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CAT28C64BG-12T 参数 Datasheet PDF下载

CAT28C64BG-12T图片预览
型号: CAT28C64BG-12T
PDF下载: 下载PDF文件 查看货源
内容描述: 64K位CMOS并行EEPROM [64K-Bit CMOS PARALLEL EEPROM]
分类和应用: 内存集成电路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
文件页数/大小: 13 页 / 415 K
品牌: CATALYST [ CATALYST SEMICONDUCTOR ]
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E
CAT28C64B  
64K-Bit CMOS PARALLEL EEPROM  
TM  
FEATURES  
I Fast read access times:  
I Commercial, industrial and automotive  
– 90/120/150ns  
temperature ranges  
I Low power CMOS dissipation:  
– Active: 25 mA max.  
I Automatic page write operation:  
– 1 to 32 bytes in 5ms  
– Standby: 100 µA max.  
– Page load timer  
I Simple write operation:  
I End of write detection:  
– Toggle bit  
– On-chip address and data latches  
– Self-timed write cycle with auto-clear  
DATA polling  
I Fast write cycle time:  
I 100,000 program/erase cycles  
I 100 year data retention  
– 5ms max.  
I CMOS and TTL compatible I/O  
I Hardware and software write protection  
DESCRIPTION  
The CAT28C64B is manufactured using Catalyst’s  
advancedCMOSfloatinggatetechnology.Itisdesigned  
to endure 100,000 program/erase cycles and has a data  
retentionof100years.ThedeviceisavailableinJEDEC-  
approved 28-pin DIP, TSOP, SOIC, or, 32-pin PLCC  
package .  
The CAT28C64B is a fast, low power, 5V-only CMOS  
Parallel EEPROM organized as 8K x 8-bits. It requires a  
simple interface for in-system programming. On-chip  
address and data latches, self-timed write cycle with  
auto-clear and VCC power up/down write protection  
eliminate additional timing and protection hardware.  
DATA Polling and Toggle status bits signal the start and  
end of the self-timed write cycle. Additionally, the  
CAT28C64B features hardware and software write  
protection.  
BLOCK DIAGRAM  
8,192 x 8  
EEPROM  
ARRAY  
ROW  
DECODER  
ADDR. BUFFER  
& LATCHES  
A A  
5
12  
INADVERTENT  
WRITE  
PROTECTION  
HIGH VOLTAGE  
GENERATOR  
32 BYTE PAGE  
REGISTER  
V
CC  
CE  
OE  
WE  
CONTROL  
LOGIC  
I/O BUFFERS  
DATA POLLING  
AND  
TIMER  
TOGGLE BIT  
I/O I/O  
0
7
ADDR. BUFFER  
& LATCHES  
A A  
COLUMN  
DECODER  
0
4
Doc. No. 1011, Rev. F  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
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