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TC1270AMBVCTTR Datenblatt(PDF) 3 Page - Microchip Technology

Teilenummer TC1270AMBVCTTR
Bauteilbeschribung  Voltage Supervisor with Manual Reset Input
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Hersteller  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC1270AMBVCTTR Datenblatt(HTML) 3 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS22035B-page 3
TC1270A/70AN/71A
Reset Threshold Tempco
±30
ppm/°C
Reset Trip Point
Hysteresis (4)
VHYS
0.3
%
Percentage of VTRIP Voltage
MR Input High Threshold
VIH
2.3
V
VDD > VTRIP(MAX), L/M only
0.7 VDD
——
V
VDD > VTRIP(MAX), R/S/T only
MR Input Low Threshold
VIL
——
0.8
V
VDD > VTRIP(MAX), L/M only
0.25 VDD
VVDD > VTRIP(MAX), R/S/T only
MR Pull-up Resistance
10
18.5
40
k
Ω
Open-Drain High Voltage
on Output
VODH
13.5
V
Open-Drain Output pin only.
VDD = 3.0V, Time voltage > 5.5
applied
≤ 100s. Current into pin
limited to 2 mA +25°C operation
recommended (Note 6)
Reset
Output
Voltage
Low (2)
TC1270A/
TC1270AN
VOL
0.3
V
R/S/T only,
ISINK = 1.2 mA, VDD = VTRIP(MIN)
TC1271A
0.3
V
R/S/T only,
ISINK = 1.2 mA, VDD = VTRIP(MAX)
TC1270A/
TC1270AN
0.4
V
L/M only,
ISINK = 3.2 mA, VDD = VTRIP(MIN)
TC1271A
0.3
V
L/M only,
ISINK = 3.2 mA, VDD = VTRIP(MAX)
TC1270A/
TC1270AN
0.3
V
L/M only,
ISINK = 50 µA, VDD > 1.0V
Reset
Output
Voltage
High (2)
TC1270A
VOH
0.8 VDD
V
R/S/T only,
ISOURCE = 500 µA, VDD = VTRIP(MAX)
TC1270A
VDD - 1.5
V
L/M only,
ISOURCE = 800 µA, VDD = VTRIP(MAX)
TC1271A
0.8 V
DD
——
V
ISOURCE = 500 µA, VDD ≤ VTRIP(MIN)
Input Leakage Current
IIL
——
±1
µA
VPIN = VDD
Open-Drain RST Output
Leakage
IOLOD
1
µA
Open-Drain configuration only.
Capacitive Loading
Specification on Output
Pins
CIO
50
pF
ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, VDD = 5V for L/M versions, VDD = 3.3V for T/S versions,
VDD = 3V for R version, TA = -40°C to +125°C. Typical values are at TA = +25°C.
Parameter
Sym
Min
Typ(1)
Max
Units
Test Conditions
Note 1:
Data in the Typical (“Typ”) column is at 5V, +25
°C, unless otherwise stated.
2:
RST output for TC1270A, and TC1270AN, RST output for TC1271A.
3:
TC127XA refers to either the TC1270A, TC1270AN or TC1271A device.
4:
Hysteresis is within the VTRIP(MIN) to VTRIP(MAX) window.
5:
Custom ordered Voltage Trip Point. Minimum order volume requirement.
6:
This specification allows this device to be used in PIC® microcontroller applications that require the
In-Circuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for
voltage requirements). The total time that the RST pin can be above the maximum device operational
voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the
device operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional
information, refer to Figure 2-41.


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