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CAT25C33LA-1.8TE13 PDF预览

CAT25C33LA-1.8TE13

更新时间: 2024-11-22 22:14:23
品牌 Logo 应用领域
CATALYST 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
11页 93K
描述
32K/64K-Bit SPI Serial CMOS EEPROM

CAT25C33LA-1.8TE13 数据手册

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E
CAT25C33/65  
32K/64K-Bit SPI Serial CMOS EEPROM  
TM  
FEATURES  
1,000,000 program/erase cycles  
100 year data tetention  
10 MHz SPI compatible  
1.8 to 6.0 volt operation  
Self-timed write cycle  
Hardware and software protection  
Low power CMOS technology  
SPI modes (0,0 &1,1)  
8-pin DIP/SOIC and 14-pin TSSOP  
64-byte page write buffer  
Block write protection  
Commercial, industrial, automotive and extended  
– Protect first page, last page, any 1/4 or lower  
1/2 of EEPROM array  
temperature ranges  
DESCRIPTION  
required to access the device. The HOLD pin may be  
used to suspend any serial communication without  
resetting the serial sequence. The CAT25C32/64 is  
designed with software and hardware write protection  
features including Block write protection. The device is  
available in 8-pin DIP, 8-pin SOIC, 14-pin TSSOP and  
20-pin TSSOP packages.  
The CAT25C33/65 is a 32K/64K-Bit SPI Serial CMOS  
EEPROM internally organized as 4Kx8/8Kx8 bits.  
Catalyst’s advanced CMOS Technology substantially  
reduces device power requirements. The CAT25C33/  
65 features a 64-byte page write buffer. The device  
operates via the SPI bus serial interface and is enabled  
thoughaChipSelect(CS). InadditiontotheChipSelect,  
the clock input (SCK), data in (SI) and data out (SO) are  
BLOCK DIAGRAM  
PIN CONFIGURATION  
SOIC Package (S, V) TSSOP Package (U14, Y14)  
SENSE AMPS  
SHIFT REGISTERS  
14  
13  
12  
11  
10  
9
8
1
2
3
4
5
6
7
VCC  
HOLD  
NC  
NC  
NC  
CS  
SO  
NC  
NC  
NC  
WP  
1
2
3
4
8
7
6
5
V
CS  
SO  
WP  
CC  
HOLD  
SCK  
SI  
COLUMN  
DECODERS  
WORD ADDRESS  
BUFFERS  
V
SS  
SCK  
SI  
V
SS  
SO  
SI  
I/O  
CONTROL  
DIP Package (P, L)  
1
2
3
4
8
7
6
5
E2PROM  
ARRAY  
V
CS  
CS  
SO  
CC  
SPI  
CONTROL  
LOGIC  
XDEC  
HOLD  
SCK  
SI  
WP  
HOLD  
SCK  
WP  
V
SS  
BLOCK  
PROTECT  
LOGIC  
PIN FUNCTIONS  
Pin Name  
Function  
DATA IN  
STORAGE  
SO  
Serial Data Output  
HIGH VOLTAGE/  
TIMING CONTROL  
SCK  
WP  
VCC  
VSS  
CS  
Serial Clock  
Write Protect  
STATUS  
REGISTER  
+1.8V to +6.0V Power Supply  
Ground  
Chip Select  
SI  
Serial Data Input  
Suspends Serial Input  
HOLD  
NC  
No Connect  
© 2004 by Catalyst Semiconductor, Inc.  
Doc No. 1000, Rev. F  
Characteristics subject to change without notice  

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