74HCT244BQ-G NXP Semiconductors, 74HCT244BQ-G Datasheet - Page 7
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74HCT244BQ-G
Manufacturer Part Number
74HCT244BQ-G
Description
Buffers & Line Drivers OCTAL BUFFER 3-STATE
Manufacturer
NXP Semiconductors
Datasheet
1.74HC244DB-T.pdf
(18 pages)
Specifications of 74HCT244BQ-G
Product Category
Buffers & Line Drivers
Rohs
yes
Number Of Input Lines
8
Number Of Output Lines
8
Polarity
Non-Inverting
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SOT-764-20
High Level Output Current
- 6 mA
Logic Family
HCT
Logic Type
CMOS
Low Level Output Current
6 mA
Minimum Operating Temperature
- 40 C
Number Of Channels Per Chip
8
Output Type
3-State
Propagation Delay Time
22 ns at 4.5 V
Factory Pack Quantity
3000
Part # Aliases
74HCT244BQ,115
NXP Semiconductors
Table 7.
GND = 0 V; for load circuit see
[1]
[2]
[3]
[4]
[5]
74HC_HCT244
Product data sheet
Symbol Parameter
t
t
t
C
74HCT244
t
t
t
t
C
en
dis
t
pd
en
dis
t
PD
PD
t
t
t
t
C
P
f
f
C
V
N = number of inputs switching;
(C
pd
en
dis
t
i
o
D
CC
PD
L
is the same as t
= input frequency in MHz;
= output frequency in MHz;
is the same as t
is the same as t
= output load capacitance in pF;
= C
is the same as t
is used to determine the dynamic power dissipation (P
= supply voltage in V;
L
V
enable time
disable time
transition time
power dissipation
capacitance
propagation delay nAn to nYn;
enable time
disable time
transition time
power dissipation
capacitance
PD
Dynamic characteristics
CC
V
2
CC
f
2
o
) = sum of outputs.
f
THL
PHL
PZH
PHZ
i
N + (C
and t
and t
and t
and t
TLH
PLH
PZL
PLZ
Conditions
nOE to nYn; see
nOE to nYn or see
see
per buffer; V
see
nOE to nYn; V
Figure 7
nOE to nYn; V
Figure 7
V
per buffer;
V
.
Figure
CC
I
.
.
.
L
V
V
V
V
V
V
V
V
V
V
V
= GND to V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
Figure 6
Figure 6
= 4.5 V; see
CC
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 4.5 V
= 5.0 V; C
8.
…continued
2
f
All information provided in this document is subject to legal disclaimers.
o
I
) where:
= GND to V
CC
CC
CC
L
Figure 7
Figure 6
1.5 V
= 4.5 V; see
= 4.5 V; see
Rev. 4 — 24 September 2012
= 15 pF
Figure 7
CC
D
in W):
[2]
[3]
[4]
[5]
[1]
[2]
[3]
[4]
[5]
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
74HC244; 74HCT244
25 C
Typ
36
13
10
39
14
14
35
13
15
15
35
11
11
5
4
5
Octal buffer/line driver; 3-state
Max
150
150
30
26
30
26
60
12
10
22
30
25
12
-
-
-
40 C to +125 C Unit
(85 C)
Max
190
190
38
33
38
33
75
15
13
28
38
31
15
-
-
-
© NXP B.V. 2012. All rights reserved.
(125 C)
Max
225
225
45
38
45
38
90
18
15
33
45
38
18
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ns
ns
ns
ns
ns
pF
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