LM556J/NOPB National Semiconductor, LM556J/NOPB Datasheet

LM556J/NOPB

Manufacturer Part Number

LM556J/NOPB

Description

Manufacturer

National Semiconductor

Type

Standardr

Datasheet

1.LM556JNOPB.pdf (6 pages)

Specifications of LM556J/NOPB

# Internal Timers

Power Dissipation

1.785W

Operating Supply Voltage (min)

4.5V

Operating Supply Voltage (typ)

5/9/12/15V

Operating Supply Voltage (max)

18V

Package Type

CDIP

High Level Output Current

-200mA

Low Level Output Current

200mA

Pin Count

Operating Temp Range

-55C to 125C

Operating Temperature Classification

Military

Mounting

Through Hole

Lead Free Status / RoHS Status

Compliant

Current page: 1 of 6
Download datasheet (159Kb)

C 1995 National Semiconductor Corporation

LM556 LM556C Dual Timer

General Description

The LM556 Dual timing circuit is a highly stable controller

capable 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 tim-

ers operate independently of each other sharing only V

and ground The circuits may be triggered and reset on fall-

ing waveforms The output structures may sink or source

200 mA

Features

Schematic Diagram

Connection Diagram

Direct replacement for SE556 NE556

Timing from microseconds through hours

Operates in both astable and monostable modes

Replaces two 555 timers

Dual-In-Line and Small Outline Packages

Top View

TL H 7852

TL H 7852– 1

Applications

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

Precision timing

Pulse generation

Sequential timing

Time delay generation

Pulse width modulation

Pulse position modulation

Linear ramp generator

Order Number LM556J or LM556CJ

See NS Package Number M14A

See NS Package Number N14A

See NS Package Number J14A

Order Number LM556CM

Order Number LM556CN

RRD-B30M115 Printed in U S A

February 1995

TL H 7852 – 2

Related parts for LM556J/NOPB

LM556J/NOPB Summary of contents

Page 1

... Operates in both astable and monostable modes Y Replaces two 555 timers Y Schematic Diagram Connection Diagram Dual-In-Line and Small Outline Packages Top View C 1995 National Semiconductor Corporation TL H 7852 Adjustable duty cycle Y Output can source or sink 200 mA Y Output and supply TTL compatible Y ...

Page 2

... 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 1) LM556J LM556CJ LM556CN Operating Temperature Ranges LM556C LM556 b Electrical Characteristics Parameter Supply Voltage Supply Current ...

Page 3

Electrical Characteristics Parameter Output Voltage Drop (Low) V 15V SINK I e SINK I e SINK I e SINK SINK I e SINK Output Voltage Drop (High) I SOURCE I ...

Page 4

Typical Performance Characteristics Minimum Pulse Width Required for Triggering Low Output Voltage vs Output Sink Current Output Propagation Delay vs Voltage Level of Trigger Pulse Supply Current vs Supply Voltage (Each Section) Low Output Voltage vs Output Sink Current Output ...

Page 5

Physical Dimensions inches (millimeters) Order Number LM556J or LM556CJ Ceramic Dual-In-Line Package (J) NS Package Number J14A S O Molded Package (M) Order Number LM556CM NS Package Number M14A 5 ...

Page 6

... Hong Kong Ltd 49) 0-180-530 85 86 13th Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...

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