MC14538BDR2

更新时间： 2024-01-02 08:31:58

品牌	Logo	应用领域
安森美 - ONSEMI		振荡器逻辑集成电路光电二极管
页数	文件大小	规格书
12页	289K
描述
Dual Precision Retiggerable/Resettable Monostable Multivibrator

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数据手册

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MC14538BDR2 数据手册

MC14538B

OPERATING CONDITIONS

External Timing Resistance

External Timing Capacitance

(8.)

—

5.0

—

kΩ

µF

(9.)

Limit

8. The maximum usable resistance R is a function of the leakage of the capacitor C , leakage of the MC14538B, and leakage due to board

layout and surface resistance. Susceptibility to externally induced noise signals may occur for R > 1 MΩ..

9. If C > 15 µF, use discharge protection diode per Fig. 11.

2 (14)

ENABLE

–

ref1

–

6 (10)

(9)

ref2

ENABLE

OUTPUT

LATCH

(15)

CONTROL

4 (12)

5 (11)

NOTE: Pins 1, 8 and 15 must

be externally grounded

3 (13)

RESET LATCH

RESET

Figure 1. Logic Diagram

(1/2 of DevIce Shown)

0.1 µF

CERAMIC

500 pF

R ′

C ′

C /R

20 ns

RESET

A′

90%

10%

Q′

0 V

B′

RESET′

Figure 2. Power Dissipation Test Circuit and Waveforms

http://onsemi.com

1 2 3 456 7 8...12

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