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CAT25C256XA-1.8T2 PDF预览

CAT25C256XA-1.8T2

更新时间: 2024-11-05 03:06:59
品牌 Logo 应用领域
CATALYST 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
12页 444K
描述
128K/256K-Bit SPI Serial CMOS EEPROM

CAT25C256XA-1.8T2 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP8,.3针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.76
Is Samacsys:N最大时钟频率 (fCLK):0.2 MHz
数据保留时间-最小值:100耐久性:100000 Write/Erase Cycles
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:5.3 mm内存密度:262144 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:32768 words字数代码:32000
工作模式:SYNCHRONOUS最高工作温度:105 °C
最低工作温度:-40 °C组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.3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电源:2/5 V
认证状态:Not Qualified座面最大高度:2.03 mm
串行总线类型:SPI最大待机电流:0.00001 A
子类别:EEPROMs最大压摆率:0.01 mA
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):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
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:5.25 mm
最长写入周期时间 (tWC):10 ms写保护:HARDWARE/SOFTWARE
Base Number Matches:1

CAT25C256XA-1.8T2 数据手册

 浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第2页浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第3页浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第4页浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第5页浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第6页浏览型号CAT25C256XA-1.8T2的Datasheet PDF文件第7页 
CAT25C128/256  
128K/256K-Bit SPI Serial CMOS EEPROM  
FEATURES  
I Self-Timed Write Cycle  
I 64-Byte Page Write Buffer  
I Block Write Protection  
I 5 MHz SPI Compatible  
I 1.8 to 5.5 Volt Operation  
I Hardware and Software Protection  
I Low Power CMOS Technology  
I SPI Modes (0,0 &1,1)  
– Protect 1/4, 1/2 or all of EEPROM Array  
I 100,000 Program/Erase Cycles  
I 100 Year Data Retention  
I Industrial and Automotive  
I RoHS-compliant packages  
Temperature Ranges  
DESCRIPTION  
The CAT25C128/256 is a 128K/256K-Bit SPI Serial  
CMOS EEPROM internally organized as 16Kx8/32Kx8  
bits. Catalyst’s advanced CMOS Technology  
substantially reduces device power requirements. The  
CAT25C128/256 features a 64-byte page write buffer.  
The device operates via the SPI bus serial interface  
and is enabled through a Chip Select (CS). In addition  
to the Chip Select, the clock input (SCK), data in (SI)  
and data out (SO) are required to access the device.  
The HOLD pin may be used to suspend any serial  
communication without resetting the serial sequence.  
The CAT25C128/256 is designed with software and  
hardware write protection features including Block Lock  
protection. The device is available in 8-pin DIP, 8-pin  
SOIC, 14-pin TSSOP and 20-pin TSSOP packages.  
PIN CONFIGURATION  
BLOCK DIAGRAM  
TSSOP Package (Y14)**  
SOIC Package  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
CS  
(V**, X)  
V
SENSE AMPS  
SHIFT REGISTERS  
CC  
SO  
NC  
NC  
NC  
WP  
HOLD  
NC  
NC  
NC  
SCK  
SI  
1
2
3
4
8
7
6
5
V
CS  
SO  
WP  
CC  
HOLD  
SCK  
SI  
COLUMN  
DECODERS  
WORD ADDRESS  
BUFFERS  
V
SS  
V
8
SS  
TSSOP Package (Y20)**  
DIP Package (L)  
SO  
SI  
I/O  
CONTROL  
1
2
3
4
5
6
20  
19  
18  
17  
16  
NC  
CS  
NC  
1
2
3
4
8
7
6
5
V
CS  
SO  
CC  
V
CC  
CS  
EEPROM  
ARRAY  
HOLD  
SCK  
SI  
SPI  
CONTROL  
LOGIC  
XDEC  
HOLD  
HOLD  
NC  
SO  
SO  
NC  
NC  
WP  
WP  
WP  
SS  
HOLD  
SCK  
15  
14  
13  
12  
11  
NC  
SCK  
7
**CAT25C128 only.  
BLOCK  
PROTECT  
LOGIC  
V
SI  
NC  
NC  
8
SS  
NC  
NC  
9
10  
DATA IN  
STORAGE  
PIN FUNCTIONS  
Pin Name  
SO  
Function  
Serial data Output  
Serial Clock  
Write Protect  
Power Supply  
Ground  
HIGH VOLTAGE/  
TIMING CONTROL  
SCK  
WP  
VCC  
STATUS  
REGISTER  
VSS  
CS  
Chip Select  
SI  
HOLD  
NC  
Serial Data Input  
Suspends Serial Input  
No Connect  
For Ordering Information details, see page 11.  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Document No. 1018, Rev. I  
1

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