mc74vhc244 ON Semiconductor, mc74vhc244 Datasheet - Page 4

• Manufacturer Part Number: mc74vhc244
• Description: Octal Noninverting Bus Buffer, 3 State
• Manufacturer: ON Semiconductor

6. Parameter guaranteed by design. t
7. C
AC ELECTRICAL CHARACTERISTICS
NOISE CHARACTERISTICS
Symbol
t
t
Symbol
OSLH
t
t
t
t
t
t
OSHL
C
C
Average operating current can be obtained by the equation: I
dynamic power consumption; P
PLH
PZL
PLZ
PHL
PZH
PHZ
C
V
V
V
V
out
PD
PD
in
OLP
OLV
IHD
ILD
,
,
,
,
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Power Dissipation Capacitance (Note 7)
Maximum Propagation
Delay, A to YA or
B to YB
Output Enable Time
OEA to YA or
OEB to YB
Output Disable Time
OEA to YA or
OEB to YB
Output to Output Skew
Maximum Input
Capacitance
Maximum Three--State
Output Capacitance
(Output in High--Impedance
State)
Quiet Output Maximum Dynamic V
Quiet Output Minimum Dynamic V
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
Parameter
(Input t
D
= C
OSLH
PD
r
V
V
V
R
V
R
V
R
V
R
V
(Note 6)
V
(Note 6)
= t
¯ V
CC
CC
CC
CC
CC
CC
CC
CC
L
L
L
L
= |t
f
= 1 kΩ
= 1 kΩ
= 1 kΩ
= 1 kΩ
= 3.0 ns, C
(Input t
CC
= 3.3 ± 0.3 V
= 5.0 ± 0.5 V
= 3.3 ± 0.3 V
= 5.0 ± 0.5 V
= 3.3 ± 0.3 V
= 5.0 ± 0.5 V
= 3.3 ± 0.3 V
= 5.0 ± 0.5 V
PLHm
OL
OL
Test Conditions
2
¯ f
Parameter
-- t
in
r
= t
PLHn
+ I
L
f
CC
= 3.0 ns)
http://onsemi.com
= 50 pF, V
|, t
¯ V
C
C
C
C
C
C
C
C
C
C
C
C
OSHL
CC(OPR
L
L
L
L
L
L
L
L
L
L
L
L
CC
= 15 pF
= 50 pF
= 15 pF
= 50 pF
= 15 pF
= 50 pF
= 15 pF
= 50 pF
= 50 pF
= 50 pF
= 50 pF
= 50 pF
.
= |t
CC
4
)
= C
PHLm
= 5.0 V)
PD
Min
-- t
¯ V
PHLn
CC
T
A
¯ f
10.3
Typ
5.8
8.3
3.9
5.4
6.6
9.1
4.7
6.2
6.7
|.
= 25°C
4
6
in
+ I
CC
Max
11.9
10.6
14.1
14.0
/8 (per bit). C
8.4
5.5
7.5
7.3
9.3
9.2
1.5
1.0
10
Typical @ 25°C, V
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
T
A
PD
≤ 85°C
--0.6
Typ
0.6
is used to determine the no--load
Max
10.0
13.5
12.5
16.0
10.5
16.0
10.5
6.5
8.5
8.5
1.5
1.0
10
T
A
19
= 25°C
Min
CC
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
- -55°C ≤ T
≤ 125°C
Max
--0.9
0.9
3.5
1.5
= 5.0V
Max
14.5
13.5
17.0
17.0
11.0
11.5
11.5
7.5
9.5
9.5
1.5
1.5
10
A
Unit
V
V
V
V
Unit
pF
pF
pF
ns
ns
ns
ns