TS834-5I ,MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMERTS834 MICROPOWER VOLTAGE SUPERVISORRESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMER.ULTRA LOW POWER ..
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TS83C51RC2-MCB , High Performance 8-bit Microcontroller
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UA9636ACD ,Dual Line Driver With Adjustable Slew Ratemaximum ratings over operating free-air temperature range (unless otherwise noted)Positive supply v ..
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UA9637ACDR ,Dual Differential Line Receivermaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
TS834-5I
MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMER
TS834MICROPOWER VOLT AGE SUPERVISOR
RESET ACTIVE LOW OR HIGH WITH INTEGRA TED TIMER
DIP8(Plastic Package) ULTRA LOW POWER CONSUMPTION: 12μA
max.@VCC =5V. BOTH ACTIVE HIGH AND ACTIVE LOW
OUTPUTS. RESET TIMER WITH DISABLE FUNCTION. PRECISION RESET THRESHOLD (guaran-
teed over Temperature). 4.33V typ. THRESHOLD VOLTAGE
GUARANTEED RESET OPERATION DOWN 1.5V. OPEN DRAIN OUTPUT WITH
Vol= 450mVtyp.@Iol= 8mA&VCC =4V. FAST RESPONSE TIME: 20μs FORA 10mV
OVERDRIVE. 100mV INTERNAL HYSTERESIS
DESCRIPTIONThe TS834isa voltage supervisor providing two
different outputs (one active low and one active
high) with anintegratedtimer that canbedisabled. incorporatesa high stability bandgap voltageref-
erence anda comparator with open drain output.
The threshold voltageissetat 4.33Vby internal
thermally matched resistors.
The comparator exhibitsa 20μs response (with
10mV overdrive). internal hysteresisof 100mV increases the
comparator noise marginandpreventsfalse reset
operation.
APPLICATIONS. Computers. Microcontrollers. Microprocessor systems. Intelligent instruments
ORDER CODES
Part Number Temperature Range Package
NDPTS834-5I -40, +85C •••
SO8(Plastic Micropackage)
ResetLow
Vcc
Gnd
ResetHigh
Timer Control*
*Thispinmustbe connectedtoVccorGnd
PIN CONNECTIONS
TSSOP8(Thin Shrink Small Outline Package)
TS834
OPERATING CONDITIONS
Symbol Parameter Value UnitCC Supply Voltage 1.5to5.5 V
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value UnitVCC Supply Voltage- note1 7 V
Vout Output Voltage- note1 -0.3to VCC+0.3 V
Iout Output Current 20 mA Power Dissipation- note2 SO8
DIP8
TSSOP8
Toper Operating FreeAir Temperature Range -40to +85C
Tstg Storage Temperature -65to +150C
Note:1.All voltages values, except differential voltagearewith respectto network ground terminal. Tj=150C,Tamb=25CwithRthja=175C/WforSO8 package
Rthja=100C/Wfor DIP8 package
Rthja=200C/Wfor TSSOP8package
TS834-5
ELECTRICAL CHARACTERISTICSTamb =25C (unless otherwise specified)
Symbol Parameter Test Condition
Min. Typ. Max. UnitVthi Threshold Voltage
VCC Increasing
Tamb =25C
-40≤Tamb≤+85oC 4.10
Vthd Threshold VoltageCC Decreasing Tamb =25oC
-40≤Tamb≤+85oC 4.10
Vhys Hysteresis Voltage 50 100 200 mV
ICC Current Consumption VCC =5V 12 μA
VOL1 Low Level Output Voltage
(OUTPUT1)
VCC=4V,IOL= 8mA,
-40≤Tamb≤+85C
450 800
VOL2 Low Level Output Voltage
(OUTPUT2)
VCC=5V,IOL= 8mA,
-40≤Tamb≤+85C
450 800
IOH1 Output Off-state Leakage current
(OUTPUT1)
VCC =5V
-40≤Tamb≤+85C
IOH2 Output Off-state Leakage current
(OUTPUT2)
VCC =4V
-40≤Tamb≤+85C
tphl Response Time Highto Low RL= 10kΩ,CL= 15pFCC=Vthd -10mV μs
TS834Timer
Vcc+
Input
Vref
GND
Timer Control
RESET
OUTPUT
RESET
OUTPUT
Vcc
Vcc
Timer enable: timer controltoVcc
Timer disable: timer controltoGnd
TIMING DIAGRAMSAllthe timing diagramsare given with outputs loadedby 10kWresistorsto VCC.
Active Low Reset, Timer Enabled Active Low Reset, Timer Disabled
Active High Reset, Timer DisabledActive High Reset, Timer Enabled
TS834
Voltage Threshold (Vthi)vs Temperature Current Consumptionvs Temperature
Timer Period (trst)vs Temperature Volvs Temperature
Output Voltagevs InputOutput Voltagevs Input
TS834
Volvs IsinkTS834
Reset =low
Vcc=4V
TS834
Reset=low
Vcc=5V
Isink
Vcc
Isink
Vcc
Schematicto MeasureVolvs Isink
Reset Low After Vcc Transition
(timer disabled)
Reset High After Vcc Transition
(timer disabled)
TS834
PACKAGE MECHANICAL DATA PINS- PLASTIC PACKAGE
Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max. 3.32 0.131 0.51 0.020 1.15 1.65 0.045 0.065 0.356 0.55 0.014 0.022 0.204 0.304 0.008 0.012 10.92 0.430 7.95 9.75 0.313 0.384 2.54 0.100 7.62 0.300 7.62 0.300 6.6 0260 5.08 0.200 3.18 3.81 0.125 0.150 1.52 0.060
