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PDF TC1270AN Data sheet ( Hoja de datos )

Número de pieza TC1270AN
Descripción Voltage Supervisor
Fabricantes Microchip Technology 
Logotipo Microchip Technology Logotipo



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No Preview Available ! TC1270AN Hoja de datos, Descripción, Manual

TC1270A/70AN/71A
Voltage Supervisor with Manual Reset Input
Features:
• Precision Voltage Monitor
- 2.63V, 2.93V, 3.08V, 4.38V and 4.63V Trip
Points (Typical)
• Manual Reset Input
• Reset Time-Out Delay:
- Standard: 280 ms (Typical)
- Optional: 2.19 ms, and 35 ms (Typical)
• Power Consumption 15 µA max
• No glitches on outputs during power-up
• Active Low Output Options:
- Push-Pull Output and Open-Drain Output
• Active High Output Option:
- Push-Pull Output
• Replacement for (Specification compatible with):
- TC1270, TC1271
- TCM811, TCM812
• Fully Static Design
• Low-Voltage Operation (1.0V)
• ESD Protection:
- 4 kV Human Body Model (HBM)
- 400V Machine Model (MM)
• Extended (E) Temperature Range:
-40°C to +125°C
• Package Options:
- 4-Lead SOT-143
- 5-Lead SOT-23
- Pb-free Device
Package Types
SOT-143
VSS 1
4 VDD VSS
SOT-143
1 4 VDD
RST 2
3 MR RST 2
3 MR
SOT-23-5
NC 1
VDD 2
MR 3
5 VSS
4 RST
SOT-23-5
NC 1
5 VSS
VDD 2
MR 3
4 RST
Functional Block Diagram
VDD
Voltage
Detector
Circuitry
Reset
Generator
and Delay
Timer
(2.19 ms,
35 ms,
280 ms)
RST
PP (TC1271A)
RST
PP (TC1270A)
RST
OD (TC1270AN)
18.5 k
MR Glitch Filter
Device Features
Output
Device
Type
Active
Level
Packages
Comment
TC1270A Push-Pull Low
TC1270AN Open-Drain Low
TC1271A Push-Pull High
2.19, 35,
280(1)
4.63, 4.38,
3.08, 2.93,
2.63(4)
1.0V to
5.5V
-40°C to
+125°C
SOT-143(2),
SOT-23-5
SOT-143(2),
SOT-23-5
SOT-143(2),
SOT-23-5
Replaces TC1270 and
TCM811
New Option
Replaces TC1271 and
TCM812
Note 1:
2:
3:
4:
The 280 ms Reset delay time-out is compatible with the TC1270, TC1271, TCM811 and TCM812 devices.
The SOT-143 package is compatible with the TC1270, TC1271, TCM811 and TCM812 devices.
Custom Reset trip points and Reset delays available, contact your local Microchip sales office.
The TC1270/1 and TCM811/12 1.75V trip point option is not supported.
2007-2011 Microchip Technology Inc.
DS22035D-page 1

1 page




TC1270AN pdf
TC1270A/70AN/71A
1.1 AC CHARACTERISTICS
1.1.1 TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created
following one of the following formats:
1. TppS2ppS
T
F Frequency
E Error
Lowercase letters (pp) and their meanings:
pp
io Input or Output pin
rx Receive
bitclk
RX/TX BITCLK
drt Device Reset Timer
Uppercase letters and their meanings:
S
F Fall
H High
I Invalid (High-impedance)
L Low
2. TppS
T
osc
tx
RST
P
R
V
Z
Time
Oscillator
Transmit
Reset
Period
Rise
Valid
High-impedance
Pin
FIGURE 1-1:
Test Load Conditions.
CL = 50 pF
VSS
2007-2011 Microchip Technology Inc.
DS22035D-page 5

5 Page





TC1270AN arduino
TC1270A/70AN/71A
Note: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, TA = –40°C to +125°C.
4.65
4.645
4.64
4.635
4.63
4.625
4.62
4.615
4.61
4.605
VTRIP (with VDD Rising)
VHYS
VTRIP (with VDD Falling)
-40 25 125
Temperature (°C)
0.4
0.38
0.36
0.34
0.32
0.3
0.28
0.26
0.24
0.22
0.2
FIGURE 2-13:
Temperature
VTRIP and VHYS vs.
(TC1270AL, TC1270ANL, TC1271AL
- 4.50V min./4.63V typ./4.75V max.).
0.12
0.1
0.08
0.06
0.04
0.02
0
0.00
2.0V
4.5V
3.0V
4.3V
4.4V
1.00
2.00
IOL (mA)
3.00
4.00
FIGURE 2-16:
VOL vs. IOL
(TC1270AL, TC1270ANL, TC1271AL
- 4.50V min./4.63V typ./4.75V max.).
3.086
3.084
3.082
3.08
3.078
3.076
3.074
3.072
3.07
3.068
3.066
VTRIP (with VDD Rising)
VHYS
VTRIP (with VDD Falling)
-40 25 125
Temperature (°C)
0.4
0.38
0.36
0.34
0.32
0.3
0.28
0.26
0.24
0.22
0.2
FIGURE 2-14:
Temperature
VTRIP and VHYS vs.
(TC1270AT, TC1270ANT, TC1271AT
- 3.00V min./3.08V typ./3.15V max.).
2.64
2.635
2.63
2.625
2.62
2.615
2.61
0.4
VTRIP (with VDD Rising) 0.38
0.36
0.34
0.32
0.3
VHYS
VTRIP (with VDD Falling)
0.28
0.26
0.24
0.22
0.2
-40 25 125
Temperature (°C)
FIGURE 2-15:
Temperature
VTRIP and VHYST vs.
(TC1270AR, TC1270ANR, TC1271AR
- 2.55V min./2.63V typ./2.70V max.).
0.25
0.2
0.15
3.2V
4.0V
3.15
0.1
0.05
5.5V
5.0V
4.5V
0
02468
IOL (mA)
FIGURE 2-17:
VOL vs. IOL
(TC1270AT, TC1270ANT, TC1271AT
- 3.00V min./3.08V typ./3.15V max.).
0.2
0.18
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
0
0
2.0V
2.5V
123
IOL (mA)
FIGURE 2-18:
VOL vs. IOL
(TC1270AR, TC1270ANR, TC1271AR
- 2.55V min./2.63V typ./2.70V max.).
2.45V
4
2007-2011 Microchip Technology Inc.
DS22035D-page 11

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