M54HC123DG

更新时间： 2024-11-04 13:10:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		振荡器
页数	文件大小	规格书
11页	328K
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中文翻译

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数据手册

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M54HC123DG 数据手册

M54HC123

RAD-HARD DUAL

RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

■

HIGH SPEED: t_PD= 23 ns (TYP.) at V_CC= 6V

LOW POWER DISSIPATION:

STAND BY STATE:

I_CC=4µA (MAX.) at T_A=25°C

ACTIVE STATE:

I_CC=200µA (MAX.) at V_CC= 5V

HIGH NOISE IMMUNITY:

DILC-16

FPC-16

■

V_NIH= V_NIL= 28% V_CC(MIN.)

SYMMETRICAL OUTPUT IMPEDANCE:

|I_OH| = I_OL= 4mA (MIN)

BALANCED PROPAGATION DELAYS:

t_PLHt_PHL

WIDE OPERATING VOLTAGE RANGE:

V_CC(OPR) = 2V to 6V

WIDE OUTPUT PULSE WIDTH RANGE:

t_WOUT= 120 ns ~ 60 s OVER AT V_CC= 4.5 V

PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 123

SPACE GRADE-1: ESA SCC QUALIFIED

50 krad QUALIFIED, 100 krad AVAILABLE ON

REQUEST

ORDER CODES

PACKAGE

DILC

FPC

M54HC123D

M54HC123K

M54HC123D1

M54HC123K1

are valid for slow rising/falling signals, (tr=tf=l sec).

The device may also be triggered by using the

CLR input (positive-edge) because of the

Schmitt-trigger input; after triggering the output

maintains the MONOSTABLE state for the time

period determined by the external resistor R_Xand

capacitor C_X. When C_X> 10nF and R_X> 10KΩ,

the output pulse width value is approximately

given by the formula: t_W(OUT)= K · C_x· R_x.

(K 0.45).

■

NO SEL UNDER HIGH LET HEAVY IONS

IRRADIATION

DEVICE FULLY COMPLIANT WITH

SCC-9207-006

Taking CLR low breaks this MONOSTABLE

STATE. If the next trigger pulse occurs during the

MONOSTABLE

period

makes

the

MONOSTABLE period longer. Limit for values of

C_xand R_x: C_x: NO LIMIT

DESCRIPTION

R_x: V_CC< 3.0V 5KΩ to 1MΩ

The M54HC123 is an high speed CMOS

MONOSTABLE MULTIVIBRATOR fabricated with

silicon gate C²MOS technology.

There are two trigger inputs, A INPUT (negative

edge) and B INPUT (positive edge). These inputs

V_CC> 3.0V 1KΩ to 1MΩ

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

PIN CONNECTION

March 2004

1/11

12 3 4 5 6 7...11

中文翻译

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