Datasheet > TC74HC423AP_07

TC74HC423AP_07

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
东芝 - TOSHIBA		振荡器
页数	文件大小	规格书
12页	466K
描述
CMOS Digital Integrated Circuit Silicon Monolithic Dual Retriggerable Monostable Multivibrator

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数据手册

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TC74HC423AP_07 数据手册

TC74HC423AP/AF

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74HC423AP,TC74HC423AF

Dual Retriggerable Monostable Multivibrator

The TC74HC423A is a high speed CMOS MONOSTABLE

MULTIVIBRATOR fabricated with silicon gate C²MOS

TC74HC423AP

technology.

It achieves the high speed operation similar to equivalent

LSTTL while maintaining the CMOS low power dissipation.

There are two trigger inputs, A input (negative edge), and B

input (positive edge). These inputs are valid for a slow rise/fall

time signal (tr = tf = 1 s) as they are schmitt trigger inputs.

After triggering, the output stays in a MONOSTABLE state for

a time period determined by the external resistor and capacitor

(Rx, Cx ). A low level at the CLR input breaks this state. In the

MONOSTABLE state, if a new trigger is applied, it extends the

TC74HC423AF

MONOSTABLE period (retrigger mode).

Limitations for Cx and Rx are:

External capacitor, Cx: No limit

External resistor, Rx: V

= 2.0 V more than 5 kΩ

≥ 3.0 V more than 1 kΩ

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

Features (Note)

: 1.00 g (typ.)

: 0.18 g (typ.)

•

High speed: t = 25 ns (typ.) at V

= 5 V

Low power dissipation

Standby state: I

= 4 μA (max) at Ta = 25°C

Active state: I

= 700 μA (max) at V

= 5 V

(min)

•

High noise immunity: V

= V = 28% V

NIL CC

NIH

Output drive capability: 10 LSTTL loads

Symmetrical output impedance: |I | = I

= 4 mA (min)

∼

−

Balanced propagation delays: t

pHL

pLH

Wide operating voltage range: V

(opr) = 2~6 V

Pin and function compatible with 74LS423

Note: In the case of using only one circuit, CLR should be tied to GND, Rx/Cx･Cx･Q･ Q should be tied to

OPEN, the other inputs should be tied to V

or GND.

2007-10-01

12 3 4 5 6 7...12

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