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CAT25C32Y20A-1.8TE13 PDF预览

CAT25C32Y20A-1.8TE13

更新时间： 2024-11-20 10:26:35
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光电二极管
页数 文件大小 规格书
11页 359K
描述
EEPROM, 4KX8, Serial, CMOS, PDSO20, LEAD FREE AND HALOGEN FREE, TSSOP-20

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CAT25C32Y20A-1.8TE13 数据手册

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(Not recommended for new design,  
replace with CAT25320)  
E
CAT25C32/64  
32K/64K-Bit SPI Serial CMOS EEPROM  
TM  
FEATURES  
■ 1,000,000 program/erase cycles  
■ 100 year data tetention  
■ Self-timed write cycle  
■ 10 MHz SPI compatible  
■ 1.8 to 6.0 volt operation  
■ Hardware and software protection  
■ Low power CMOS technology  
■ SPI modes (0,0 &1,1)  
■ 8-pin DIP/SOIC, 14-pin TSSOP and 20-pin  
TSSOP  
■ 64-Byte page write buffer  
■ Commercial, industrial and automotive  
■ Block write protection  
temperature ranges  
– Protect 1/4, 1/2 or all of EEPROM array  
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 CAT25C32/64 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 CAT25C32/  
64 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  
PIN CONFIGURATION  
DIP Package (P, L)  
SOIC Package (S, V)  
TSSOP Package (U14, Y14)  
TSSOP Package (U20, Y20)  
1
2
3
4
8
7
6
5
1
1
2
3
4
8
7
6
5
NC  
VCC  
HOLD  
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
8
NC  
CS  
SO  
SO  
NC  
NC  
WP  
SS  
NC  
NC  
20  
19  
18  
VCC  
HOLD  
NC  
NC  
NC  
V
CS  
SO  
WP  
CS  
SO  
NC  
NC  
NC  
WP  
CS  
SO  
CC  
CC  
2
HOLD  
SCK  
SI  
HOLD  
SCK  
SI  
3
WP  
17 HOLD  
NC  
16  
15 NC  
14 SCK  
13 SI  
12 NC  
11 NC  
4
V
V
5
SS  
SS  
6
SCK  
SI  
V
7
SS  
V
8
9
BLOCK DIAGRAM  
10  
SENSE AMPS  
SHIFT REGISTERS  
COLUMN  
DECODERS  
WORD ADDRESS  
BUFFERS  
PIN FUNCTIONS  
Pin Name  
Function  
SO  
SI  
I/O  
CONTROL  
SO  
Serial Data Output  
Serial Clock  
E2PROM  
ARRAY  
CS  
SPI  
CONTROL  
LOGIC  
XDEC  
SCK  
WP  
VCC  
VSS  
CS  
WP  
HOLD  
SCK  
Write Protect  
+1.8V to +6.0V Power Supply  
Ground  
BLOCK  
PROTECT  
LOGIC  
DATA IN  
STORAGE  
Chip Select  
SI  
Serial Data Input  
Suspends Serial Input  
HIGH VOLTAGE/  
TIMING CONTROL  
HOLD  
STATUS  
NC  
No Connect  
REGISTER  
© 2004 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc No. 1001, Rev. G  
1234567...11

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