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X25642S PDF预览

X25642S

更新时间: 2024-01-26 10:17:20
品牌 Logo 应用领域
XICOR 可编程只读存储器
页数 文件大小 规格书
16页 78K
描述
Advanced SPI Serial E 2 PROM with Block Lock TM Protection

X25642S 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP,
针数:20Reach Compliance Code:unknown
ECCN代码:3A001.A.2.CHTS代码:8542.32.00.51
风险等级:5.82Is Samacsys:N
最大时钟频率 (fCLK):2 MHzJESD-30 代码:R-PDSO-G20
长度:6.5 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:3功能数量:1
端子数量:20字数:8192 words
字数代码:8000工作模式:SYNCHRONOUS
最高工作温度:125 °C最低工作温度:-55 °C
组织:8KX8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):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.2 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):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
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:NOT SPECIFIED
宽度:4.4 mm最长写入周期时间 (tWC):10 ms
Base Number Matches:1

X25642S 数据手册

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APPLICATION  
NOTE  
A V A I L A B L E  
AN19 • AN38 • AN41 • AN61  
64K  
8K x 8 Bit  
X25642  
2
TM  
Advanced SPI Serial E PROM with Block Lock Protection  
FEATURES  
DESCRIPTION  
2MHz Clock Rate  
The X25642 is a CMOS 65,536-bit serial E2PROM,  
internally organized as 8K x 8. The X25642 features a  
Serial Peripheral Interface (SPI) and software protocol  
allowing operation on a simple three-wire bus. The bus  
signals 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, allowing  
any number of devices to share the same bus.  
Low Power CMOS  
—<1µA Standby Current  
—<5mA Active Current  
2.7V To 5.5V Power Supply  
SPI Modes (0,0 & 1,1)  
8K X 8 Bits  
—32 Byte Page Mode  
Block Lock Protection  
—Protect 1/4, 1/2 or all of E2PROM Array  
Built-in Inadvertent Write Protection  
—Power-Up/Down protection circuitry  
—Write Enable Latch  
—Write Protect Pin  
Self-Timed Write Cycle  
—5ms Write Cycle Time (Typical)  
High Reliability  
The X25642 also features two additional inputs that  
provide the end user with added flexibility. By  
asserting the HOLD input, the X25642 will ignore tran-  
sitions on its inputs, thus allowing the host to service  
higher priority interrupts. The WP input can be used as  
a hardwire input to the X25642 disabling all write  
attempts to the status register, thus providing a mech-  
anism for limiting end user capability of altering 0, 1/4,  
1/2 or all of the memory.  
—Endurance: 100,000 cycles  
—Data Retention: 100 Years  
—ESD protection: 2000V on all pins  
Packages  
The X25642 utilizes Xicor’s proprietary Direct WriteTM  
cell, providing a minimum endurance of 100,000  
cycles and a minimum data retention of 100 years.  
—8-Lead PDIP  
—8-Lead SOIC  
—14-Lead SOIC  
—20-Lead TSSOP  
FUNCTIONAL DIAGRAM  
WRITE  
PROTECT  
LOGIC  
STATUS  
REGISTER  
X DECODE  
LOGIC  
8K BYTE  
ARRAY  
64  
64  
64 X 256  
64 X 256  
SO  
COMMAND  
DECODE  
AND  
CONTROL  
LOGIC  
SI  
SCK  
CS  
HOLD  
128  
128 X 256  
WRITE  
CONTROL  
AND  
TIMING  
LOGIC  
WP  
32  
8
Y DECODE  
DATA REGISTER  
3132 ILL F01.1  
Direct Write and Block Lock Protection is a trademark of Xicor, Inc.  
Xicor, Inc. 1994, 1995, 1996 Patents Pending  
3132-1.0 1/17/97 T5/C0/D1 SH  
1
Characteristics subject to change without notice  

X25642S 替代型号

型号 品牌 替代类型 描述 数据表
X24645S XICOR

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