IN74VHCT244 Datasheet PDF - IK Semiconductor
| Part Number | IN74VHCT244 | |
| Description | Octal Buffer/Line Driver | |
| Manufacturers | IK Semiconductor | |
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TECHNICAL DATA
Octal Buffer /Line Driver NINV (3-state)
IN74VHCT244
IN74VHCT244 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, IN74VHCT244 can be compared
with equivalent bipolar ICs based on Schottky TTL and two
times surpasses ICs of IN74НС series.
IN74VHCT244 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 IN74VHCT244 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 IN74VHCT244 are compatible with TTL
level and output levels with CMOS levels.
ORDERING INFORMATION
IN74VHCT244N Plastic
IN74VHCT244DW 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 IN74HCT244.
.DataSheet4U.com.
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IN74VHCT244
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"
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 15
50
5.0 ± 0.5 50
5.0 ± 0.5 15
50
5.0 ± 0.5 50
Value
25 °C
–40
to 85 °C
min max min max
– 7.4 – 8.5
– 8.4 – 9.5
– 11.4 – 13.0
– 10.4 – 12.0
– 11.4 – 13.0
– 1.0 – 1.0
Unit
ns
ns
ns
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
18
36
Noise characteristics (CL = 50 pF)
Symbol
VOLP
VOLV
Parameter
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
- 1.1
-1.1 -
2.0
0.8
Unit
pF
pF
pF
Unit
V
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IN74VHCT244 electronic component. |
| Information | Total 7 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IN74VHCT244.PDF Datasheet ] | |
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