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74ACT14MSTMicroelectronicsN/a3350avaiHEX SCHMITT INVERTER
74ACT14MSTN/a371avaiHEX SCHMITT INVERTER
74ACT14MTIN/a150avaiHEX SCHMITT INVERTER
74ACT14TTRSTN/a5avaiHEX SCHMITT INVERTER


74ACT14M ,HEX SCHMITT INVERTER74ACT14HEX SCHMITT INVERTER ■ HIGH SPEED: t = 7.2 ns (TYP.) at V = 5VPD CC■ LOW POWER DISSIPATION: ..
74ACT14M ,HEX SCHMITT INVERTERAbsolute Maximum Ratings are those values beyond which damage to the device may occur. Functional o ..
74ACT14M ,HEX SCHMITT INVERTERABSOLUTE MAXIMUM RATINGS Symbol Parameter Value UnitV Supply Voltage-0.5 to +7 VCCV DC Input V ..
74ACT14MTC ,Hex Inverter Schmitt Trigger Input74AC14 • 74ACT14 Hex Inverter with Schmitt Trigger InputNovember 1988Revised February 200574AC14  ..
74ACT14MTC ,Hex Inverter Schmitt Trigger Input74AC14 • 74ACT14 Hex Inverter with Schmitt Trigger InputNovember 1988Revised February 200574AC14  ..
74ACT14MTCX ,Hex Inverter Schmitt Trigger InputFeaturesThe 74AC14 and 74ACT14 contain six inverter gates each

74ACT14M-74ACT14TTR
HEX SCHMITT INVERTER
1/8April 2001 HIGH SPEED: tPD = 7.2 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION:CC = 4μA(MAX.) at TA =25°C 50Ω TRANSMISSION LINE DRIVING
CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24mA (MIN) BALANCED PROPAGATION DELAYS:PLH ≅ tPHL OPERATING VOLTAGE RANGE:CC (OPR) = 2V to 5.5V PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 14 IMPROVED LATCH-UP IMMUNITY
DESCRIPTION

The 74ACT14 is an advanced high-speed CMOS
HEX SCHMITT INVERTER fabricated with
sub-micron silicon gate and double-layer metal
wiring C2 MOS tecnology.
The internal circuit is composed of 3 stages
including buffer output, which enables high noise
immunity and stable output.
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
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 protec-
tion circuits against static discharge, giving them
2KV ESD immunity and transient excess voltage.
74ACT14

HEX SCHMITT INVERTER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
74ACT14
2/8
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS

1) VIN from 0.8V to 2.0V
74ACT14
3/8
DC SPECIFICATIONS

1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50Ω
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)

(*) Voltage range is 5.0V ± 0.5V
CAPACITIVE CHARACTERISTICS

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/6 (per gate)
74ACT14
4/8
TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)
RL = R1 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)


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