HD74AC368/HD74ACT368
Hex Inverter Buffer with 3-State Output
Features
•
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
•
Outputs Source/Sink 24 mA
•
HD74ACT368 has TTL-Compatible Inputs
Pin Arrangement
OE
1
I
O
I
O
I
O
GND
1
2
3
4
5
6
7
8
(Top view)
16 V
CC
15
OE
2
14 I
13
O
12 I
11
O
10 I
9
O
HD74AC368/HD74ACT368
Logic Symbol
OE
I
O
Pin Names
OE
1
,
OE
2
I
O
3-State Output: Enable Input (Active Low)
Inputs
Outputs
Truth Table
Inputs
OE
L
L
H
H
L
X
Z
:
:
:
:
High Voltage Level
Low Voltage Level
Immaterial
High Impedance
I
L
H
X
Output
O
L
H
Z
DC Characteristics
(unless otherwise specified)
Item
Maximum quiescent supply current
Maximum quiescent supply current
Maximum I
CC
/input (HD74ACT368)
Symbol
I
CC
I
CC
I
CCT
Max
80
8.0
1.5
Unit
µA
µA
mA
Condition
V
IN
= V
CC
or ground, V
CC
= 5.5 V,
Ta = Worst case
V
IN
= V
CC
or ground, V
CC
= 5.5 V,
Ta = 25°C
V
IN
= V
CC
– 2.1 V, V
CC
= 5.5 V,
Ta = Worst case
2
HD74AC368/HD74ACT368
AC Characteristics: HD74AC368
Ta = +25°C
C
L
= 50 pF
Item
Propagation delay
Symbol
t
PLH
V
CC
(V)*
1
3.3
5.0
Propagation delay
t
PHL
3.3
5.0
Enable time
t
PZH
3.3
5.0
Enable time
t
PZL
3.3
5.0
Disable time
t
PHZ
3.3
5.0
Disable time
t
PLZ
3.3
5.0
Note:
1. Voltage Range 3.3 is 3.3 V
±
0.3 V
Voltage Range 5.0 is 5.0 V
±
0.5 V
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Typ
7.0
5.0
7.0
4.5
9.0
7.0
10.0
7.5
9.5
7.5
9.0
7.0
Max
9.0
7.0
9.0
7.0
13.0
9.5
12.5
10.0
12.0
10.0
12.5
10.0
Ta = –40°C to +85°C
C
L
= 50 pF
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max
10.0
7.5
10.0
7.5
13.5
10.0
13.5
10.5
12.5
10.5
13.5
10.5
ns
ns
ns
ns
ns
Unit
ns
AC Characteristics: HD74ACT368
Ta = +25°C
C
L
= 50 pF
Item
Propagation delay
Propagation delay
Enable time
Enable time
Disable time
Disable time
Note:
Symbol
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
V
CC
(V)*
1
5.0
5.0
5.0
5.0
5.0
5.0
Min
1.0
1.0
1.0
1.0
1.0
1.0
Typ
6.5
6.0
8.0
8.0
9.0
8.5
Max
9.0
9.0
10.0
12.0
12.0
11.0
Ta = –40°C to +85°C
C
L
= 50 pF
Min
1.0
1.0
1.0
1.0
1.0
1.0
Max
10.0
10.0
11.0
13.0
13.0
12.0
Unit
ns
ns
ns
ns
ns
ns
1. Voltage Range 5.0 is 5.0 V
±
0.5 V
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
C
IN
C
PD
Typ
4.5
40.0
Unit
pF
pF
Condition
V
CC
= 5.5 V
V
CC
= 5.0 V
3
19.20
20.00 Max
16
9
7.40 Max
6.30
Unit: mm
1
1.3
1.11 Max
8
0.51 Min
2.54 Min 5.06 Max
7.62
2.54
±
0.25
0.48
±
0.10
0.25
– 0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
+ 0.13
DP-16
Conforms
Conforms
1.07 g
Unit: mm
10.06
10.5 Max
16
9
5.5
1
*0.22
±
0.05
0.20
±
0.04
8
0.80 Max
2.20 Max
0.20
7.80
+ 0.30
–
1.15
0° – 8°
0.70
±
0.20
1.27
*0.42
±
0.08
0.40
±
0.06
0.12 M
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
FP-16DA
—
Conforms
0.24 g
*Dimension including the plating thickness
Base material dimension
0.10
±
0.10
0.15
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