Datasheet > 74LCX139T

74LCX139T

更新时间： 2024-11-03 23:24:19

品牌	Logo	应用领域
其他 - ETC		解复用器逻辑集成电路光电二极管驱动
页数	文件大小	规格书
9页	79K
描述
2-To-4-Line Demultiplexer

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中文翻译

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数据手册

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74LCX139T 数据手册

74LCX139

LOW VOLTAGE

DUAL 2 TO 4 DECODER/DEMULTIPLEXER

■

5V TOLERANT INPUTS

HIGH SPEED:

t_PD=6.2 ns (MAX.)atV_CC= 3V

POWER-DOWN PROTECTIONON INPUTS

AND OUTPUTS

SYMMETRICAL OUTPUT IMPEDANCE:

|I_OH| = I_OL= 24 mA (MIN)

PCI BUSLEVELSGUARANTEED AT 24mA

BALANCEDPROPAGATIONDELAYS:

t_PLHt_PHL

■

(Micro Package)

(TSSOPPackage)

ORDER CODES :

■

74LCX139M

74LCX139T

■

OPERATING VOLTAGERANGE:

environment for inputs.

V_CC(OPR)= 2.0Vto 3.6V (1.5VDataRetention)

The active low enable input can be used for

gating or as a data input for demultiplexing

applications. While the enable input is held high,

all four outputs are high independently of the

other inputs.

It has same speed performanece at 3.3V than 5V

AC/ACT family, conbined with a lower power

consumptinon.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

PIN AND FUNCTION COMPATIBLEWITH

74 SERIES139

LATCH-UPPERFORMANCE EXCEEDS500mA

ESDPERFORMANCE:

■

HBM >2000V; MM > 200V

DESCRIPTION

The 74LCX139 is a low voltage CMOS DUAL 2

LINE DECODER/ DEMULTIPLEXER

fabricated with sub-micron silicon gate and

double-layermetal wiring C²MOS technology.

It is ideal for low power and high speed 3.3V

applications; it can be inerfaced to 5V signal

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/9

June 2000

12 3 4 5 6 7...9

中文翻译

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