TCM809_05 MICROCHIP | Alldatasheet

Document overview

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Technical content

Features

  • Precision VDD Monitor for 2.5V, 3.0V, 3.3V, 5.0V Nominal System Voltage Supplies
  • 140 msec Minimum RESET Time-Out Period
  • RESET Output to VDD = 1.0V (TCM809)
  • Low Supply Current, 9 µA (typ.)
  • VDD Transient Immunity
  • Small 3-Pin SC-70 and SOT-23B Packages
  • No External Components
  • Push-Pull RESET Output
  • Temperature Ranges: - Industrial: SC-70 (E): -40°C to +85°C - Extended: SOT-23, SC-70 (V): -40°C to +125°C

Applications

  • Computers
  • Embedded Systems
  • Battery-powered Equipment
  • Critical Microcontroller Power Supply Monitoring
  • Automotive Typical Application Circuit General Description The TCM809 and TCM810 are cost-effective system supervisor circuits designed to monitor VDD in digital systems; providing a reset signal to the host processor, when necessary. No external components are required. The RESET output is typically driven active within 65 µsec of VDD falling through the reset voltage thresh- old. RESET is maintained active for a minimum of 140 msec after VDD rises above the reset threshold. The TCM810 has an active-high RESET output, while the TCM809 has an active-low RESET output. The output of the TCM809/TCM810 is valid down to VDD = 1V. Both devices are available in 3-Pin SC-70 and SOT-23B packages. The TCM809/TCM810 are optimized to reject fast transient glitches on the VDD line. A low supply current of 9 µA (typ., VDD = 3.3V) make these devices suitable for battery-powered applications. Pin Configurations TCM809 VDD VDD VDD RESET RESET INPUT (Active-Low) GND GND PICmicro® Microcontroller SOT-23B/SC-70 Note: 3-Pin SOT-23B is equivalent to VDD TCM809 RESET GND TCM809/ TCM810 TCM810 (RESET) JEDEC TO-236. 3-Pin Microcontroller Reset Monitors

© 2005 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings† Power Dissipation (TA = 70°C): † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25°C, VDD = 5V for L/M/J, 3.3V for T/S, 3.0V for R and 2.5V for Z (Note 1). Parameter Sym Min Typ Max Units Test Conditions VDD Range 1.0 5.5 V TA = 0°C to +70°C 1.2 5.5 TA = – 40°C to +125°C Supply Current ICC µA TCM8xxL/M/J: VDD < 5.5V TCM8xxR/S/T/Z: VDD < 3.6V Reset Threshold (Note 2) VTH 4.56 4.63 4.70 V TCM8xxL: TA = +25°C 4.50 4.75 TA = – 40°C to +125°C 4.31 4.38 4.45 V TCM8xxM: TA = +25°C 4.25 4.50 V TA = – 40°C to +125°C 3.93 4.00 4.06 V TCM809J: TA = +25°C 3.89 4.10 V TA = – 40°C to +125°C 3.04 3.08 3.11 V TCM8xxT: TA = +25°C 3.00 3.15 V TA = – 40°C to +125°C 2.89 2.93 2.96 V TCM8xxS: TA = +25°C 2.85 3.00 V TA = – 40°C to +125°C 2.59 2.63 2.66 V TCM8xxR: TA = +25°C 2.55 2.70 V TA = – 40°C to +125°C 2.28 2.32 2.35 V TCM8xxZ: TA = +25°C 2.25 2.38 V TA = – 40°C to +125°C Reset Threshold Tempco ppm/°C VDD to Reset Delay, µsec VDD = VTH to (VTH – 100 mV) (Note 2) Reset Active Time Out Period 140 320 560 msec RESET Output Voltage Low (TCM809) VOL 0.3 V TCM809R/S/T/Z: VDD = VTH min, ISINK = 1.2 mA 0.4 TCM809L/M/J: VDD = VTH min, ISINK = 3.2 mA 0.3 VDD > 1.0V, ISINK = 50 µA RESET Output Voltage High (TCM809) VOH

0.8 VDD

V TCM809R/S/T/Z: VDD > VTH max, ISOURCE = 500 µA VDD – 1.5 TCM809L/M/J: VDD > VTH max, ISOURCE = 800 µA RESET Output Voltage Low (TCM810) VOL 0.3 V TCM810R/S/T/Z:VDD = VTH max, ISINK = 1.2 mA 0.4 TCM810L/M: VDD = VTH max, ISINK = 3.2 mA RESET Output Voltage High (TCM810) VOH V 1.8 < VDD < VTH min, ISOURCE = 150 µA Note Production testing done at TA = +25°C, overtemperature limits ensured by QC screen. RESET output for TCM809, RESET output for TCM810.

© 2005 Microchip Technology Inc. 3.0 PIN DESCRIPTIONS The descriptions of the pins are given in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Ground (GND) Ground terminal. 3.2 RESET Output (TCM809) The RESET push-pull output remains low while VDD is below the reset voltage threshold, and for 240 msec (140 msec min.) after VDD rises above reset threshold. 3.3 RESET Output (TCM810) The RESET push-pull output remains high while VDD is below the reset voltage threshold, and for 240 msec (140 msec min.) after VDD rises above reset threshold. 3.4 Supply Voltage (VDD) VDD: +2.5V, +3.0V, +3.3V and +5.0V NAME FUNCTION GND Ground RESET (TCM809) RESET push-pull output RESET (TCM810) RESET push-pull output VDD Supply voltage (+2.5V, +3.0V, +3.3V, +5.0V).

© 2005 Microchip Technology Inc. 4.3 Controllers and Processors With Bidirectional I/O Pins Some microcontrollers have bidirectional reset pins. Depending on the current drive capability of the control- ler pin, an indeterminate logic level may result if there is a logic conflict. This can be avoided by adding a 4.7 kΩ resistor in series with the output of the TCM809/ TCM810 (Figure 4-3). If there are other components in the system that require a reset signal, they should be buffered so as not to load the reset line. If the other components are required to follow the reset I/O of the microcontroller, the buffer should be connected as shown with the solid line. FIGURE 4-3: Interfacing the TCM809 to a Bidirectional RESET I/O. TCM809 VDD RESET GND RESET GND Buffered RESET To Other System Components Micro- 4.7 kΩ controller Buffer PICmicro®

© 2005 Microchip Technology Inc. DS21661D-page 7 TCM809/TCM810 5.0 PACKAGING INFORMATION 5.1 Package Marking Information 3-Pin SOT-23B XXNN 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’) NNN Alphanumeric traceability code Pb-free JEDEC designator for Matte Tin (Sn) This package is Pb-free. The Pb-free JEDEC designator ( ) can be found on the outer packaging for this package. Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. e e Example: Customer Specific Information Codes for: TCM8xx = Part Number TCM809 TCM810 TCM8xxL ENB VNB JZ KZ TCM8xxM ENB VNB JY KY TCM8xxT ENB VNB JX KX TCM8xxS ENB VNB JV KV TCM8xxR ENB VNB JU KU TCM8xxJ ENB VNB JT KS TCM8xxZ ENB 3-Pin SC-70 Top Side Bottom Side XXN YWW OR XXNN Example: Customer Specific Information Codes for: TCM8xx = Part Number TCM809 TCM810 TCM8xxL ELB VLB JZ KZ TCM8xxM ELB VLB JY KY TCM8xxT ELB VLB JX KX TCM8xxS ELB VLB JV KV TCM8xxR ELB VLB JU KU TCM8xxJ ELB VLB JT KS TCM8xxZ ELB VLB JS KT

© 2005 Microchip Technology Inc. 3-Lead Plastic Small Outline Transistor (NB) (SOT-23) β Mold Draft Angle Bottom α Mold Draft Angle Top 0.51 0.44 0.37 .020 .017 .015 B Lead Width 0.18 0.14 0.09 .007 .006 .004 c Lead Thickness φ Foot Angle 0.55 0.45 0.35 .022 .018 .014 L Foot Length 3.04 2.92 2.80 .120 .115 .110 D Overall Length 1.40 1.30 1.20 .055 .051 .047 Molded Package Width 2.64 2.37 2.10 .104 .093 .083 E Overall Width 0.10 0.06 0.01 .004 .002 .000 Standoff 1.02 0.95 0.88 .040 .037 .035 Molded Package Thickness 1.12 1.01 0.89 .044 .040 .035 A Overall Height 1.92 .076 Outside lead pitch (basic) 0.96 .038 p Pitch n Number of Pins MAX NOM MIN MAX NOM MIN Dimension Limits MILLIMETERS INCHES* Units p D B n E L c β φ α A * Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: TO-236 Drawing No. C04-104 § Significant Characteristic

© 2005 Microchip Technology Inc. DS21661D-page 9 TCM809/TCM810 3-Lead Plastic Small Outline Transistor (LB) (SC-70) 12° 12° b Mold Draft Angle Bottom 12° 12° a Mold Draft Angle Top 0.40 0.15 .016 .006 B Lead Width 0.25 0.08 .010 .003 c Lead Thickness 0.41 0.10 .016 .004 L Foot Length 2.25 1.80 .089 .071 D Overall Length 1.35 1.15 .053 .045 Molded Package Width 2.40 1.80 .094 .071 E Overall Width .010 0.00 .0004 .000 Standoff 1.00 0.80 .039 .031 Molded Package Thickness 1.10 0.80 .043 .031 A Overall Height 1.30 BSC. Outside lead pitch (basic) 0.65 BSC. p Pitch Number of Pins MAX MIN MAX MIN Dimension Limits MILLIMETERS* INCHES Units shall not exceed .005" (0.127mm) per side. Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions Notes: JEITA (EIAJ) Equivalent: SC70 Drawing No. C04-104 *Controlling Parameter L B E p c D b a A .026 BSC. .051 BSC.

© 2005 Microchip Technology Inc. DS21661D-page 11 TCM809/TCM810 APPENDIX A:

REVISION HISTORY

Revision D (March 2005)

  • Updated 6.0 “Packaging Information” to include old and new packaging examples.
  • Applied new template and rearranged sections to be consistent with current documentation. Revision C (April 2004) Revision B (January 2002) Revision A (May 2001) Initial release of data sheet.

© 2005 Microchip Technology Inc. NOTES:

© 2005 Microchip Technology Inc. DS21661D-page 13 TCM809/TCM810 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. Sales and Support Device: TCM809: Supervisor circuit with active-low RESET output TCM810: Supervisor circuit with active-high RESET output VDD Reset Threshold: L = 4.63V M = 4.38V J = 4.00V T = 3.08V S = 2.93V R = 2.63V Z = 2.32V Temperature Range: E = -40°C to +85°C V = -40°C to +125°C Package: NB713 = SOT-23B, 3-pin (Tape and Reel) LB713 = SC-70, 3-pin (Tape and Reel) PART NO. X X Temperature VDD Reset Device Examples: TCM809LENB713: SOT-23B-3-TR, Microcontroller 4.63V Reset Monitor, -40°C to +85°C, Tape and Reel. TCM809LVLB713: SC-70-3-TR, Microcontroller 4.63V Reset Monitor, -40°C to +125°C, Tape and Reel. TCM809LVNB713: SOT-23B-3-TR, Microcontroller 4.63V Reset Monitor, -40°C to +125°C, Tape and Reel. TCM810MENB713: SOT-23B-3-TR, Microcontroller 4.38V Reset Monitor, -40°C to +85°C, Tape and Reel. TCM810RVLB713: SOT-23B-3-TR, Microcontroller 2.63V Reset Monitor, -40°C to +125°C, Tape and Reel. TCM810TVLB713: SC-70-3-TR, Microcontroller 4.38V Reset Monitor, -40°C to +125°C, Tape and Reel. Range Threshold XXXXX Package Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. Customer Notification System Register on our web site (www.microchip.com) to receive the most current information on our products.

© 2005 Microchip Technology Inc. NOTES:

© 2005 Microchip Technology Inc. DS21661D-page 15 Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WAR- RANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, PowerSmart, rfPIC, and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, Migratable Memory, MXDEV, MXLAB, PICMASTER, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, dsPICDEM, dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2005, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. 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 of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Microchip received ISO/TS-16949:2002 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003. The Company’s quality system processes and procedures are for its PICmicro® 8-bit MCUs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified.

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