NE555NB 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

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NE555NB

Timer

Philips Electronics 

Philips Semiconductors Linear Products

Timer

Product specification

NE/SA/SE555/SE555C

TYPICAL APPLICATIONS

VCC

.01µF

DISCHARGE

CONTROL

VOLTAGE

THRESHOLD

TRIGGER

RA

8

7

555 OR 1/2 556

RB

5

6

R

COMP

R

FLIP

FLOP

2

COMP

OUTPUT

3

OUTPUT

R

C

4

RESET

Astable Operation

VCC

f

+

(RA

1.49

) 2RB)C

.01µF

DISCHARGE

CONTROL

VOLTAGE

THRESHOLD

RA

8

7

555 OR 1/2 556

R

5

6

COMP

C

R

FLIP

FLOP

TRIGGER

*

1

3

VCC

2

COMP

R

4

RESET

Monostable Operation

| ∆t |

OUTPUT

3

OUTPUT

∆T = 1.1RC

August 31, 1994

351

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