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74HC244 Datasheet(PDF) 5 Page - Silicon Supplies

Part No. 74HC244
Description  High Speed CMOS Logic
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Manufacturer  SS [Silicon Supplies]
Direct Link  https://siliconsupplies.com/
Logo SS - Silicon Supplies

74HC244 Datasheet(HTML) 5 Page - Silicon Supplies

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High Speed CMOS Logic – 74HC244 
Rev 1.1
01/05/18
 
AC Electrical Characteristics5
 
LIMITS
PARAMETER
SYMBOL
VCC
CONDITIONS
FULL RANGE
4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
25°C
85°C
UNITS
2.0V
96
115
115
3.0V
50
60
60
4.5V
18
23
23
Maximum Propagation
Delay,
CL = 50pF,
A to YA
or B to YB
(Figure 1, 3)
tPLH, tPHL
ns
tr = tf = 6ns
6.0V
15
20
20
2.0V
110
140
140
3.0V
60
70
70
4.5V
22
28
28
Maximum Propagation
Delay,
CL = 50pF,
Output Enable
to YA or YB
(Figure 2,4)
tPLZ, tPHZ
ns
tr = tf = 6ns
6.0V
19
24
24
2.0V
110
140
140
3.0
60
70
70
4.5V
22
28
28
Maximum Propagation
Delay,
CL = 50pF,
Output Enable
to YA or YB
(Figure 2,4)
tPZL, tPZH
ns
tr = tf = 6ns
6.0V
19
24
24
2.0V
60
75
75
3.0V
23
27
27
4.5V
12
15
15
Maximum Output Rise
CL = 50pF,
and Fall Time
(Figure 1, 3)
tTLH, tTHL
ns
tr = tf = 6ns
6.0V
10
13
13
Maximum Input
Capacitance
CIN
-
-
10
10
10
pF
Maximum Three-State
Output Capacitance
(Output in High-
Impedance State)
COUT
-
-
15
15
15
pF
TYPICAL
Power Dissipation
TA = 25°C,
pF
Capacitance
(Per Buffer)
5
CPD
-
VCC = 5.0V
34
5. Not production tested in die form, characterized by chip design and tested in package LAT.
6. Used to determine the no-load dynamic power consumption: PD = CPD VCC
2f + ICC VCC.
Page 5 of 6 
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