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PDF V6340P Data sheet ( Hoja de datos )

Número de pieza V6340P
Descripción Ultra Low Cost 3-Pin Microprocessor Reset
Fabricantes ETC 
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No Preview Available ! V6340P Hoja de datos, Descripción, Manual

R
EM MICROELECTRONIC-MARIN SA
V6340
Ultra Low Cost 3-Pin Microprocessor Reset
Features
n SOT-23 and TO-92 package
n Reset output state guaranteed down to VDD = 1 V at 25 OC
n Low supply current: stays stable during switching
versions B, N, N: typ. 19 µA at VDD = 5 V
other Versions: typ. 38 mA at VDD = 5 V,
n ±2.5% voltage threshold accuracy
n High noise immunity
n No external components required
n Push-pull or Open drain output
n Pin compatible with MAX 809 in SOT-23, by appropriate
layout on PCB
n Pin compatible with MC 33164 in TO-92 and SO8 1)
n TTL output compatibility
1) On request
Description
The V6340 monitors the supply voltage of any electronic
system, and generates the appropriate Reset signal. The
threshold must be chosen to the minimum allowed voltage
which guarantees the good functionality of the system. As long
as VDD stays upside this voltage level, the output stays inactive.
If VDD drops below VTH, the output gets active. The threshold
voltage may be obtained in different versions: 2.6 V, 3.0 V, 3.7 V
and 4.4 V.
Applications
Each applications needing a voltage detection :
n Computer electronics
n White / Brown goods
n Automotive electronics
n Industrial electronics
n Telecom systems
n Hand-held systems
Typical Operating Configuration
VDD
VDD
V 6340
VSS
RES
or
RES
Micro-
processor
GND
Pin Assignment
TO-92
View
Flat Front
V 6340
12 3
Fig. 1
SOT-23
RES
or
VDD
VSS
RES
VSS
3
V 6340
12
RES or
RES
VDD
Fig. 2
1

1 page




V6340P pdf
R
Typical Applications
Voltage Monitor with Manual Reset
VDD Use only an active low version
R1 VT = VTH + R1 - I DD
VDD
Voltage
Reference
-
+
Output
VSS
Solar Cell Power O.K. Indicator
Fig. 15
V6340
Reset Circuit with Hysteresis
22nF
Use only an active low version
VDD VT- = VTH + R1 - IDD
R1
VT+ = VTH + R1
VTH - VOL
R2
IDD
VDD
Voltage
Reference
-
+
R2
Output
VSS Fig. 16
VDD
Voltage
Reference
-
+
820 W
RES
HLMP-1700
VSS
Accurate High Voltage Monitoring
VIN
R1
Load
Fig. 17
R2
Use only a push-pull version
VT
=
R1
(IDD
+
VTH ) +
R2
VTH
Voltage
Reference
+
5
VCC
In1
VDD
Out1
OE VSS
Output
Fig. 18

5 Page










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