Datasheet TLC555 (Texas Instruments) - 3

TLC555 www.ti.com
SLFS043H – SEPTEMBER 1983 – REVISED AUGUST 2016
5 Device Comparison Table SMALL CHIP CERAMIC PLASTIC V SSOP TSSOP DEVICE T DD A OUTLINE CARRIER DIP DIP RANGE (PS) (PW) (D) (FK) (JG) (P)
TLC555C 0°C to 70°C 2 V to 15 V ✓ — — ✓ ✓ ✓ TLC555I –40°C to 85°C 3 V to 15 V ✓ — — ✓ — — TLC555M –55°C to 125°C 5 V to 15 V — ✓ ✓ — — — TLC555Q –40°C to 125°C 5 V to 15 V ✓ — — — — —
6 Pin Configuration and Functions TLC555C: D, P, and PS Packages TLC555C: PW Package 8-Pin SOIC, PDIP, SOP 14-Pin TSSOP Top View Top View
GND 1 8 VDD GND 1 14 VDD TRIG 2 7 DISCH NC 2 13 NC OUT 3 6 THRES TRIG 3 12 DISCH RESET 4 5 CONT NC 4 11 NC OUT 5 10 THRES NC 6 9 NC RESET 7 8 CONT
Pin Functions: TLC555C PIN SOIC, I/O DESCRIPTION NAME PDIP, TSSOP SOP
Controls comparator thresholds. Outputs 2/3 V CONT 5 8 I DD and allows bypass capacitor connection. DISCH 7 12 O Open collector output to discharge timing capacitor GND 1 1 Ground 2, 4, 6, NC — — No internal connection 9, 11, 13 OUT 3 5 O High current timer output signal RESET 4 7 I Active low reset input forces output and discharge low THRES 6 10 I End of timing input. THRES > CONT sets output low and discharge low. TRIG 2 3 I Start of timing input. TRIG < ½ CONT sets output high and discharge open. VDD 8 14 — Power-supply voltage Copyright © 1983–2016, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TLC555 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 Recommended Operating Conditions 7.3 Thermal Information 7.4 Electrical Characteristics: VDD = 2 V for TLC555C, VDD = 3 V for TLC555I 7.5 Electrical Characteristics: VDD = 5 V 7.6 Electrical Characteristics: VDD = 15 V 7.7 Electrical Characteristics: VDD = 5 V 7.8 Typical Characteristics 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Monostable Operation 8.3.2 Astable Operation 8.3.3 Frequency Divider 8.4 Device Functional Modes 9 Application and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Missing-Pulse Detector 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curve 9.2.2 Pulse-Width Modulation 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.3 Application Curve 9.2.3 Pulse-Position Modulation 9.2.3.1 Design Requirements 9.2.3.2 Detailed Design Procedure 9.2.3.3 Application Curve 9.2.4 Sequential Timer 9.2.4.1 Design Requirements 9.2.4.2 Detailed Design Procedure 9.2.4.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Receiving Notification of Documentation Updates 12.2 Community Resources 12.3 Trademarks 12.4 Electrostatic Discharge Caution 12.5 Glossary 13 Mechanical, Packaging, and Orderable Information