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.
Page 1 Text Content
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
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.