파트넘버.co.kr H6052 데이터시트 PDF


H6052 반도체 회로 부품 판매점

3-Pin Voltage Surveillance with Time-out



ETC 로고
ETC
H6052 데이터시트, 핀배열, 회로
EM MICROELECTRONIC-MARIN SA
H6052
3-Pin Voltage Surveillance with Time-out
Features
n Proper microprocessor restart after power up
n Processor reset at power down
n On-chip oscillator gives a typical POR of 160 ms
n Reset output working down to 1.6 V
n No external components required
n Very small mounting space
n TO-92 package
n SOT-223 package
n Sensitivity typically 10 µs
Typical Operating Configuration
Description
The H6052 is a CMOS device whichmonitors the supply voltage
and controls the reset of the microprocessor. Upon the supply
voltage rising above VTH ON, the reset output, whether RES or
RES, will remain active (RES = 1, RES = 0) for an additional 160
ms. This allows the system voltage and the oscillator of the
microprocessor system to stabilize before the system becomes
fully active. When VDD drops below VTH OFF, the reset output
goes active (RES = 1, RES = 0).
Applications
All microprocessor and microcontroller applications where an
automatic restart of the micreoprocessor after power down is
required:
n White goods
n Brown goods
n Automotive electronics
n Industrial electronics
1


H6052 데이터시트, 핀배열, 회로
Absolute Maximum Ratings
Table 1
Stresses above these listed maximum ratings may cause
permanent damage to the device. Exposure beyond specified
operating conditions may affect device reliability or cause
malfunction.
H6052
Handling Procedures
This device has built-in protection against high static voltages
or electric fields; however, anti-static precautions precautions
be taken as for any other CMOS component. Unless otherwise
specified, proper operation can only occur when all terminal
voltages are kept within the supply voltage range. Unused
inputs must always be tied to a defined logic voltage level.
Operating Conditions
Parameter
Operating temperature
Positive supply voltage
Symbol Min. Typ. Max. Units
TA -40
VDD 1.6
+85 OC
5.5 V
Table 2
Electrical Characteristics
VDD = 5.0 V 10%, TA = -40 to +85OC, unless otherwise specified
Parameter
Symbol Test Conditions
Supply current
Supply voltage:
Power on threshold*
Power off threshold*
IDD
VTH ON
VTH OFF
RES or RES open
TA = +25OC
TA = +25OC
RES Output High Level
RES Output Low Level
RES Output Low Level
VOH IOH = 2 mA
VOL VDD = 3.5 V, IOL = 2mA
VOL VDD = 1.6 V, IOL = 400 µA
RES Output Low Level
RES Output High Level
RES Output High Level
VOL IOL = 4 mA
VOH VDD = 3.5 V, IOH = 1.5 mA
VOH VDD = 1.6 V, IOH = 80 µA
* VTH ON is related to VTH OFF. Typically, VTH OFF = VTH ON - 0.8 V
Timing Characteristics
VDD = 5.0 V 10%, TA = -40 to +85OC, unless otherwise specified
Parameter
Symbol Test Conditions
Power on reset
Power on reset
tPOR
tPOR
TA = +25OC
Min.
3.6
2.8*
VDD - 0.4
Typ.
80
4
3.2*
VDD - 0.4
VDD - 0.4
Max.
140
4.4
3.6*
0.4
0.4
0.4
Units
µA
V
V
V
V
V
V
V
V
Table 3
Min.
100
Typ.
160
Max.
350
250
Units
ms
ms
Table 4
2




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3-Pin Voltage Surveillance with Time-out - ETC