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TC1279-5ENBTR Folha de dados(PDF) 2 Page - Microchip Technology

Nome de Peças TC1279-5ENBTR
Descrição Electrónicos  3-Pin Reset Monitors for 5V Systems
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

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TC1278/TC1279
DS21384D-page 2
© 2007 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
Supply Voltage (VCC to GND)..............................+6.0V
RESET, RESET...........................-0.3V to (VCC + 0.3V)
Input Current, VCC ..............................................20 mA
Output Current, RESET......................................20 mA
Power Dissipation (TA ≤ 70°C)
3-Pin SOT-23 (derate 4mW/°C above +70°C)
................................................................230 mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range ..............-65°C to +150°C
† Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, TA = -40°C to +85°C. Typical values are at TA = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
VCC
1.2
5.5
V
Note 1
Low Level @ RESET (TC1278)
RESET (TC1279)
VOL
——
0.4
V
Note 1
Output Current @ 0.4 Volts
IOL
+8
mA
Note 2
Operating Current:
TC1278
ICC1
—0.9
2.0
mA
VCC > VCCTP(MAX), RESET = 1, (Note 3)
TC1279
40
µA
VCC > VCCTP(MAX), RESET = 1, Note 4
Operating Current:
TC1278
ICC2
40
µA
VCC < VCCTP(MIN), RESET = 0, (Note 4)
TC1279
—0.9
2.0
mA
VCC < VCCTP(MIN), RESET = 0, (Note 3)
VCC Trip Point (TC1278/9-5)
VCCTP-5
4.50
4.625
4.74
V
Note 1
VCC Trip Point (TC1278/9-10)
VCCTP-10 4.25
4.375
4.49
V
Note 1
VCC Trip Point (TC1278/9-15)
VCCTP-15 4.00
4.125
4.24
V
Note 1
Output Capacitance
COUT
—9
pF
Internal Pull-Up Resistor
RP
36
9
k
Ω
Note 1: All voltages referenced to ground.
2: A 1 k
Ω external resistor may be required in some applications for proper operation of the microprocessor
reset control circuit when using the TC1279. VCC = 1.8V.
3: Operating current is specified with the open-drain output in the active (“ON”) condition.
4: Operating current is specified with the open-drain output in the non-active (“OFF”) condition.


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