NE556 Fairchild Semiconductor, NE556 Datasheet

Timers & Support Products

NE556

Manufacturer Part Number
NE556
Description
Timers & Support Products
Manufacturer
Fairchild Semiconductor
Type
Standardr
Datasheets

Specifications of NE556

Number Of Internal Timers
2
Supply Voltage (max)
16 V
Supply Voltage (min)
4.5 V
Maximum Power Dissipation
600 mW
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Package / Case
PDIP-14
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Features
• Replaces Two LM555/NE556 Timers
• Operates in Both Astable And Monostable Modes
• High Output Current
• TTL Compatible
• Timing From Microsecond To Hours
• Adjustable Duty Cycle
• Temperature Stability Of 0.005% Per C
Applications
• Precision Timing
• Pulse Shaping
• Pulse Width Modulation
• Frequency Division
• Traffic Light Control
• Sequential Timing
• Pulse Generator
• Time Delay Generator
• Touch Tone Encoder
• Tone Burst Generator
Internal Block Diagram
©2001 Fairchild Semiconductor Corporation
LM556/NE556
Dual Timer
Description
The LM556/NE556 series dual monolithic timing circuits
are a highly stable controller capable of producing accurate
time delays or oscillation. The LM556/NE556 is a dual
LM555. Timing is provided an external resistor and capaci-
tor for each timing function. The two timers operate inde-
pendently of each other, sharing only V
circuits may be triggered and reset on falling waveforms.
The output structures may sink or source 200mA.
14-DIP
1
www.fairchildsemi.com
14-SOP
CC
1
and ground. The
Rev. 1.0.0

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