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MC74VHCT244A Datasheet(PDF) 3 Page - ON Semiconductor

Part No. MC74VHCT244A
Description  Octal Bus Buffer/Line Driver with 3-State Outputs
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74VHCT244A Datasheet(HTML) 3 Page - ON Semiconductor

   
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MC74VHCT244A
VHC Data – Advanced CMOS Logic
DL203 — Rev 1
3
MOTOROLA
DC ELECTRICAL CHARACTERISTICS
Unit
TA = – 40 to 85°C
TA = 25°C
VCC
V
Test Conditions
Parameter
Symbol
Unit
Max
Min
Max
Typ
Min
VCC
V
Test Conditions
Parameter
Symbol
ICCT
Quiescent Supply
Current
Per Input: VIN = 3.4V
Other Input: VCC or GND
5.5
1.35
1.50
mA
IOPD
Output Leakage
Current
VOUT = 5.5V
0
0.5
5.0
µA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
Sb l
P
T
C
di i
TA = 25°C
TA = – 40 to 85°C
Ui
Symbol
Parameter
Test Conditions
Min
Typ
Max
Min
Max
Unit
tPLH,
tPHL
Maximum Propagation Delay
A to YA or B to YB
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
5.4
5.9
7.4
8.4
1.0
1.0
8.5
9.5
ns
tPZL,
tPZH
Output Enable Time
OEA to YA or OEB to YB
VCC = 5.0 ± 0.5V
CL = 15pF
RL = 1kΩ
CL = 50pF
7.7
8.2
10.4
11.4
1.0
1.0
12.0
13.0
ns
tPLZ,
tPHZ
Output Disable Time
OEA to YA or OEB to YB
VCC = 5.0 ± 0.5V
CL = 50pF
RL = 1kΩ
8.8
11.4
1.0
13.0
ns
tOSLH,
tOSHL
Output to Output Skew
VCC = 5.0 ± 0.5V
CL = 50pF
(Note NO TAG)
1.0
1.0
pF
Cin
Maximum Input Capacitance
4
10
10
pF
Cout
Maximum Three–State Output
Capacitance (Output in
High–Impedance State)
9
pF
C
P
Di
i
i
C
i
(N
NO TAG)
Typical @ 25
°C, VCC = 5.0V
F
CPD
Power Dissipation Capacitance (Note NO TAG)
18
pF
1. Parameter guaranteed by design. tOSLH = |tPLHm – tPLHn|, tOSHL = |tPHLm – tPHLn|.
2. 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) = CPD  VCC  fin + ICC / 8 (per bit). CPD is used to determine the no–load
dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Sb l
P
TA = 25°C
Ui
Symbol
Parameter
Typ
Max
Unit
VOLP
Quiet Output Maximum Dynamic VOL
0.9
1.1
V
VOLV
Quiet Output Minimum Dynamic VOL
– 0.9
– 1.1
V
VIHD
Minimum High Level Dynamic Input Voltage
2.0
V
VILD
Maximum Low Level Dynamic Input Voltage
0.8
V


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