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74VHCT14A

更新时间： 2024-10-01 22:56:23

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
7页	55K
描述
HEX SCHMITT INVERTER

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中文翻译

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数据手册

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74VHCT14A 数据手册

74VHCT14A

HEX SCHMITT INVERTER

PRELIMINARY DATA

■

HIGH SPEED:t_PD=4 ns (TYP.) atV_CC=5V

LOW POWER DISSIPATION:

_CC=2 µA (MAX.) at T_A=25 ^oC

■

TYPICAL HYSTERESIS:0.7Vat V_CC= 4.5V

POWERDOWN PROTECTIONON INPUTS&

OUTPUTS

(Micro Package)

(TSSOPPackage)

■

SYMMETRICAL OUTPUT IMPEDANCE:

|I_OH| = I_OL= 8 mA (MIN)

BALANCEDPROPAGATIONDELAYS:

t_PLHt_PHL

OPERATING VOLTAGERANGE:

V_CC(OPR)= 4.5V to 5.5V

PIN AND FUNCTION COMPATIBLEWITH

74 SERIES14

ORDER CODES :

74VHCT14AM

74VHCT14AT

Power down protection is provided on all inputs

and outputs and 0 to 7V can be accepted on

inputs with no regard to the supply voltage. This

device can be used to interface 5V to 3V.

Pin configuration and function are the same as

those of the VHC04 but the VHC14 has

hysteresis.

■

IMPROVED LATCH-UP IMMUNITY

LOWNOISE:V_OLP= 0.8V(Max.)

DESCRIPTION

This together with its schmitt trigger function

allows it to be used on line receivers with slow

rise/fall input signals.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

The 74VHCT14A is an advanced high-speed

CMOS HEX SCHMITT INVERTER fabricated

with sub-micron silicon gate and double-layer

metal wiring C²MOS technology.

The internal circuit is composed of 3 stages

including buffer output, which enable high noise

immunity and stable output.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/7

August 1999

12 3 4 5 6 7

中文翻译

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