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TS823 Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

Part No. TS823
Description  Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
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Maker  TSC [Taiwan Semiconductor Company, Ltd]
Homepage  http://www.taiwansemi.com
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TS823/824/825
2-6
2003/12 rev. A
Absolute Maximum Rating
Supply Voltage
Vdd
6.0
V
Supply Voltage - Recommended
Vdd
0.9 ~ 5
V
Operating Junction Temperature Range
TOP
-40 ~ +125
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Caution: stress above the listed absolute rating may cause permanent damage to the device
Thermal Information
Thermal Resistance
Θjc
256
oC/W
Maximum Junction Temperature
Tj
150
V
Maximum Lead Temperature (300
oC)
TLEAD
10
S
Electrical Characteristics
Ta = 25
oC, unless otherwise specified.
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Input Supply Voltage
Vdd
1.0
--
5.5
V
Supply Current
WDI and MRB unconnected
Idd
--
3
10
uA
TS823/824/825CX5A
4.56
4.63
4.7
TS823/824/825CX5B
4.31
4.38
4.45
TS823/824/825CX5D
3.03
3.08
3.13
TS823/824/825CX5E
2.89
2.93
2.97
TS823/824/825CX5F
2.59
2.63
2.67
TS823/824/825CX5G
2.28
2.32
2.36
Reset Threshold
TS823/824/825CX5H
VTH
2.15
2.19
2.23
V
RESET Output Voltage Low
Vdd < VTH(MIN), ISINK =1.2mA,
VOL
--
--
0.5
V
(RESET) Output Voltage High
Vdd > VTH(MAX), ISOURCE=0.5mA
VOH
0.8 Vdd
--
--
V
Vdd to Reset Delay
Vdd = VTH - 100mV
TD1
--
40
--
uS
Reset Active Timeout Period
Ta = -40
oC ~ +85 oC
TD2
140
210
280
mS
Watchdog Timeout Period
TWD
1120
1760
2400
mS
WDI Pulse Width
TWDI
50
--
--
nS
WDIIL
--
--
0.7
V
WDI Input Threshold
Vdd = VTH x 1.2
WDIIH
0.8 Vdd
--
--
V
WDI = 0V
IIL
-15
-8
0.7
uA
WDI Input Current
WDI = Vdd = 5V
IIH
--
8
15
uA
MRIL
--
--
0.7
V
MR Input Threshold
Vdd = VTH x 1.2
MRIH
0.8 Vdd
--
--
V
MR Pulse Width
TWMR
1
--
--
uS
MR Noise Immunity
Pulse width with no reset
--
100
--
nS
MR to Reset Delay
Vdd = VTH - 100mV
TDMR
--
500
--
nS
MR Pull Up Resistance
80
--
120
KΩ




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