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PDF IN74VHCT125 Data sheet ( Hoja de datos )
| Número de pieza | IN74VHCT125 | |
| Descripción | Quad 3-State Buffer | |
| Fabricantes | IK Semiconductor | |
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Quad 3-State Noninverting Buffers
IN74VHCT125 is high-speed logic IC made by CMOS
technology and designed for use in high-performance
calculating systems with a wide supply voltage range.
As for operation speed, IN74VHCT125 can be compared
with equivalent bipolar ICs based on Schottky TTL and two
times surpasses ICs of IN74НС series.
IN74VHCT125 tolerates operation under conditions when
voltage on input & output is exceeded up to 7V without
affecting characteristics and IC reliability. This possibility
allows to use IN74VHCT125 in radio-electronic devices for
interfacing with supply voltages 5V and 3V, eliminate IC
failure under supply voltage source emergency outage.
Use of output edge shaping block in the microcircuit
allows to reduce noise amplitude of noises when switching
outputs into the same state simultaneously.
Input levels of IN74VHCT125 are compatible with TTL level
and output levels with CMOS levels.
TECHNICAL DATA
IN74VHCT125
ORDERING INFORMATION
IN74VHCT125N Plastic
IN74VHCT125D SOIC
TA = -40° to 85° C for all
packages
Features:
• Supply voltage range 4.5 to 5.5 V.
• Output current 8 mA.
• Low consumption current: 0.2 mkA (typical value) at Та = 25 °С.
• Latchup current not less than 300 mA at Та = 85 °С.
• Tolerable value of static potential not less than 2000 V as per human body model
(HBM) and not less than 200 V as per machine model (ММ).
• Ambient operation temperature minus 40 to plus 85 °С.
• Balanced signal propagation delay.
w • Ensures voltage exceeding mode on input
w • Low noise level at the simultaneous switching of outputs in the same state:
w VOLP = 0.8 V (max).
• For pins and functions, compatible with IN74HCT125.
.DataSheet4U.com.
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1 page  
IN74VHCT125
AC electrical characteristics (tLH = tHL = 3.0 ns)
Symbol
Parameter
Test conditions VCC, V
CL,
pF
tPHL, tPLH Propagation delay time Fig 1
when switching "on",
"off"
5.0 ± 0.5 15
50
Value
25 °C
–40
to 85 °C
min max min max
– 5.5 – 6.5
– 7.5 – 8.5
Unit
ns
tPHZ , tPLZ Propagation delay time Fig 2
under transition from
high , low level into "off"
state
tPZH , tPZL Propagation delay time Fig 2
under transition from
«off» state into high, low
level
tOSLH, Propagation
tOSHL difference
outputs
delays -
between
5.0 ± 0.5 50 – 8.8 – 10.0 ns
5.0 ± 0.5 15 – 5.1 – 6.0 ns
50 – 7.1 – 8.0
5.0 ± 0.5 50 – 1.0 – 1.0 ns
Capacitance characteristics
Symbol
Parameter
CI Input capacity
CO Output capacity
CРD Dynamic capacity
Test conditions
-
-
VI = 0 V orVCC
VCC, V
5.0
5.0
5.0
Value
25 °C
min max
10
12
28
Noise characteristics (CL = 50 pF)
Parameter
Symbol
VOLP
VOLV
VCC, V
Positive noise of low output voltage 5.0
Negative noise of low output 5.0
voltage
VIHD Input dynamic high voltage
VILD Input dynamic low voltage
5.0
5.0
Value
min max
- 0.8
-0.8 -
2.0
0.8
Unit
pF
pF
pF
Unit
V
5
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| PDF Descargar | [ Datasheet IN74VHCT125.PDF ] | |
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