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Fairchild 74VHCT14A Hex Schmitt Inverter Data Handbook

Summary

The VHCT14A is a high-speed CMOS Hex Schmitt Inverter designed for robust signal processing and interfacing diverse systems, such as 3V to 5V operations. It features exceptional noise immunity, jitter-free outputs, and comprehensive power down protection circuits. This technical manual provides professional engineers with complete details on electrical characteristics, recommended operating conditions, various package options (SOIC, SOP, TSSOP), and guidelines necessary for reliable integration into next-generation electronic devices.

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74V 14A ex S ch itt Inverter

December 2007

74VHCT14A Hex Schmitt Inverter Features General Description High speed: t PD = 5.0ns (Typ.) at TA = 25°C The VHCT14A is an advanced high speed CMOS Hex

High noise immunity: VIH = 2.0V, VIL = 0.8V Schmitt Inverter fabricated with silicon gate CMOS technology. The VHCT14A contains six independent

Power down protection is provided on all inputs and

inverters which are capable of transforming slowly

outputs

changing input signals into sharply defined, jitter-free

Low noise: VOLP = 1.0V (Max.)

output signals.

Low power dissipation: ICC = 2µA (Max.) @ TA = 25°C

Protection circuits ensure that 0V to 7V can be applied to

Pin and function compatible with 74HCT14

the input pins without regard to the supply voltage and to the output pins with VCC = 0V. These circuits prevent device destruction due to mismatched supply and input/output voltages. This device can be used to inter- face 3V to 5V systems and two supply systems such as battery backup.

Ordering Information

Package

Order Number Number Package Description 74VHCT14AM M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012,

0.150" Narrow

74VHCT14ASJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHCT14AMTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC

MO-153, 4.4mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.

All packages are lead free per JEDEC: J-STD-020B standard.

©1 998 Fairchild Semiconductor Corporation www.fairchildsemi.com 74V HCT14A Rev. 1.5.0

Page Summary Contents For Fairchild 74VHCT14A Hex Schmitt Inverter Data Handbook

Page 1 74V 14A ex S ch itt Inverter December 2007 74VHCT14A Hex Schmitt Inverter Features General Description High speed: t PD = 5.0ns (Typ.) at TA = 25°C The VHCT14A is an advanced high speed CMOS Hex High ...
Page 2 74V 14A ex S ch itt Inverter Connection Diagram Logic Symbol Truth Table Pin Description Pin Names Description An Inputs On Outputs ©1 998 Fairchild Semiconductor Corporation www.fairchildsemi.com 74V...
Page 3 74V 14A ex S ch itt Inverter Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating ...
Page 4 74V 14A ex S ch itt Inverter DC Electrical Characteristics TA = –40°C TA = 25°C to +85°C Symbol Parameter VCC (V) Conditions Typ. Max. Min. Max. Units Min. VP Positive Threshold 4.5 1.9 1.9 Voltage VN...
Page 5 74V 14A ex S ch itt Inverter Physical Dimensions PIN ONE INDICATOR 1.27 0.51 LAND PATTERN RECOMMENDATION 0.25 BC 1.75 MAX SEE DETAIL NOTES: UNLESS OTHERWISE SPECIFIED A) THIS PACKAGE CONFORMS TO JEDEC...
Page 6 74V 14A ex S ch itt Inverter Physical Dimensions (Continued) Figure 2. 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package drawings are provided as a service to customers considering...
Page 7 74V 14A ex S ch itt Inverter Physical Dimensions (Continued) 0.43 TYP 0.65 12.00°TOP R0.09 min A. CONFORMS TO JEDEC REGISTRATION MO-153, R0.09min VARIATION AB, REF NOTE 1.00 B. DIMENSIONS ARE IN MILLI...
Page 8 74V 14A ex S ch itt Inverter TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not int...

Manual Details

Brand Fairchild
Pages 8
File Size 289.93 KB
Published June 16, 2026
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Frequently Asked Questions

What voltage systems can this inverter interface with?

It can interface 3V to 5V systems and dual supply systems, such as battery backup.

How does the device handle slow or unstable input signals?

Power down protection is provided on all inputs, transforming slowly changing signals into sharply defined, jitter-free pulses.

What are the absolute maximum voltage ratings for Vcc and Vin?

The absolute maximum rating for both Supply Voltage (Vcc) and Input Voltage (Vin) is –0.5V to +7.0V.

What physical packages are available when ordering this chip?

It is available in 14-Lead Small Outline ICs like SOIC, SOP, and TSSOP.