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25AA640/SNG PDF预览

25AA640/SNG

更新时间: 2024-09-18 21:10:19
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时钟光电二极管内存集成电路
页数 文件大小 规格书
12页 211K
描述
8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

25AA640/SNG 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.24
其他特性:DATA RETENTION > 200 YEARS; 4KV ESD PROTECTION; 1M ENDURANCE CYCLES最大时钟频率 (fCLK):1 MHz
数据保留时间-最小值:200耐久性:1000000 Write/Erase Cycles
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm内存密度:65536 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:8192 words
字数代码:8000工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:8KX8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:SERIAL
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm串行总线类型:SPI
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):1.8 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3.9 mm
最长写入周期时间 (tWC):5 msBase Number Matches:1

25AA640/SNG 数据手册

 浏览型号25AA640/SNG的Datasheet PDF文件第2页浏览型号25AA640/SNG的Datasheet PDF文件第3页浏览型号25AA640/SNG的Datasheet PDF文件第4页浏览型号25AA640/SNG的Datasheet PDF文件第5页浏览型号25AA640/SNG的Datasheet PDF文件第6页浏览型号25AA640/SNG的Datasheet PDF文件第7页 
25AA640/25LC640  
64K SPI Bus Serial EEPROM  
M
PACKAGE TYPES  
DEVICE SELECTION TABLE  
Part  
Number  
VCC  
Range  
Max Clock  
Frequency  
Temp  
Ranges  
PDIP/SOIC  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
CS  
SO  
25AA640  
25LC640  
25LC640  
1.8-5.5V  
2.5-5.5V  
4.5-5.5V  
1 MHz  
2 MHz  
C
C,I  
3/2.5 MHz  
C,I/E  
WP  
VSS  
FEATURES  
• Low power CMOS technology  
- Write current: 3 mA typical  
- Read current: 500 µA typical  
- Standby current: 500 nA typical  
• 8192 x 8 bit organization  
• 32 byte page  
• Write cycle time: 5ms max.  
• Self-timed ERASE and WRITE cycles  
• Block write protection  
TSSOP  
1
2
3
4
8
7
6
5
SCK  
SI  
VSS  
WP  
HOLD  
VCC  
CS  
SO  
- Protect none, 1/4, 1/2, or all of array  
• Built-in write protection  
- Power on/off data protection circuitry  
- Write enable latch  
BLOCK DIAGRAM  
Status  
Register  
HV Generator  
- Write protect pin  
• Sequential read  
• High reliability  
- Data retention: > 200 years  
- ESD protection: > 4000 V  
• 8-pin PDIP, SOIC, and TSSOP packages  
Temperature ranges supported:  
EEPROM  
Array  
Memory  
Control  
Logic  
X
I/O Control  
Logic  
- Commercial (C):  
- Industrial (I):  
0°C to +70°C  
-40°C to +85°C  
-40°C to +125°C  
Dec  
- Automotive (E):  
Page Latches  
DESCRIPTION  
SI  
The Microchip Technology Inc. 25AA640/25LC640  
(25xx640 ) is a 64K bit Serial Electrically Erasable  
*
Y Decoder  
SO  
PROM [EEPROM].The memory is accessed via a sim-  
ple Serial Peripheral Interface (SPI) compatible serial  
bus. The bus signals required are a clock input (SCK)  
plus separate data in (SI) and data out (SO) lines.  
Access to the device is controlled through a chip select  
(CS) input.  
CS  
SCK  
Sense Amp.  
R/W Control  
HOLD  
WP  
VCC  
VSS  
Communication to the device can be paused via the  
hold pin (HOLD). While the device is paused, transi-  
tions on its inputs will be ignored, with the exception of  
chip select, allowing the host to service higher priority  
interrupts.  
*25xx640 is used in this document as a generic part number for the 25AA640/25LC640 devices.  
SPI is a trademark of Motorola.  
1999 Microchip Technology Inc.  
Preliminary  
DS21223D-page 1  

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