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PDF MM1096 Data sheet ( Hoja de datos )
| Número de pieza | MM1096 | |
| Descripción | System Reset (Built-in Watch Dog Timer) | |
| Fabricantes | MITSUMI ELECTRIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MM1096 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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MITSUMI
System Reset (with built-in watchdog timer) MM1096
System Reset (with built-in watchdog timer)
Monolithic IC MM1096
Outline
This IC functions in a variety of CPU systems and other logic systems to generate a reset signal and reset the
system accurately during momentary interruption or lowering of power supply voltage.
It also has a built-in watchdog timer for operation diagnosis. This prevents the system from running wild by
generating an intermittent reset pulse during system mis-operation.
Features
1. Built-in watchdog timer
2. Low minimum operating voltage
130µA typ.
3. Low operating limit voltage
VCC=0.8V
4. Watchdog stop function (RCT pin)
5. Long clock monitoring time
TPR (POWER ON) : TWD (clock monitoring)=1 : 5
6. Few external parts
Package
DIP-8B (MM1096AD, MM1096BD)
SOP-8C (MM1096AF, MM1096BF)
SIP-8A (MM1096AS, MM1096BS)
Applications
1. Reset circuits in microcomputers, CPUs and MPUs
2. Logic circuit reset circuits
3. Microcomputer system monitoring, etc.
Pin Assignment
8765
1234
DIP-8B/SOP-8C
(TOP VIEW)
1 TC
2 NC
3 CK
4 GND
5 VCC
6 RCT
7 VS
------------------------------------------------------
8 RESET
12345678
SIP-8A
1 TC
2 NC
3 CK
4 GND
5 VCC
6 RCT
7 VS
------------------------------------------------------
8 RESET
1 page  
MITSUMI
Measuring Circuits
Measuring Circuit 1 (DC)
System Reset (with built-in watchdog timer) MM1096
Measuring Circuit 2 (AC)
Measuring Circuit 1 SW & Power Supply Table
Item
Symbol SW1
Consumption current ICC OFF
Detection voltage
VSL OFF
VSH OFF
CK input threshold VTH OFF
CK input current
IIH OFF
IIL OFF
Output voltage (High) VOH ON
VOL1 ON
Output voltage (Low)
VOL2 ON
Output sink current IOL1 OFF
CT charge current 1 ITC1 OFF
CT charge current 2 ITC2 OFF
Minimum operating power
------------------------------------------------------
VCCL
supply voltage to ensure RESET
ON
SW2
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
SW3
OFF
ON
ON
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
ON
SW4
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
SW5
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
SW6 VCC VCK
A 3.6V 3.6V
A 3.6V 3V 0V
A 3V 3.6V 0V
A 3.6V 0V 3V
A 3.6V 3.6V
A 3.6V 0V
A 3.6V 3.6V
A 3.6V 3.6V
A 3.6V 3.6V
B 3.6V 3.6V
A 3.6V
A 3.6V
A 0V 2V 0V
VCT
I RESET-----------------------------------------------
VM, IM
Notes
0V ICC
2V VO1, CRT1
2V VO1, CRT1
1V ICK, VCK
0V ICK
0V ICK
2V -1µA
VO1
2V 0.5mA VO1
2V 1.0mA VO1
2V IO1 VO=1V
1V ITC
IV ITC
0V VO1, VCC
Measuring Circuit 2 SW & Power Supply Table
Item
Symbol SW1 SW2
VCC input pulse width TP1 C
3.6V
B
2.8V
VCCA
T1
CK input pulse width TCKW A B
-
CK input cycle
TCK A B
Watchdog timer
monitoring time
TWD A
A
Reset time
TWR A
for watchdog timer
A
Reset hold time for
TPR B A A
power supply rise
Output delay time
from VCC
TPD C
3.6V
A
0V
Output rise time TR A A
Output fall time
TF A A
-
-
-
-
-
-
VCC
1.4V
-
0V
1.4V
3.6V
0V
1.4V
3.6V
0V
3.6V
3.6V
3.6V
-
3.6V
3.6V
VCKA
T2
T2
or
T2
-
-
-
-
-
-
VCK
T3
-
-
T2
T3
-
3.6V
3.6V
3.6V
CRT
CRT1
CRT2
CRT1
CRT2
CRT1
CRT2
CRT1
CRT2
CRT1
CRT2
CRT1
CRT2
Notes
T1=8µs
T2=3µs
T3=20µs
0V CRT1
3.6V CRT1
3.6V CRT1
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MM1096.PDF ] | |
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