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74HC244 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. 74HC244
Description  Octal buffer/line driver; 3-state
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC244 Datasheet(HTML) 5 Page - NXP Semiconductors

  74HC244 Datasheet HTML 1Page - NXP Semiconductors 74HC244 Datasheet HTML 2Page - NXP Semiconductors 74HC244 Datasheet HTML 3Page - NXP Semiconductors 74HC244 Datasheet HTML 4Page - NXP Semiconductors 74HC244 Datasheet HTML 5Page - NXP Semiconductors 74HC244 Datasheet HTML 6Page - NXP Semiconductors 74HC244 Datasheet HTML 7Page - NXP Semiconductors  
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December 1990
5
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74HC/HCT244
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr =tf = 6 ns; CL =50pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
−40 to +85 −40 to +125
min.
typ.
max. min. max. min.
max.
tPHL/ tPLH
propagation delay
1An to 1Yn;
2An to 2Yn
30
11
9
110
22
19
145
28
24
165
33
28
ns
2.0
4.5
6.0
Fig.5
tPZH/ tPZL
3-state output enable time
1OE to 1Yn;
2OE to 2Yn
36
13
10
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.6
tPHZ/ tPLZ
3-state output disable time
1OE to 1Yn;
2OE to 2Yn
39
14
11
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.6
tTHL/ tTLH
output transition time
14
5
4
60
12
10
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.5


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