UPC1555G2

更新时间： 2024-11-19 21:54:07

品牌	Logo	应用领域
日电电子 - NEC		/
页数	文件大小	规格书
12页	105K
描述
TIMER CIRCUIT

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中文翻译

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数据手册

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UPC1555G2 数据手册

DATA SHEET

MOS INTEGRATED CIRCUIT

Bipolar Analog Integrated Circuit

µPC1555

TIMER CIRCUIT

The µPC1555 is a powerful integrated circuit. Adding a few external parts to it can turn it into various types of

timing signal generators, such as monostable and astable multivibrators. It has trigger, threshold, and control pins.

Inputting a signal to the reset pin can stop the circuit operation easily. In addition, the output can sink current as high

as 200 mA (maximum). So, it can be used to drive relays and lamps.

TYPICAL CHARACTERISTICS

FEATURES

• Supply voltage

: 4.5 to 16 V

• Monostable and astable oscillation

• Interfacing directly with TTL-level signals

• Variable duty cycle

• Circuit current (V^CC= 5 V) : 3 mA

• Output current capacity

• Temperature stability

• Rising and falling time

: 200 mA

: 0.005%/°C

: 100 ns

ORDERING INFORMATION

PIN CONFIGURATION (TOP VIEW)

Part number

Package

GND

V^CC

µPC1555C 8-pin plastic DIP (300 mil)

µPC1555G2 8-pin plastic SOP (225 mil)

COMP

Trigger

Output

Discharge

Threshold

Flip-flop

Output

stage

COMP

Reset

Control voltage

VREF

EQUIVALENT CIRCUIT

1²k

Ω

6.2

Ω

5³k

Ω

7.5k

Ω

3.9

Threshold

kΩ

(3V^CC

)

Control

5 k

Ω

10 k

Ω

Output

4.7 k

Ω

GND

Trigger

₂₃120

100

Reset

3.3k

Ω

5 k

Ω

Discharge

Document No. G10649EJ6V0DS00 (6th edition)

(Previous No. IC-1979)

Date Published November 1995 P

Printed in Japan

1986

12 3 4 5 6 7...12

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