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93C66 参数 Datasheet PDF下载

93C66图片预览
型号: 93C66
PDF下载: 下载PDF文件 查看货源
内容描述: 4096位串行CMOS EEPROM ( MICROWIRE⑩同步总线) [4096-Bit Serial CMOS EEPROM (MICROWIRE⑩ Synchronous Bus)]
分类和应用: 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 / 116 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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FM93C66 4096-Bit Serial CMOS EEPROM
(MICROWIRE
TM
Synchronous Bus)
July 2000
FM93C66
4096-Bit Serial CMOS EEPROM
(MICROWIRE™ Synchronous Bus)
General Description
FM93C66 is a 4096-bit CMOS non-volatile EEPROM organized
as 256 x 16-bit array. This device features MICROWIRE interface
which is a 4-wire serial bus with chipselect (CS), clock (SK), data
input (DI) and data output (DO) signals. This interface is compat-
ible to many of standard Microcontrollers and Microprocessors.
There are 7 instructions implemented on the FM93C66 for various
Read, Write, Erase, and Write Enable/Disable operations. This
device is fabricated using Fairchild Semiconductor floating-gate
CMOS process for high reliability, high endurance and low power
consumption.
“LZ” and “L” versions of FM93C66 offer very low standby current
making them suitable for low power applications. This device is
offered in both SO and TSSOP packages for small space consid-
erations.
Features
I
Wide V
CC
2.7V - 5.5V
I
Typical active current of 200µA
10µA standby current typical
1µA standby current typical (L)
0.1µA standby current typical (LZ)
I
No Erase instruction required before Write instruction
I
Self timed write cycle
I
Device status during programming cycles
I
40 year data retention
I
Endurance: 1,000,000 data changes
I
Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP
Functional Diagram
CS
SK
DI
INSTRUCTION
REGISTER
V
CC
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
ADDRESS
REGISTER
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
DECODER
EEPROM ARRAY
16
READ/WRITE AMPS
16
V
SS
DATA IN/OUT REGISTER
16 BITS
DO
DATA OUT BUFFER
© 2000 Fairchild Semiconductor International
FM93C66 Rev. C.1
1
www.fairchildsemi.com