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74VHCT14ATTR Arkusz danych(PDF) 1 Page - STMicroelectronics

Numer części 74VHCT14ATTR
Szczegółowy opis  HEX SCHMITT inverter
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
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74VHCT14ATTR Arkusz danych(HTML) 1 Page - STMicroelectronics

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May 2007
Rev 2
1/15
15
74VHCT14A
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 = 0.7V at VCC = 4.5V
Power down protection on inputs & outputs
Symmetrical output impedance:
|IOH| = IOL = 8 mA (Min)
Balanced propagation delays:
tPLH tPHL
Operating voltage range:
VCC(Opr) = 4.5V to 5.5V
Pin and function compatible with
74 series 14
Improved latch-up immunity
Low noise: VOLP = 0.8V (Max.)
Description
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 provides high noise
immunity and stable output.
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 since all
inputs are equipped with TTL threshold.
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.
SO-14
TSSOP14
www.st.com
Table 1. Device summary
Part number
Package
Packaging
74VHCT14AMTR
SO-14
Tape and reel
74VHCT14ATTR
TSSOP14
Tape and reel


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