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TC1272AZVNBTR View Datasheet(PDF) - Microchip Technology

Part NameTC1272AZVNBTR Microchip
Microchip Technology Microchip
Description3-Pin Reset Monitor
TC1272AZVNBTR Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TC1272A
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
Supply Voltage (VDD to GND) ..........................................6.0V
RESET .................................................. –0.3V to (VDD +0.3V)
Input Current, VDD.........................................................20 mA
Output Current, RESET ................................................20 mA
dV/dt (VDD)............................................................. 100V/µsec
Operating Temperature Range..................... –40°C to +125°C
Power Dissipation (TA = 70°C):
3-Pin SOT-23B (derate 4 mW/°C above +70°C) ....320 mW
Storage Temperature Range........................ –65°C to +150°C
Maximum Junction Temperature, TJ.............................. 150°C
† Notice: Stresses above those listed under “Maximum
ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
PIN FUNCTION TABLE
NAME
GND
RESET
VDD
FUNCTION
Ground
RESET push-pull output remains
low while VDD is below the reset
voltage threshold and for 140 msec
(min.) after VDD rises above reset
threshold
ELECTRICAL CHARACTERISTICS
VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25°C,
VDD = 5V for L/M/J, 3.3V for T/S, 3.0V for R and 2.5V for Z (Note 1).
Parameter
Sym
Min
Typ
Max Units
Test Conditions
VDD Range
Supply Current
ICC
Reset Threshold (Note 2) VTH
Reset Threshold Tempco
1.0
1.2
4.56
4.50
4.31
4.25
3.93
3.89
3.04
3.00
2.89
2.85
2.59
2.55
2.28
2.25
5.5
V TA = 0°C to +70°C
5.5
TA = – 40°C to +125°C
12
30
µA TC1272AL/M/J: VDD < 5.5V
9
25
TC1272AR/S/T/Z: VDD < 3.6V
4.63
4.70
V TC1272AL:
TA = +25°C
4.75
TA = – 40°C to +125°C
4.38
4.45
V TC1272AM:
TA = +25°C
4.50
V
TA = – 40°C to +125°C
4.00
4.06
V TC1272AJ:
TA = +25°C
4.10
V
TA = – 40°C to +125°C
3.08
3.11
V TC1272AT:
TA = +25°C
3.15
V
TA = – 40°C to +125°C
2.93
2.96
V TC1272AS:
TA = +25°C
3.00
V
TA = – 40°C to +125°C
2.63
2.66
V TC1272AR:
TA = +25°C
2.70
V
TA = – 40°C to +125°C
2.32
2.35
V TC1272AZ:
TA = +25°C
2.38
V
TA = – 40°C to +125°C
30
— ppm/°C
VDD to Reset Delay,
Reset Active Time Out
Period
65
µsec VDD = VTH to (VTH – 100 mV) (Note 2)
140
320
560 msec
RESET Output Voltage
VOL
Low
0.3
V TC1272AR/S/T/Z: VDD = VTH min, ISINK = 1.2 mA
0.4
TC1272AL/M/J: VDD = VTH min, ISINK = 3.2 mA
0.3
VDD > 1.0V, ISINK = 50 µA
RESET Output Voltage
VOH 0.8 VDD
V TC1272AR/S/T/Z: VDD > VTH max,
High
ISOURCE = 500 µA
VDD – 1.5
TC1272AL/M/J: VDD > VTH max, ISOURCE = 800 µA
Note 1: Production testing done at TA = +25°C, overtemperature limits ensured by QC screen.
2: RESET Output for TC1272A.
DS21877A-page 2
2004 Microchip Technology Inc.
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