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74VHC14_07 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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74VHC14_07
ST-Microelectronics
STMicroelectronics ST-Microelectronics
74VHC14_07 Datasheet PDF : 15 Pages
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74VHC14
HEX SCHMITT inverter
Features
High speed: tPD = 5.5ns (typ.) at VCC = 5V
Low power dissipation:
ICC = 2 µA (Max.) at TA = 25°C
Typical hysteresis: Vh = 1V at VCC = 4.5V
Power down protection on inputs
Symmetrical output impedance:
|IOH| = IOL = 8 mA (Min)
Balanced propagation delays:
tPLH tPHL
Operating voltage range:
VCC(Opr) = 2V to 5.5V
Pin and function compatible with
74 series 14
Improved latch-up immunity
Low noise: VOLP = 0.8V (Max.)
Description
The 74VHC14 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 enables high noise
immunity and stable output.
Power down protection is provided on all inputs
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.
SO-14
TSSOP14
Pin configuration and function are the same as
those of the 74VHC04 but the 74VHC14 has
hysteresis.
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.
Table 1. Device summary
Part number
74VHC14MTR
74VHC14TTR
May 2007
Package
SO-14
TSSOP14
Rev 7
Packaging
Tape and reel
Tape and reel
1/15
www.st.com
15
 

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