LM556CJ National Semiconductor, LM556CJ Datasheet

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LM556CJ

Manufacturer Part Number
LM556CJ
Description
Dual Timer
Manufacturer
National Semiconductor
Datasheet

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© 2000 National Semiconductor Corporation
LM556
Dual Timer
General Description
The LM556 Dual timing circuit is a highly stable controller ca-
pable of producing accurate time delays or oscillation. The
556 is a dual 555. Timing is provided by an external resistor
and capacitor for each timing function. The two timers oper-
ate independently of each other sharing only V
ground. The circuits may be triggered and reset on falling
waveforms. The output structures may sink or source
200mA.
Connection Diagram
Ordering Information
14-Pin SOIC
14-Pin MDIP
Package
Part Number
LM556CMX
LM556CM
LM556CN
DS007852
Dual-In-Line, Small Outline Packages
Package Marking
CC
LM556CM
LM556CM
LM556CN
and
Top View
Features
n Direct replacement for SE556/NE556
n Timing from microseconds through hours
n Operates in both astable and monostable modes
n Replaces two 555 timers
n Adjustable duty cycle
n Output can source or sink 200mA
n Output and supply TTL compatible
n Temperature stability better than 0.005% per ˚C
n Normally on and normally off output
Applications
n Precision timing
n Pulse generation
n Sequential timing
n Time delay generation
n Pulse width modulation
n Pulse position modulation
n Linear ramp generator
2.5k Units Tape and Reel
Media Transport
Rails
Rails
DS007852-1
NSC Drawing
M14A
N14a
www.national.com
March 2000

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LM556CJ Summary of contents

Page 1

... Ordering Information Package Part Number 14-Pin SOIC LM556CM LM556CMX 14-Pin MDIP LM556CN © 2000 National Semiconductor Corporation Features n Direct replacement for SE556/NE556 n Timing from microseconds through hours n Operates in both astable and monostable modes n Replaces two 555 timers and n Adjustable duty cycle ...

Page 2

Schematic Diagram www.national.com 2 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Power Dissipation (Note 2) LM556CM LM556CN Operating Temperature Ranges LM556C Electrical Characteristics (T = 25˚ +5V to +15V, unless otherwise specified Parameter ...

Page 4

Electrical Characteristics (T = 25˚ +5V to +15V, unless otherwise specified Parameter Output Voltage Drop (High) Rise Time of Output Fall Time of Output Matching Characteristics Initial Timing Accuracy Timing Drift with Temperature Drift with Supply ...

Page 5

Typical Performance Characteristics High Output Voltage vs. Output Source Current Low Output Voltage vs. Output Sink Current Output Propagation Delay vs. Voltage Level of Trigger Pulse (Continued) Low Output Voltage vs. Output Sink Current DS007852-5 Low Output Voltage vs. Output ...

Page 6

Typical Performance Characteristics Discharge Transistor (Pin 1, 13) Voltage vs. Sink Current www.national.com (Continued) Discharge Transistor (Pin 1, 13) Voltage vs. Sink Current DS007852-11 6 DS007852-12 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead (0.118” Wide) Molded Mini Small Outline Package Small Outline Package (M) NS Package Number M14A NS Package Number N14A 7 www.national.com ...

Page 8

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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