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PDF TC74LCX14FT Data sheet ( Hoja de datos )

Número de pieza TC74LCX14FT
Descripción LOW VOLTAGE HEX SCHMITT INVERTER WITH 5V TOLERANT INPUTS AND OUTPUTS
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TC74LCX14F/FN/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LCX14F,TC74LCX14FN,TC74LCX14FT
Low-Voltage Hex Schmitt Inverter with 5-V Tolerant Inputs and Outputs
The TC74LCX14F/FN/FT is a high-performance CMOS schmitt
inverter. Designed for use in 3.3-V systems, it achieves
high-speed operation while maintaining the CMOS low power
dissipation.
The device is designed for low-voltage (3.3 V) VCC applications,
but it could be used to interface to 5-V supply environment for
inputs.
Pin configuration and function are the same as the
TC74LCX04 but the inputs have hysteresis and with Schmitt
trigger function, the TC74LCX14F/FN/FT can be used as a line
receivers which will receive slow input signals.
All inputs are equipped with protection circuits against static
discharge.
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74LCX14F
TC74LCX14FN
Features
· Low-voltage operation: VCC = 2.0 to 3.6 V
· High-speed operation: tpd = 6.5 ns (max) (VCC = 3.0 to 3.6 V)
· Ouput current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V)
· Latch-up performance: ±500 mA
www.DataSheet4U.com· Available in JEDEC SOP, JEITA SOP and TSSOP
TC74LCX14FT
· Power-down protection provided on all inputs and outputs
· Pin and function compatible with the 74 series
(74AC/VHC/HC/F/ALS/LS etc.) 14 type
Weight
SOP14-P-300-1.27: 0.18 g (typ.)
SOL14-P-150-1.27: 0.12 g (typ.)
TSSOP14-P-0044-0.65: 0.06 g (typ.)
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1 2002-01-11
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TC74LCX14FT pdf
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Capacitive Characteristics (Ta = 25°C)
TC74LCX14F/FN/FT
Characteristics
Input capacitance
Output capacitance
Power dissipation capacitance
Symbol
CIN
COUT
CPD
fIN = 10 MHz
Test Condition
¾
¾
VCC (V)
3.3
Typ.
7
08
(Note 10) 3.3
25
Unit
pF
pF
pF
Note 10: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPDVCCfIN + ICC/6 (per gate)
AC Test Circuit
Output
Measure
CL = 50 pF
RL = 500 W
Figure 1
AC Waveform
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tf 2.5 ns
tr 2.5 ns
90%
2.7 V
Input
1.5 V
10%
GND
Output
tpLH
1.5 V
tpHL
VOH
VOL
Figure 2 tpLH, tpHL
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5 2002-01-11
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