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X25320PM-2.7 PDF预览

X25320PM-2.7

更新时间: 2024-11-28 22:08:03
品牌 Logo 应用领域
XICOR 存储内存集成电路光电二极管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
页数 文件大小 规格书
15页 72K
描述
SPI Serial E2PROM With Block LockTM Protection

X25320PM-2.7 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:PLASTIC, DIP-8Reach Compliance Code:unknown
风险等级:5.89Is Samacsys:N
其他特性:DATA RETENTION > 100 YEARS最大时钟频率 (fCLK):2 MHz
数据保留时间-最小值:100耐久性:100000 Write/Erase Cycles
JESD-30 代码:R-PDIP-T8JESD-609代码:e0
长度:10.03 mm内存密度:32768 bit
内存集成电路类型:EEPROM内存宽度:8
功能数量:1端子数量:8
字数:4096 words字数代码:4000
工作模式:SYNCHRONOUS最高工作温度:125 °C
最低工作温度:-55 °C组织:4KX8
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
并行/串行:SERIAL峰值回流温度(摄氏度):NOT SPECIFIED
电源:3/5 V认证状态:Not Qualified
座面最大高度:4.32 mm串行总线类型:SPI
最大待机电流:0.000001 A子类别:EEPROMs
最大压摆率:0.005 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mm最长写入周期时间 (tWC):10 ms
写保护:HARDWARE/SOFTWAREBase Number Matches:1

X25320PM-2.7 数据手册

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APPLICATION NOTE  
A V A I L A B L E  
AN61  
32K  
X25320  
4K x 8 Bit  
SPI Serial E2PROM With Block LockTM Protection  
FEATURES  
DESCRIPTION  
• 2MHz Clock Rate  
• SPI Modes (0,0 & 1,1)  
• 4K X 8 Bits  
32 Byte Page Mode  
The X25320 is a CMOS 32768-bit serial E2PROM,  
internally organized as 4K x 8. The X25320 features a  
Serial Peripheral Interface (SPI) and software protocol  
allowing operation on a simple three-wire bus. The bus  
signalsareaclockinput(SCK)plusseparatedatain(SI)  
and data out (SO) lines. Access to the device is con-  
trolled 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 During Write  
• 2.7V To 5.5V Power Supply  
• Block Lock Protection  
The X25320 also features two additional inputs that  
provide the end user with added flexibility. By asserting  
the HOLD input, the X25320 will ignore transitions on its  
inputs, thus allowing the host to service higher priority  
interrupts.TheWPinputcanbeusedasahardwireinput  
to the X25320 disabling all write attempts to the status  
register, thus providing a mechanism for limiting end  
usercapabilityofaltering0, 1/4, 1/2orallofthememory.  
Protect 1/4, 1/2 or all of E2PROM Array  
• Built-in Inadvertent Write Protection  
Power-Up/Power-Down protection circuitry  
Write Enable Latch  
Write Protect Pin  
• Self-Timed Write Cycle  
5ms Write Cycle Time (Typical)  
• High Reliability  
Endurance: 100,000 cycles  
Data Retention: 100 Years  
ESD protection: 2000V on all pins  
• 8-Lead PDlP Package  
The X25320 utilizes Xicor’s proprietary Direct Write™  
cell, providing a minimum endurance of 100,000 cycles  
and a minimum data retention of 100 years.  
• 8-Lead SOIC Package  
• 14-Lead TSSOP Package  
FUNCTIONAL DIAGRAM  
WRITE  
STATUS  
PROTECT  
REGISTER  
LOGIC  
X DECODE  
LOGIC  
4K BYTE  
ARRAY  
32  
32  
64  
32 X 256  
32 X 256  
SO  
COMMAND  
DECODE  
AND  
CONTROL  
LOGIC  
SI  
SCK  
CS  
HOLD  
64 X 256  
WRITE  
CONTROL  
AND  
TIMING  
LOGIC  
WP  
32  
8
Y DECODE  
DATA REGISTER  
3063 ILL F01  
Direct Write™ and Block Lock™ Protection is a trademark of Xicor, Inc.  
©Xicor, Inc. 1994, 1995, 1996 Patents Pending  
3063-3.9 6/11/96 T4/C1/D0 NS  
Characteristics subject to change without notice  
1

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