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| R EM MICROELECTRONIC-MARIN SA V6301 Ultra Low Power 3-Pin Voltage Surveillance with Time-out Features n Clear microprocessor restart after power up n Processor reset at power down n Reset output guaranteed down to VDD = 1 V n Low power consumption: typ. 3 mA at VDD = 5 V n n n n n n n O - 40 to +85 C temperature range O On request extended temperature range, -40 to +125 C On-chip oscillator No external components required Push-pull or Open drain output TO-92, SOT-23 5L packages Pin compatible with DS 1233 A in TO-92 Typical Operating Configuration VDD VDD VDD RES or RES RES or RES V6301 VSS Microprocessor VSS GND Description The V6301 is a CMOS device which monitors the supply voltage of any electronic system, and generates the appropriate Reset signal. The thres hold defines the minimum allowed voltage which guarantees the good functionality of the system. As long as VDD stays upside this voltage level, the output stays inactive. If VDD drops below VTH, the output gets active. When V DD rises above VTH, the output remains active for an additional 290 ms (typ.). This al lows the system to stabilize before getting fully active. The threshold v oltage may be obtained in differ ent versions: 2.0 V, 2.4 V, 2.8 V, 3.5 V, 4.0 V, 4.5 V. For Open drain version: Fig. 1 Pin Assignment TO-92 View Flat Front V6301 1 2 3 Applications All microprocessor applications where an automatic restart is required: n n n n n n Computer electronics White / Brown goods Automotive electronics Industrial electronics Telecom systems Hand-held systems VDD RES VSS or RES SOT-23 5L NC VSS NC 3 2 1 V6301 4 5 RES or RES VDD Fig. 2 1 R V6301 Absolute Maximum Ratings Parameter Voltage at VDD to VSS Min. voltage at RES or RES Max. voltage at RES or RES Storage temperature range Symbol VDD Vmin Vmax TSTO Conditions -0.3V to+10 V VSS - 0.3 V VDD + 0.3 V -65O to +150 OC Table 1 Stresses above these listed maximum ratings may cause permanent damage to the device. Exposure beyond specified operating conditions may affect device reliability or cause malfunction. Handling Procedures This device has built-in protection against high static voltages or electric fields; however, anti-static precautions must be taken as for any other CMOS component. Unless otherwise specified, proper operation can only occur when all terminal voltages are kept within the supply voltage range. Operating Conditions Parameter Operating temperature Positive supply voltage 1) 1) Symbol Min. TA VDD -40 1 Typ . Max. Units +125 8 O C V Table 2 The maximum operating temperature is confirmed by sampling at initial device qualification. Electrical Characteristics TA = -40 to +85 OC, unless otherwise specified Parameter Supply current 1) Symbol IDD IDD IDD VTH VTH VTH VTH VTH VTH VHYS VOL VOL VOL VOH VOH VOH ILEAK Test Conditions VDD = 2 V VDD = 5 V VDD = 8 V Version: A,G,M Version: B,H,N Version: C,I,O Version: D,J,P Version: E,K,Q Version: F,L,R VDD = 5 V, IOL = 8 mA VDD = 3 V, IOL = 4 mA VDD = 1 V, IOL = 50 mA VDD = 5 V, IOH = -8 mA VDD = 3 V, IOH = -4 mA VDD = 1 V, IOH = -100 mA VDD = 8 V Min. Min. at 25 oC Typ. 1.5 3.0 5.2 1.95 2.32 2.73 3.42 3.88 4.42 25 175 140 20 4.5 2.6 950 0.05 Max. at 25 oC 2.1 3.9 6.8 2.04 2.41 2.86 3.59 4.08 4.67 Max. 3.1 5.7 10.0 2.17 2.55 3.03 3.80 4.32 4.95 400 300 90 Units mA mA mA V V V V V V mV mV mV mV V V mV mA Table 3 Threshold voltage 1.77 2.09 2.48 3.11 3.55 4.05 1.84 2.18 2.59 3.23 3.70 4.22 Threshold hysteresis RES Output Low Level RES Output High Level 4.3 2.3 850 Output leakage current 1) 2) 2) 1 RES or RES open Only for Open drain versions Timing Characteristics VDD = 5.0 V, TA = -40 to +85OC, unless otherwise specified Parameter Power on reset time 3) Sensitivity 3) Reaction time 3) Symbol tPOR tSEN tR Test Conditions for VDD = 5 V to 3 V in 5 ms for VDD = 5 V to 3 V in 5 ms Min. 140 20 22 Typ. 290 0.8 tR 75 Max. 560 150 Units ms ms ms Table 4 Tested on versions with VTH higher than 3 V 2 R V6301 Timing Waveforms VDD VTH tSEN 1V tPOR tR tPOR t RES t Logic "1" RES Logic "0" t Fig.3 Logic "1" Logic "0" Block Diagram VDD Voltage Reference + Reset Logic Timer RES or RES Oscillator Vss Fig.4 Pin Description TO-92 Pin 1 2 3 SOT-23 5L Name VDD RES or RES VSS Function Positive Supply Reset output Supply ground Table 5 Pin 1 2 3 4 5 Name NC VSS NC RES or RES VDD Function No connection Supply ground No connection Reset output Positive supply Table 6 3 R V6301 Ordering Information The V6301 is available with Push-pull or Open output stage and Reset active low or high. Ordering form: V6301 Version letter definition Output stage 2.0 Threshold Voltage [V] 2.4 2.8 3.5 4.0 4.5 1) Push-pull, Reset active low AB 1) Push-pull, Reset active high G H 1) 1) Open drain, Reset active low M N C I O D J P E 1) K 1) Q F L R Table 7 1) V6301 O TO-92 When ordering, please specify the complete part number. EM Microelectronic-Marin SA cannot assume responsibility for use of any circuitry described other than circuitry entirely embodied in an EM Microelectronic-Marin SA product. EM Microelectronic-Marin SA reserves the right to change the circuitry and specifications without notice at any time. You are strongly urged to ensure that the information given has not been superseded by a more up-to-date O 2000 EM Microelectronic-Marin SA,10/00, Rev. B/316 4 |
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