GS6332 and GS6333 Vishay formerly General Semiconductor 3 Pin, Low-Power, µP 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. 1 GND 3 Reset/ Reset Vcc 2 • When the processor power supply voltage drops below the reset threshold, the reset output is driven active, in less than 40µs (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. VCC • The reset signal is guaranteed valid, down to Vcc = 1.0V. VCC VCC GS6332 GS6333 µP RESET (RESET) • Both devices are available in a space-saving SOT-23 package. RESET INPUT GND • Low supply current of 3µA makes these devices well suited for battery powered applications. They are designed to reject fast transients from causing false resets. GND Features • Tight reset voltage tolerances ± 1.8% • Low supply current: < 3µA Applications • 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 Computers Critical µP/µC power monitoring Battery powered equipment Automotive electronics • 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 Document Number 74810 22-May-02 www.vishay.com 1 GS6332 and GS6333 Vishay formerly General Semiconductor Ordering Information Marking Codes Reset Timeout Period (Typical) 1: 1.5mS 2: 30mS 3: 150mS (Standard) Reset Active High GS6332URxxDx GS6333URxxDx Reset Active Low 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 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). www.vishay.com 2 GS6333 Product No. GS6332 Marking Product No. Marking GS6333UR15D1 ADxxx GS6332UR15D1 BNxxx GS6333UR15D2 AExxx GS6332UR15D2 BOxxx GS6333UR15D3 AGxxx GS6332UR15D3 BPxxx GS6333UR16D1 AHxxx GS6332UR16D1 BRxxx GS6333UR16D2 AIxxx GS6332UR16D2 BSxxx GS6333UR16D3 AKxxx GS6332UR16D3 BTxxx GS6333UR18D1 ALxxx GS6332UR18D1 BVxxx GS6333UR18D2 AMxxx GS6332UR18D2 BWxxx GS6333UR18D3 ANxxx GS6332UR18D3 BXxxx GS6333UR19D1 AOxxx GS6332UR19D1 BYxxx GS6333UR19D2 APxxx GS6332UR19D2 BZxxx GS6333UR19D3 ARxxx GS6332UR19D3 CAxxx GS6333UR20D1 ASxxx GS6332UR20D1 CBxxx GS6333UR20D2 ATxxx GS6332UR20D2 CCxxx GS6333UR20D3 AVxxx GS6332UR20D3 CDxxx GS6333UR21D1 AWxxx GS6332UR21D1 CExxx GS6333UR21D2 AXxxx GS6332UR21D2 CGxxx GS6333UR21D3 AYxxx GS6332UR21D3 CHxxx GS6333UR22D1 AZxxx GS6332UR22D1 CIxxx GS6333UR22D2 BAxxx GS6332UR22D2 CKxxx GS6333UR22D3 BBxxx GS6332UR22D3 CLxxx GS6333UR23D1 BCxxx GS6332UR23D1 CMxxx GS6333UR23D2 BDxxx GS6332UR23D2 CNxxx GS6333UR23D3 BExxx GS6332UR23D3 COxxx GS6333UR24D1 BGxxx GS6332UR24D1 CPxxx GS6333UR24D2 BHxxx GS6332UR24D2 CRxxx GS6333UR24D3 BIxxx GS6332UR24D3 CSxxx GS6333UR25D1 BKxxx GS6332UR25D1 CTxxx GS6333UR25D2 BLxxx GS6332UR25D2 CVxxx GS6333UR25D3 BMxxx GS6332UR25D3 CWxxx Document Number 74810 22-May-02 GS6332 and GS6333 Vishay formerly General Semiconductor Absolute Maximum Ratings (1) Parameter Symbol Value Unit Vcc 6.0 V –0.3 to (Vcc + 0.3) V Input Current, Vcc 20 mA Output Current, Reset/Reset 20 mA dV/dT (Vcc) 100 V/µS Supply Voltage Reset/Reset Operating Temperature Range TA –40 to +125 °C Storage Temperature Range Tstg –65 to +150 °C Power Dissipation (TA ≤ 70°C) SOT-23 (Derate 4mW/°C above 70°C) PD 260 mW Note: (1) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. Electrical Characteristics Parameter Vcc Range TA = –40°C to 125°C unless otherwise noted. Typical values are at TA = 25°C Symbol VRANGE Supply Current (No Load) ICC Reset Threshold VTH Threshold Hysteresis Test Conditions Min Typ Max TA = 25°C 1 – 5.5 TA = –40 to +85°C 1 – 5.5 TA = –40 to +125°C 1.2 – 5.5 Vcc = 3.0V – – 7.0 TA = 25°C – – 3.0 TA = 25°C VTH –1.8% VTH VTH+1.8% TA = –40 to +125°C VTH –3% VTH VTH+3% VTH HIST 0.4 VOL GS6332 VCC > VTH GS6333 VCC < VTH ISINK = 50µA, VCC ≥1.0V ISINK = 500µA, VCC ≥1.8V Reset Output Voltage High VOH GS6332 VCC < VTH GS6333 VCC > VTH ISOURCE = 200µA, VCC≥1.8V ISOURCE = 500µA, VCC≥2.7V 0.8VCC 0.8VCC VCC Falling Reset Delay TD1 VCC to VTH – 100mV Reset Timeout Period TD2 GS633xUR−D1 GS633xUR−D2 GS633xUR−D3 Reset Output Voltage Low Document Number 74810 22-May-02 – – Unit V µA V %VTH 0.4 0.3 V – – V – – 40 µS 0.5 15 80 1.5 30 150 5 50 230 mS www.vishay.com 3 GS6332 and GS6333 Vishay formerly General Semiconductor Ratings and Characteristic Curves (TA = 25°C unless otherwise noted) Fig. 2 – Timing Diagram VTH VTH VCC TD2 50% TD1 50% Reset TD2 50% TD1 50% Reset Fig. 3 – Transient Rejection 140 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. 120 Transient Duration (µS) Supply (VCC) Transients 100 80 60 40 20 0 0.01 0.1 1 Transient Amplitude (V) www.vishay.com 4 Document Number 74810 22-May-02 GS6332 and GS6333 Vishay formerly General Semiconductor Ratings and Characteristic Curves (TA = 25°C unless otherwise noted) Fig. 4 – Reset Time vs. Temperature Fig. 5 – ICC vs. Temperature 2.35 170 Supply Current @5V (µA) Reset Time (mS) 165 GS6333UR25D3 160 155 150 145 140 --50 --20 10 40 70 100 2.30 2.25 GS6333UR25D3 2.20 2.15 2.10 --50 130 --20 10 40 70 100 130 Temperature (°C) Temperature (°C) Fig. 7 – ICC vs. VCC Fig. 6 – Reset Vth vs. Temperature 2 2.506 2.504 2.502 1.6 85°C 40°C 2.498 I CC (µA) Reset Vth (V) 2.500 GS6333UR25D3 2.496 2.494 1.2 0°C 0.8 2.492 0.4 2.490 2.488 2.486 0 --50 --20 10 40 70 100 130 Temperature (°C) 0 1 2 3 4 5 VCC (V) Fig. 8 – TD1 Delay vs. Temperature 43 TD1 Delay (µS) 42 41 40 39 38 37 --40 --20 0 20 40 60 80 100 Temperature (°C) Document Number 74810 22-May-02 www.vishay.com 5 GS6332andGS6333 VishaySemiconductors formerlyGeneralSemiconductor Ratingsand CharacteristicCurves(TA=25°Cunlessotherwisenoted) Fig. 9 – Threshold Hysteresis vs. Temperature Fig. 10 – Reset VOL vs. Temperature 0.265 0.5 0.260 Reset VOL @0.8mA (V) Hysteresis (% of VTH) 0.4 0.3 0.2 0.1 0.255 0.250 0.245 0.240 GS6333URxxDx 0.235 0.230 0.225 0.220 0 --40 --20 0 20 40 60 80 100 --50 Temperature (°C) --20 10 40 70 100 130 Temperature (°C) SOT-23CaseOutline 3.10 2.70 Top View MountingPadLayout 3 0.031 (0.8) 3.00 2.60 1.80 1.40 0.035 (0.9) 1 2 1.90 (TYP.) 0.079 (2.0) Dimensionsinmillimeters 1.40 1.00 0.037 (0.95) 0.25 0.10 1.25 0.70 0.50 0.35 wwwvishaycom 6 0.15 0.55 0.35 0.037 (0.95) θ1 9° 1° DocumentNumber74810 22-May-02