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TS803RCXBRF Folha de dados(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

Nome de Peças TS803RCXBRF
Descrição Electrónicos  Microprocessor Reset Circuit
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Fabricante Electrônico  TSC [Taiwan Semiconductor Company, Ltd]
Página de início  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

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TS803
Microprocessor Reset Circuit
1/6
Version: A07
SOT-23
General Description
The TS803/TS803R are microprocessor (µP) supervisory circuit used to monitor the power supplies in µP and digital
systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments
when used with +5V, +3.3V, +3.0V powered circuits. These circuits perform a single function: they assert a reset
signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms
after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply
voltages are available. The TS803/TS803R are open –drain outputs. The TS803/TS803R have an active low RESET
output, while the TS803/TS803R has an active high RESET output. The reset comparator is designed to ignore fast
transients on VCC, and the output guaranteed to be in the correct logic state for VCC down to 1V. Low supply correct
makes the TS803/TS803R ideal for use in portable equipment.
Features
Precision monitoring of +3V, +3.3V & +5V power
supply voltage
Fully specified over temperature
Available in three output configurations
Open-Drain RESET low output
3uA supply current
Guaranteed reset valid to Vcc = +1V
Power supply transient immunity
No external components
Applications
Computers
Controllers
Intelligent Instruments
Critical uP and uC power monitoring
Portable / Battery Power Equipment
Automotive
Ordering Information
Note: x is the threshold voltage type, option as
TS803 Threshold Voltage
A : 4.63V
B : 4.38V
C : 4.00V
D : 3.08V
E : 2.93V
F : 2.63V
G : 2.32V
H : 2.1V
I : 2.0V
J : 1.8V
K :1.6V
TS803R Threshold Voltage
B : 4.20V
E : 2.93V
F : 2.70V
Contact factory for additional voltage options.
Part No.
Package
Packing
TS803CXx RF
SOT-23
3Kpcs / 7” Reel
TS803RCXx RF
SOT-23
3Kpcs / 7” Reel
Absolute Maximum Rating
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
7
V
RESET & (RESET) Open Drain
VRESET
- 0.3 ~ (VCC +0.3)
V
Input Current, VCC
ICC
20
mA
Output Current, RESET
IO
20
mA
Rate of Rise, VCC
VR
100
V/uS
ESD Classification
B
Note: Stress above the listed absolute maximum rating may cause permanent damage to the device
HBM B: 2000V~3999V
Pin Definition:
TS803
TS803R
1. Ground
1. Reset
2. Reset
2. Ground
3. Vcc
3. Vcc


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