/24LC256/  
24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial  
Electrically Erasable PROM, capable of operation  
across a broad voltage range (1.7V to 5.5V). It has  
been developed for advanced, low-power applications  
such as personal communications or data acquisition.  
This device also has a page write capability of up to 64  
bytes of data. This device is capable of both random  
and sequential reads up to the 256K boundary.  
Functional address lines allow up to eight devices on  
the same bus, for up to 2 Mbit address space. This  
device is available in the standard 8-pin plastic DIP,  
SOIC, TSSOP, MSOP, DFN and TDFN packages. The  
24AA256 is also available in the 8-lead Chip Scale  
package.  
Note 1: 100 kHz for VCC < 2.5V.  
2: 400 kHz for VCC < 2.5V.  
Features:  
• Single Supply with Operation Down to 1.7V for  
24AA256 and 24FC256 Devices, 2.5V for  
24LC256 Devices  
• Low-Power CMOS Technology:  
- Active current 400 uA, typical  
- Standby current 100 nA, typical  
• 2-Wire Serial Interface, I2CCompatible  
• Cascadable up to Eight 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 Max.  
Block Diagram  
A0 A1A2WP  
HV Generator  
I/O  
Control  
Logic  
• Self-Timed Erase/Write Cycle  
Memory  
Control  
Logic  
EEPROM  
Array  
XDEC  
• 64-Byte Page Write Buffer  
• Hardware Write-Protect  
Page Latches  
• ESD Protection >4000V  
I/O  
• More than One Million Erase/Write Cycles  
• Data Retention >200 years  
SCL  
YDEC  
SDA  
• Factory Programming Available  
• Packages Include 8-lead PDIP, SOIC, DFN,  
TDFN, TSSOP and MSOP  
VCC  
Sense Amp.  
R/W Control  
VSS  
• Pb-Free and RoHS Compliant  
Package Types  
TSSOP/MSOP(1)  
DFN/TDFN  
CS (Chip Scale)(2)  
VCC A1 A0  
PDIP/SOIC  
A0  
1
8
VCC  
1
2
3
4
A0  
A1  
8
7
6
5
VCC  
WP  
1
2
8
7
A0  
A1  
VCC  
WP  
1
2
3
A1  
A2  
2
3
4
7
6
5
WP  
4
5
WP  
A2  
A2  
SCL  
SDA  
8
6
7
SCL  
SDA  
3
4
6
5
A2  
SCL  
SDA  
SDA SCL VSS  
VSS  
VSS  
VSS  
(TOP DOWN VIEW,  
BALLS NOT VISIBLE)  
Note 1: * Pins A0 and A1 are no connects for the MSOP package only.  
Note 2: Available in I-temp, “AA” only.  
*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.  
1998-2013 Microchip Technology Inc.  
DS20001203T-page 1  

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