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LM555-MIL Dataheets PDF



Part Number LM555-MIL
Manufacturers Texas Instruments
Logo Texas Instruments
Description Timer
Datasheet LM555-MIL DatasheetLM555-MIL Datasheet (PDF)

Product Folder Order Now Technical Documents Tools & Software Support & Community LM555-MIL Timer LM555-MIL SNAS745 – JUNE 2017 1 Features •1 Direct Replacement for SE555/NE555 • Timing from Microseconds through Hours • Operates in Both Astable and Monostable Modes • Adjustable Duty Cycle • Output Can Source or Sink 200 mA • Output and Supply TTL Compatible • Temperature Stability Better than 0.005% per °C • Normally On and Normally Off Output • Available in 8-pin VSSOP Package 2 Applicat.

  LM555-MIL   LM555-MIL


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Product Folder Order Now Technical Documents Tools & Software Support & Community LM555-MIL Timer LM555-MIL SNAS745 – JUNE 2017 1 Features •1 Direct Replacement for SE555/NE555 • Timing from Microseconds through Hours • Operates in Both Astable and Monostable Modes • Adjustable Duty Cycle • Output Can Source or Sink 200 mA • Output and Supply TTL Compatible • Temperature Stability Better than 0.005% per °C • Normally On and Normally Off Output • Available in 8-pin VSSOP Package 2 Applications • Precision Timing • Pulse Generation • Sequential Timing • Time Delay Generation • Pulse Width Modulation • Pulse Position Modulation • Linear Ramp Generator 3 Description The LM555-MIL is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor. For a stable operation as an oscillator, the free running frequency and duty cycle are accurately controlled with two external resistors and one capacitor. The circuit may be triggered and reset on falling waveforms, and the output circuit can source or sink up to 200 mA or drive TTL circuits. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 4.90 mm × 3.91 mm LM555-MIL PDIP (8) 9.81 mm × 6.35 mm VSSOP (8) 3.00 mm × 3.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Schematic Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM555-MIL SNAS745 – JUNE 2017 www.ti.com Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Pin Configuration and Functions ......................... 3 6 Specifications......................................................... 4 6.1 Absolute Maximum Ratings ...................................... 4 6.2 ESD Ratings.............................................................. 4 6.3 Recommended Operating Conditions....................... 4 6.4 Thermal Information ................................................. 4 6.5 Electrical Characteristics .......................................... 5 6.6 Typical Characteristics .............................................. 6 7 Detailed Description .............................................. 8 7.1 Overview ................................................................... 8 7.2 Functional Block Diagram ......................................... 8 7.3 Feature Description................................................... 8 7.4 Device Functional Modes.......................................... 9 8 Application and Implementation ........................ 12 8.1 Application Information............................................ 12 8.2 Typical Application ................................................. 12 9 Power Supply Recommendations...................... 15 10 Layout................................................................... 15 10.1 Layout Guidelines ................................................. 15 10.2 Layout Example .................................................... 15 11 Device and Documentation Support ................. 16 11.1 Receiving Notification of Documentation Updates 16 11.2 Community Resources.......................................... 16 11.3 Trademarks ........................................................... 16 11.4 Electrostatic Discharge Caution ............................ 16 11.5 Glossary ................................................................ 16 12 Mechanical, Packaging, and Orderable Information ........................................................... 16 4 Revision History DATE June 2017 REVISION * NOTES Initial release. 2 Submit Documentation Feedback Product Folder Links: LM555-MIL Copyright © 2017, Texas Instruments Incorporated www.ti.com 5 Pin Configuration and Functions D, P, and DGK Packages 8-Pin SOIC, PDIP, and VSSOP Top View LM555-MIL SNAS745 – JUNE 2017 GND 1 8 +VCC TRIGGER 2 OUTPUT 3 COMPARATOR FLIP FLOP OUTPUT STAGE 7 R DISCHARGE R R COMPARATOR 6 THRESHOLD RESET 4 VREF (INT) 5 CONTROL VOLTAGE PIN NO. NAME 5 Control Voltage 7 Discharge 1 GND 3 Output 4 Reset 6 Threshold 2 Trigger 8 V+ Pin Functions I/O DESCRIPTION Controls the threshold and trigger levels. It determines the pulse width of the output I waveform. An external voltage applied to this pin can also be used to modulate the output waveform I Open collector output which discharges a capacitor between.


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