TC1270A MICROCHIP [Microchip Technology], TC1270A Datasheet
TC1270A
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TC1270A Summary of contents
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... Pb-free Device Device Features Output Device Active Type Level TC1270A Push-Pull Low TC1270AN Open-Drain Low 280 TC1271A Push-Pull High Note 1: The 280 ms Reset Delay time-out is compatible with the TC1270, TC1271, TCM811, and TCM812 devices. 2: The SOT-143 package is compatible with the TC1270, TC1271, TCM811, and TCM812 devices. ...
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... Note 1: Data in the Typical (“Typ”) column is at 5V, +25°C, unless otherwise stated. 2: RST output for TC1270A, and TC1270AN, RST output for TC1271A. 3: TC127XA refers to either the TC1270A, TC1270AN or TC1271A device. 4: Hysteresis is within the V TRIP(MIN) 5: Custom ordered Voltage Trip Point. Minimum order volume requirement. ...
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... C IO Specification on Output Pins Note 1: Data in the Typical (“Typ”) column is at 5V, +25°C, unless otherwise stated. 2: RST output for TC1270A, and TC1270AN, RST output for TC1271A. 3: TC127XA refers to either the TC1270A, TC1270AN or TC1271A device. 4: Hysteresis is within the V TRIP(MIN) 5: Custom ordered Voltage Trip Point. Minimum order volume requirement. ...
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... TC1270A/70AN/71A 1.1 AC CHARACTERISTICS 1.1.1 TIMING PARAMETER SYMBOLOGY The timing parameter symbols have been created following one of the following formats: 1. TppS2ppS T F Frequency E Error Lowercase letters (pp) and their meanings Input or Output pin rx Receive bitclk RX/TX BITCLK drt Device Reset Timer Uppercase letters and their meanings: ...
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... Unless otherwise stated, data in the Typical (“Typ”) column is at 5V, +25°C. 2: RST output for TC1270A, RST output for TC1271A. 3: TC127XA refers to either the TC1270A, TC1270AN or TC1271A device. “x” indicated the selected Voltage Trip Point, while “yy” indicates the package code. © 2007 Microchip Technology Inc. TC1270A/70AN/71A ...
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... TC1270A/70AN/71A TEMPERATURE CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, V Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 5L-SOT-23 Thermal Resistance, 4L-SOT-143 DS22035B-page 6 = +1.0V to +5.5V Sym Min Typ Max Units T -40 — +125 °C ...
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... Power-up Timer Inactive) (TC1270AR, TC1270ANR, TC1271AR - 2.55V min. / 2.63V typ. / 2.70V max.). © 2007 Microchip Technology Inc. TC1270A/70AN/71A = 1V to 5.5V 6.5 6 5.5 1.0V 5 4.5 FIGURE 2-4: Power-up Timer Active) (TC1270AL, TC1270ANL, TC1271AL - 4.50V min. / 4.63V typ. / 4.75V max.). 7 6.5 6 5.5 5 4.5 2.0V 4 1.0V 3.5 3 FIGURE 2-5: Power-up Timer Active) (TC1270AT, TC1270ANT, TC1271AT - 3 ...
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... FIGURE 2-11: Power-up Timer Active) (TC1270AT, TC1270ANT, TC1271AT - 3.00V min. / 3.08V typ. / 3.15V max.). 2.5 FIGURE 2-12: Power-up Timer Active) (TC1270AR, TC1270ANR, TC1271AR - 2.55V min. / 2.63V typ. / 2.70V max.). = –40°C to +125°C. ...
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... Temperature (TC1270AR, TC1270ANR, TC1271AR - 2.55V min. / 2.63V typ. / 2.70V max.). © 2007 Microchip Technology Inc. TC1270A/70AN/71A = 1V to 5.5V 0.4 0.12 0.38 0.1 0.36 0.34 0.08 0.32 0.06 0.3 0.28 0.04 0.26 0.24 0.02 0.22 0 0.2 0.00 vs. FIGURE 2-16: (TC1270AL, TC1270ANL, TC1271AL - 4.50V min. / 4.63V typ. / 4.75V max.). 0.4 0.25 0.38 0.36 0.2 0.34 0.32 0.15 0.3 0.28 0.1 0.26 0.24 0.05 0.22 0 FIGURE 2-17: vs. (TC1270AT, TC1270ANT, TC1271AT - 3.00V min. / 3.08V typ. / 3.15V max.). 0.2 0.4 0.18 Rising) ...
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... FIGURE 2-22: (TC1270AL, TC1270ANL, TC1271AL - 4.50V min. / 4.63V typ. / 4.75V max.) @ +25°C). 2.9 2.7 2.5 2.3 2.1 A 1.9 1.7 0 110 FIGURE 2-23: (TC1270AT, TC1270ANT, TC1271AT - 3.00V min. / 3.08V typ. / 3.15V max.) @ +25°C). 6 5.5 5 4.5 4 3 110 FIGURE 2-24: (TC1270AR, TC1270ANR, TC1271AR - 2.55V min. / 2.63V typ. / 2.70V max.) @ +25°C). = –40°C to +125°C. ...
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... DD A 320 315 310 305 300 295 290 285 280 275 110 -40 FIGURE 2-28: vs. Temperature (TC1270AL, TC1270ANL, TC1271AL - 4.50V min. / 4.63V typ. / 4.75V max.). 325 320 315 310 305 300 295 290 285 280 275 -40 110 FIGURE 2-29: vs. Temperature (TC1270AT, TC1270ANT, TC1271AT - 3 ...
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... Temperature (TC1270AL, TC1270ANL, TC1271AL - 4.50V min. / 4.63V typ. / 4.75V max.). 2.5 3.2V 2.45 2.4 2.35 4.0V 2.3 4.5V 2.25 2.2 2.15 2.1 110 -40 ) FIGURE 2-35: RST (B timeout option) vs. Temperature (TC1270AT, TC1270ANT, TC1271AT - 3.00V min. / 3.08V typ. / 3.15V max.). 2.5 3.0V 2.45 2.4 2.35 4.5V 2.3 5.0V 2.25 2.2 2.15 2.1 -40 110 ) FIGURE 2-36: RST (B timeout option) vs. Temperature (TC1270AR, TC1270ANR, TC1271AR - 2.55V min. / 2.63V typ. / 2.70V max.). ...
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... FIGURE 2-40: Reset Threshold Overdrive (V (minimum TRIP 1.E-02 1.E-04 1.E-06 4.5V 5.5V 1.E-08 1.E-10 1.E-12 1.E-14 110 FIGURE 2-41: Current vs. Voltage Applied to RST Pin (TC1270AR, TC1270ANR, TC1271AR - 2.55V minimum). 110 2.63V 3.08V 4.63V 0 (V) TRIPMIN DD V Transient Duration vs 13.5V +125°C +25°C -40° ...
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... TC1270A/70AN/71A 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in TABLE 3-1: PINOUT DESCRIPTION Pin Number TC1270A TC1270AN TC1271A (Push-Pull, (Open-Drain, (Push-Pull, active low) active low) active high — — — — 4 — — — — 4 Note 1: The MR pin has an internal weak pull-up (18.5 kΩ typical). ...
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... I ST Manual Reset input pin This input allows a push button switch to be directly connected to the TC1270A/70AN/71A’s MR pin, which can then be used to force a system Reset. The input fil- ter (ignores) noise pulses that occur on the MR pin Switch is open (internal pull-up resistor pulls signal high) ...
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... TC1270A/70AN/71A 3.1 Ground Terminal ( provides the negative reference for the analog SS input voltage. Typically, the circuit ground is used. 3.2 Supply Voltage ( can be used for power supply monitoring voltage level that requires monitoring. 3.3 Reset Output (RST and RST) There are three types of Reset output pins. These are: 1 ...
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... MR Push Button FIGURE 4-3: Application Circuit. The TC1270A and TC1271A devices are available in a 4-Pin SOT-143 package to maintain footprint compati- bility with the TC1270, TC1271, TCM811, and TCM812 devices, and the SOT-23-5 package. The TC1270AN is only available in the SOT-23-5 package. Low supply current makes these devices suitable for battery powered applications ...
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... RST/RST output pin to be driven Active. Now in the case where V starting below V TRIP(MIN) • Voltages above V TRIP(MAX) RST/RST output pin to be driven Inactive, (or floated - TC1270AN) after the Reset Delay Timer (t ), times out. RST . The device’ selected when the TRIP ...
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... RST % from % from RST devices are Note 1: Additional system current is consumed not TRIP 2: The TC1270AN requires an external FIGURE 4-7: Power-up the trip HYS 2-13 shows the device hysteresis as a percent- ). TRIP ) gives a time based hys- RST DD rises, the device’s Reset circuit will DD ) ...
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... DD V TRIP (with V Falling (1) RST t RD Note 1: The TC1270AN requires an external pull-up resistor. FIGURE 4-8: Operation as determined by the V RST DS22035B-page 20 Figure 4-8 shows the waveform of the RST pin as determined by the V falls DD from the normal operating point, the device “enters” ). The TRIP ...
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... Transient Overdrive Voltage (mV) FIGURE 4-9: Example of Typical Transient Duration Waveform. © 2007 Microchip Technology Inc. TC1270A/70AN/71A 4.4 Manual Reset with Glitch Filter Circuit The Manual Reset input pin (MR) allows the Reset pins (RST/RST manually forced to their active states. ...
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... TC1270A/70AN/71A 4.5 Reset Generator Circuit The output signals from the Voltage Detect Circuit and the Manual Reset with Glitch Filter Circuit are OR’d together and is used to activate the Reset Generator Module. After the reset conditions have been removed (the MR pin is no longer forced low and the input voltage is greater than the Trip Point voltage), the Reset Genera- tor circuit determines the reset delay timeout required ...
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... This operation can only be done using the device with the Open-Drain RST pin (TC1270AN). Figure 5-4 shows the typical application circuit for using the TC1270AN for voltage supervisory function when (such as DD the PIC microcontroller will be programmed via the In-Circuit Serial Programming™ (ICSP™) feature. ...
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... TC1270AN series ideal for many voltage detector applications. protection circuit that prevents overheating of the logic-level MOSFET due to insufficient gate voltage. When the input signal is below the threshold of the TC1270AN, its output grounds the gate of the MOSFET. Figure 5-5 TC1270AN Note 1: This resistance needs to be properly ...
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... Microchip Technology Inc. TC1270A/70AN/71A 5.8 Reset Signal Integrity During Power-Down The TC1270A and TC1271A reset output is valid down 1.0V. Below this voltage the output becomes DD an “open circuit” and does not sink current. This means CMOS logic inputs to the Microcontroller will be floating at an undetermined voltage ...
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... SOT-143 SOT-23-5 TC1270ARVCTTR 280 560 “blank” SOT-143 280 560 “blank” SOT-23-5 TC1270ANLVCT 280 560 “blank” SOT-23-5 TC1270ANMVCT 280 560 “blank” SOT-23-5 TC1270ANTVCT 280 560 “blank” SOT-23-5 TC1270ANSVCT 280 560 “blank” SOT-23-5 TC1270ANRVCT SOT-23-5 TC1271ALVCTTR 280 560 “ ...
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... Delay timings for standard device offerings Note 1: This delay timing option is not the standard offering. For information on ordering devices with these delay times, contact your local Microchip sales office. Minimum purchase volumes are required. © 2007 Microchip Technology Inc. TC1270A/70AN/71A 3.0V 5.0% DS22035B-page 27 ...
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... SOT-23-5/6 Voltage Supervisor Evaluation Board (VSUPEV2). DS22035B-page 28 The SOIC14-EV (102-00094) board has a SOT-23-6 footprint, that can be jumpered into any portion of the circuit. This will allow any footprint that the TC1270A requires in the SOT-23-5 package. FIGURE 8-2: SOIC-14 Evaluation Board (SOIC14EV). These boards may be purchased directly from the Microchip web site at www.microchip.com. © ...
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... TC1270ANMVCTTR TC1270ANTVCTTR TC1270ANSVCTTR TC1270ANRVCTTR 4-Lead SOT-143 Part Number TC1270ALVRCTR XXNN TC1270AMVRCTR TC1270ATVRCTR TC1270ASVRCTR TC1270ARVRCTR TC1270ANLVRCTR TC1270ANMVRCTR TC1270ANTVRCTR TC1270ANSVRCTR TC1270ANRVRCTR Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘01’) ...
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... TC1270A/70AN/71A 5-Lead Plastic Small Outline Transistor (CT) [SOT-23] Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging Number of Pins Lead Pitch Outside Lead Pitch Overall Height Molded Package Thickness Standoff Overall Width ...
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... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.25 mm per side. 3. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc. TC1270A/70AN/71A φ ...
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... TC1270A/70AN/71A 9.2 Product Tape and Reel Specifications FIGURE 9-1: EMBOSSED CARRIER DIMENSIONS (8 MM TAPE ONLY) Top Cover Tape K 0 TABLE 1: CARRIER TAPE/CAVITY DIMENSIONS Case Package Outline Type OT SOT- SOT-143 4L FIGURE 9-2: 5-LEAD SOT-23 DEVICE TAPE AND REEL SPECIFICATIONS Device Marking Pin 1 Standard Reel Component Orientation ...
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... Standard Reel Component Orientation for TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size: Package Carrier Width (W) 4-Pin SOT-143 8 mm © 2007 Microchip Technology Inc. TC1270A/70AN/71A User Direction of Feed W P Pitch (P) Part Per Full Reel 4 mm 3000 Reel Size 7 in ...
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... TC1270A/70AN/71A NOTES: DS22035B-page 34 © 2007 Microchip Technology Inc. ...
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... Added new options: - Open-Drain output - New Reset Delay timeouts. • Updated Package Outline Drawings • Updated Revision History • Added new options to Product Identification System Revision A (March 2007) • Original Release of this Document. © 2007 Microchip Technology Inc. TC1270A/70AN/71A DS22035B-page 35 ...
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... TC1270A/70AN/71A NOTES: DS22035B-page 36 © 2007 Microchip Technology Inc. ...
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... Device Temperature V Reset Delay TRIP Range Options Options Device: TC1270A: Voltage Supervisor with Manual Reset TC1270AN: Voltage Supervisor with Manual Reset TC1271A: Voltage Supervisor with Manual Reset V Options 2.55V (min.) / 2.63V (typ.) / 2.70V (max.) TRIP S = 2.85V (min.) / 2.93V (typ.) / 3.00V (max ...
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... TC1270A//70AN/71A NOTES: DS22035B-page 38 © 2007 Microchip Technology Inc. ...
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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...
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