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PDF ( 数据手册 , 数据表 ) MM1099

零件编号 MM1099
描述 System Reset (Built-in Watch Dog Timer)
制造商 MITSUMI ELECTRIC
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MM1099 数据手册, 描述, 功能
MITSUMI
System Reset (Built-in Watch Dog Timer) MM1099
System Reset (Built-in Watch Dog Timer)
Monolithic IC MM1099
Outline
The function of this IC series MM1099 is to accurately reset systems, a generating reset signal at the time of
instantaneous supply voltage off or lowering in varied CPU and other logic system.
Further, with the watch dog timer built-in it can diagnose the operation of the system, intermittently
generating reset pulses when they operate erroneously to prevent runaway.
Features
1. Built-in watch dog timer
2. Low current consumption
130µA TYP.
3. Low operating threshold voltage
VCC=0.8V
4. Watch dog stop function (RCT terminal)
5. Long clock monitoring time
TPR (POWER ON) : TWD (clock monitoring)=1 : 1
6. Fewer outer components
Package
DIP-8B (MM1099AD, MM1099BD)
SOP-8C (MM1099AF, MM1099BF)
SIP-8A (MM1099AS, MM1099BS)
Applications
1. Reset circuit for microcomputers, CPU and MPU.
2. Reset circuit for logic circuitry.
3. Monitoring of microcomputer system, etc.
Pin Assignmemt
8765
1234
SOP-8C/DIP-8B
1 TC
2 N.C
3 CK
4 GND
5 VCC 1 2 3 4 5 6 7 8
6 RCT
7 VS
-----------------------------------------------------------
8 RESET
SIP-8A
1 TC
2 N.C
3 CK
4 GND
5 VCC
6 RCT
7 VS
-----------------------------------------------------------
8 RESET












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