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74V1G14CTR-74V1G14STR
SINGLE SCHMITT INVERTER
1/9July 2001 HIGH SPEED: tPD = 4.3ns (TYP.) at VCC = 5V LOW POWER DISSIPATION:CC = 1μA(MAX.) at TA =25°C TYPICAL HYSTERESIS: Vh=1V at VCC=4.5V POWER DOWN PROTECTION ON INPUT SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8mA (MIN) at VCC=4.5V BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL OPERATING VOLTAGE RANGE:CC (OPR) = 2V to 5.5V IMPROVED LATCH-UP IMMUNITY
DESCRIPTIONThe 74V1G14 is an advanced high-speed CMOS
SINGLE SCHMITT INVERTER fabricated with
sub-micron silicon gate and double-layer metal
wiring C2 MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which provide high noise
immunity and stable output.
Power down protection is provided on input and 0
to 7V can be accepted on input with no regard to
the supply voltage. This device can be used to
interface 5V to 3V. Pin configuration and function
are the same as those of the 74V1G04 but the
74V1G14 has hysteresis.
This together with its schmitt trigger function
allows it to be used on line receivers with slow
rise/fall input signals.
The input is equipped with protection circuits
against static discharge, giving it ESD immunity
and transient excess voltage.
74V1G14SINGLE SCHMITT INVERTER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
74V1G142/9
INPUT 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
74V1G143/9
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns)
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5.0V ± 0.5V
74V1G144/9
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
TEST CIRCUIT CL = 15/50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM: PROPAGATION DELAY (f=1MHz; 50% duty cycle)
