NE556 datasheet(1/16 Pages) STMICROELECTRONICS

部品番号	NE556

部品情報	General-purpose dual bipolar timers

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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1 / 16 page

January 2009

Rev 2

1/16

16

NE556

SA556 - SE556

General-purpose dual bipolar timers

Features

■ Low turn-off time

■ Maximum operating frequency greater than

500 kHz

■ Timing from microseconds to hours

■ Operates in both astable and monostable

modes

■ Output can source or sink up to 200 mA

■ Adjustable duty cycle

■ TTL compatible

■ Temperature stability of 0.005% per °C

Description

The NE556, SA556 and SE556 dual monolithic

timing circuits are highly stable controllers

capable of producing accurate time delays or

oscillation. 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 the

duty cycle are both accurately controlled with two

external resistors and one capacitor.

The circuits may be triggered and reset on falling

waveforms, and the output structure can source

or sink up to 200 mA.

N

DIP14

(Plastic package)

D

SO14

(Plastic micropackage)

Pin connections

(top view)

Trigger

Output

Control Voltage

4

8

5

6

7

9

10

11

12

13

14

Trigger

Threshold

Discharge

Reset

Output

Discharge

GND

1

2

3

Threshold

Control Voltage

Reset

CC

V

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同様の部品番号 - NE556

メーカー	部品番号	データシート	部品情報
NXP Semiconductors	NE556	103Kb / 5P	Dual timer August 31, 1994
STMicroelectronics	NE556	641Kb / 8P	GENERAL PURPOSE DUAL BIPOLAR TIMERS Jun-2003
Texas Instruments	NE556	71Kb / 5P	DUAL PRECISION TIMERS
Fairchild Semiconductor	NE556	44Kb / 8P	Dual Timer
Texas Instruments	NE556	755Kb / 19P	DUAL PRECISION TIMERS

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同様の説明 - NE556

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