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GS6332 and GS6333
Vishay
formerly General Semiconductor
3 Pin, Low-Power, P Reset Circuits
Pin Configuration SOT-23 (Top View)
Description
* The GS6333 and GS6332 are system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required.
GND
1 3 Vcc
Reset/ Reset
2
* When the processor power supply voltage drops below the reset threshold, the reset output is driven active, in less than 40s (TD1). Reset is maintained active for a time period (TD2), after the Vcc rises above the threshold voltage. * To prevent jitter, the reset threshold voltage has a built-in hysteresis of 0.4% of VTH.
Fig. 1 - Typical Application Diagram
* The GS6333 has an active-low reset output, while the GS6332 has an active-high reset output. Both devices have push/pull output drives. * The reset signal is guaranteed valid, down to Vcc = 1.0V.
VCC
VCC
VCC
GS6332 GS6333
RESET (RESET) GND RESET INPUT
P
* Low supply current of 3A makes these devices well suited for battery powered applications. They are designed to reject fast transients from causing false resets. * Both devices are available in a space-saving SOT-23 package.
GND
Features
* Tight reset voltage tolerances 1.8% * Low supply current: < 3A * Precision monitoring of 1.8V and 2.5V powersupply voltages * Other threshold voltage options available from 1.5V to 2.5V in approximately 100mV increments * Three reset active time-out period options: typical 1.5mS, 30mS, 150mS * Reset output guaranteed down to 1.0V * Vcc transient immunity * No external components
Applications
* * * * Computers Critical P/C power monitoring Battery powered equipment Automotive electronics
Document Number 74810 22-May-02
www.vishay.com 1
GS6332 and GS6333
Vishay
formerly General Semiconductor
Ordering Information
Reset Timeout Period (Typical) 1: 1.5mS 2: 30mS 3: 150mS (Standard) Reset Voltage Options (Typical) 15: 16: 18: 19: 20: 21: 22: 23: 24: 25: 1.5V 1.6V (Standard) 1.8V (Standard) 1.9V 2.0V (Standard) 2.1V 2.2V (Standard) 2.3V (Standard) 2.4V 2.5V
Marking Codes
GS6333
Product No. GS6333UR15D1 GS6333UR15D2 GS6333UR15D3 GS6333UR16D1 Marking ADxxx AExxx AGxxx AHxxx AIxxx AKxxx ALxxx AMxxx ANxxx AOxxx APxxx ARxxx ASxxx ATxxx AVxxx AWxxx AXxxx AYxxx AZxxx BAxxx BBxxx BCxxx BDxxx BExxx BGxxx BHxxx BIxxx BKxxx BLxxx BMxxx
GS6332
Product No. GS6332UR15D1 GS6332UR15D2 GS6332UR15D3 GS6332UR16D1 GS6332UR16D2 GS6332UR16D3 GS6332UR18D1 GS6332UR18D2 GS6332UR18D3 GS6332UR19D1 GS6332UR19D2 GS6332UR19D3 GS6332UR20D1 GS6332UR20D2 GS6332UR20D3 GS6332UR21D1 GS6332UR21D2 GS6332UR21D3 GS6332UR22D1 GS6332UR22D2 GS6332UR22D3 GS6332UR23D1 GS6332UR23D2 GS6332UR23D3 GS6332UR24D1 GS6332UR24D2 GS6332UR24D3 GS6332UR25D1 GS6332UR25D2 GS6332UR25D3 Marking BNxxx BOxxx BPxxx BRxxx BSxxx BTxxx BVxxx BWxxx BXxxx BYxxx BZxxx CAxxx CBxxx CCxxx CDxxx CExxx CGxxx CHxxx CIxxx CKxxx CLxxx CMxxx CNxxx COxxx CPxxx CRxxx CSxxx CTxxx CVxxx CWxxx
Reset Active High GS6332URxxDx GS6333URxxDx Reset Active Low
GS6333UR16D2 GS6333UR16D3 GS6333UR18D1 GS6333UR18D2 GS6333UR18D3 GS6333UR19D1 GS6333UR19D2 GS6333UR19D3 GS6333UR20D1
Sample stock is generally available on standard parts. Contact our local sales office for availability of non standard versions (minimum order quantity is 10,000 pcs).
GS6333UR20D2 GS6333UR20D3 GS6333UR21D1 GS6333UR21D2 GS6333UR21D3 GS6333UR22D1 GS6333UR22D2 GS6333UR22D3 GS6333UR23D1 GS6333UR23D2 GS6333UR23D3 GS6333UR24D1 GS6333UR24D2 GS6333UR24D3 GS6333UR25D1 GS6333UR25D2 GS6333UR25D3
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Document Number 74810 22-May-02
GS6332 and GS6333
Vishay
formerly General Semiconductor
Absolute Maximum Ratings (1)
Parameter Supply Voltage Reset/Reset Input Current, Vcc Output Current, Reset/Reset dV/dT (Vcc) Operating Temperature Range Storage Temperature Range Power Dissipation (TA 70C) SOT-23 (Derate 4mW/C above 70C) TA Tstg PD Symbol Vcc Value 6.0 -0.3 to (Vcc + 0.3) 20 20 100 -40 to +125 -65 to +150 260 Unit V V mA mA V/S C C mW
Note: (1) Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.
Electrical Characteristics
Parameter
TA = -40C to 125C unless otherwise noted. Typical values are at TA = 25C
Symbol
Test Conditions TA = 25C
Min 1 1 1.2 - - VTH -1.8% VTH -3%
Typ - - - - - VTH VTH 0.4
Max 5.5 5.5 5.5 7.0 3.0 VTH+1.8% VTH+3%
Unit
Vcc Range
VRANGE
TA = -40 to +85C TA = -40 to +125C
V
Supply Current (No Load) Reset Threshold Threshold Hysteresis
ICC
Vcc = 3.0V TA = 25C
A
VTH VTH HIST
TA = 25C TA = -40 to +125C
V %VTH
Reset Output Voltage Low
VOL
GS6332 VCC > VTH GS6333 VCC < VTH ISINK = 50A, VCC 1.0V ISINK = 500A, VCC 1.8V GS6332 VCC < VTH GS6333 VCC > VTH ISOURCE = 200A, VCC1.8V ISOURCE = 500A, VCC2.7V VCC to VTH - 100mV GS633xUR-D1 GS633xUR-D2 GS633xUR-D3
-
-
0.4 0.3
V
Reset Output Voltage High
VOH
0.8VCC 0.8VCC - 0.5 15 80
-
-
V S mS
VCC Falling Reset Delay Reset Timeout Period
TD1 TD2
- 1.5 30 150
40 5 50 230
Document Number 74810 22-May-02
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GS6332 and GS6333
Vishay
formerly General Semiconductor
Ratings and Characteristic Curves (TA = 25C unless otherwise noted)
Fig. 2 - Timing Diagram
VTH
VTH
VCC
TD2 Reset
50%
TD1
50%
TD2 Reset
50%
TD1
50%
Fig. 3 - Transient Rejection Supply (VCC) Transients
Transient Duration (S)
140 120 100 80 60 40 20 0 0.01
These devices have a certain immunity to fast negative going transients. The graph titled "Transient Rejection" shows the maximum allowable transient amplitude and duration to avoid triggering an unintended reset. As shown in the graph shorter transients can have larger amplitudes without triggering resets.
0.1
1
Transient Amplitude (V)
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Document Number 74810 22-May-02
GS6332 and GS6333
Vishay
formerly General Semiconductor
Ratings and Characteristic Curves (TA = 25C unless otherwise noted)
Fig. 4 - Reset Time vs. Temperature
170 2.35
Fig. 5 - ICC vs. Temperature
165
160 155
GS6333UR25D3
Supply Current @5V (A)
2.30
Reset Time (mS)
2.25
GS6333UR25D3
2.20
150 145
2.15
140 --50 --20 10 40 70 100 130
2.10 --50
--20
10
40
70
100
130
Temperature (C)
Temperature (C)
Fig. 6 - Reset Vth vs. Temperature
2.506 2.504 2.502 2.500 1.6 85C 2
Fig. 7 - ICC vs. VCC
Reset Vth (V)
40C
2.496 2.494 2.492 2.490 2.488 2.486 --50 --20
GS6333UR25D3
I CC (A)
2.498
1.2 0C 0.8
0.4
0 10 40 70 100 130
0
1
2
3
4
5
Temperature (C)
VCC (V)
Fig. 8 - TD1 Delay vs. Temperature
43
42
TD1 Delay (S)
41 40 39 38 37 --40
--20
0
20
40
60
80
100
Temperature (C)
Document Number 74810 22-May-02
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GS6332andGS6333
VishaySemiconductors
formerlyGeneralSemiconductor
Ratingsand CharacteristicCurves(TA=25Cunlessotherwisenoted)
Fig. 9 - Threshold Hysteresis vs. Temperature
0.5 0.265 0.260
Fig. 10 - Reset VOL vs. Temperature
Reset VOL @0.8mA (V)
0.4
0.255 0.250 0.245 0.240
Hysteresis (% of VTH)
0.3
0.2
GS6333URxxDx
0.235 0.230 0.225
0.1
0 --40
0.220 --20 0 20 40 60 80 100 --50 --20 10 40 70 100 130
Temperature (C)
Temperature (C)
SOT-23CaseOutline
3.10 2.70
Top View
MountingPadLayout
0.031 (0.8)
3
1.80 1.40 3.00 2.60
0.035 (0.9)
1
1.90 (TYP.)
2
Dimensionsinmillimeters 0.079 (2.0)
1.40 1.00 1.25 0.70 0.50 0.35 0.25 0.10 1 9 1
0.037 (0.95)
0.037 (0.95)
0.15
0.55 0.35
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DocumentNumber74810 22-May-02

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