74VHC14TTR_12 查看數據表（PDF） - STMicroelectronics

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74VHC14TTR_12

Hex Schmitt inverter

STMicroelectronics 

74VHC14

Hex Schmitt inverter

Datasheet − production data

Features

■ High speed: tPD = 5.5 ns (typ.) at VCC = 5 V

■ Low power dissipation

– ICC = 2 μA (max.) at TA = 25 °C

■ Typical hysteresis: Vh = 1 V at VCC = 4.5 V

■ Power-down protection on inputs

– Symmetrical output impedance

|IOH| = IOL = 8 mA (min.)

■ Balanced propagation delay: tPLH ≅ tPHL

■ Operating voltage range

– VCC (opr.) = 2 V to 5.5 V

■ Pin and function compatible with 74 series 14

■ Improved latch-up immunity

■ Low noise

– VOLP = 0.8 V (max.)

■ ESD performance

– HBM: 2000 V

– MM: 200 V

– CDM: 1000 V

Applications

■ Automotive

■ Industrial

■ Computer

■ Consumer

TSSOP14

SO-14

Description

The 74VHC14 device is an advanced high-speed

CMOS hex Schmitt inverter manufactured with

sub-micron silicon gate and double-layer metal

wiring C2MOS technology. The internal circuit is

composed of 3 stages including a buffer output,

which provides high noise immunity and stable

output.

Power-down protection is provided on all inputs

and 0 to 7 V can be accepted on inputs

regardless of the supply voltage. This device can

be used to interface from 5 V to 3 V.

Pin configuration and function are the same as

those of the 74VHC04 device but the 74VHC14

device has hysteresis.

This along with its Schmitt trigger function allows

the device 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 2 kV ESD immunity and transient excess

voltage.

Table 1. Device summary

Order code

Temperature range

Package

Packaging

Marking

74VHC14TTR

74VHC14YTTR(1)

74VHC14MTR

74VHC14YMTR(1)

-55/+125 °C

-40/+125 °C

-55/+125 °C

-40/+125 °C

TSSOP14

TSSOP14 (automotive grade)

SO-14

SO-14 (automotive grade)

Tape and reel

Tape and reel

Tape and reel

Tape and reel

VHC14

VHC14Y

74VHC14

74VHC14Y

1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC

Q001 and Q002 or equivalent.

October 2012

This is information on a product in full production.

Doc ID 5741 Rev 9

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www.st.com

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