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PDF IL1705 Data sheet ( Hoja de datos )
| Número de pieza | IL1705 | |
| Descripción | Micro Monitor Supply Control | |
| Fabricantes | IK Semicon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IL1705 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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TECHNICAL DATA
Micro Monitor Supply Control
IN1705
The IN1705 is designed to control power supply and to start mi-
crocontroller and microprocessor systems. It is used for securing sta-
ble functioning of the system when starting and halting the device as
well as in the case of the supply voltage drops.
Manufactured in 8-pin SOIC/DIP package MS-012AA.
LSI features:
• rated supply voltage 5.0 V;
• generation of reset signal when power supply is on for
correct start of microprocessor;
• generation of reset signal when power supply drops below
the operating one to avoid incorrect functioning of
microprocessor;
• generation of reset signal when pushing reset button;
• possibility to program threashold voltage
at which reset signal is generated.
ORDERING INFORMATION
IL1705N Plastic
IL1705D SOIC
TA = -40° to 85° C for all packages.
The IN1705 contains a source of reference voltage,
two analog comparators, watchdog timer, digital sampler,
digital delay.
Functions:
• generation of reset signal per fixed level of supply
voltage;
• generation of reset signal from external “Reset” button;
• generation of signal of watchdog timer status;
• emergency interruption of primary power source.
PBRST 1
Vcc 2
GND 3
IN 4
8 WDS
7 RST
6 ST
5 NMI
Fig. 2 – Pin assignment
2011, February, Rev. 01
Free Datasheet http://www.datasheet4u.com/
1 page  
IN1705
Timing diagrams
______
PBRST
tPB
tPDLY
V IL
____
RST
V IH
tRST
V OH
Fig. 3 – Timing diagram of forming reset signal from external PBRST control button
Invalid
___ strobe
ST
Valid
strobe
____
WDS
t ST
MIN
t TD
___
RST
Reset initiated
by pushbutton
Fig. 4 – Timing diagram: strobe input
Indeterminate
strobe
MAX
2011, February, Rev. 01
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IL1705.PDF ] | |
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