HIT HD74ACT365, HD74AC365 Datasheet
HD74AC365/HD74ACT365
Hex Buffer/Driver with 3-State Output
Features
• 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
• Outputs Source/Sink 24 mA
• HD74ACT365 has TTL-Compatible Inputs
Pin Arrangement
1
1 VCC
OE
I
2
O
3
I
4
O
5
6
I
O
7
GND
8
(Top view)
16
15
14
13
12
11
10
OE2
I
O
I
O
I
9
O
HD74AC365/HD74ACT365
Logic Symbol
OE1
OE2
Pin Names
OI
OE1, OE
2
3-State Output: Enable Input (Active Low)
I Inputs
O Outputs
Truth Table
Inputs Output
OE
1
OE
2
IO
LL L L
LL H H
XH X Z
HX X Z
H : High Voltage Level
L : Low Voltage Level
X : Immaterial
Z : High Impedance
DC Characteristics (unless otherwise specified)
Item Symbol Max Unit Condition
Maximum quiescent supply current I
Maximum quiescent supply current I
Maximum ICC/input (HD74ACT365) I
CC
CC
CCT
80 µAV
8.0 µAV
1.5 mA VIN = VCC – 2.1 V, VCC = 5.5 V,
= VCC or ground, VCC = 5.5 V,
IN
Ta = Worst case
= VCC or ground, VCC = 5.5 V,
IN
Ta = 25°C
Ta = Worst case
2
AC Characteristics: HD74AC365
HD74AC365/HD74ACT365
Item Symbol V
Propagation delay t
PLH
(V)*1Min Typ Max Min Max Unit
CC
3.3 1.0 7.0 9.0 1.0 10.0 ns
5.0 1.0 5.0 7.0 1.0 7.5
Propagation delay t
PHL
3.3 1.0 7.0 9.0 1.0 10.0 ns
5.0 1.0 5.0 7.0 1.0 7.5
Enable time t
PZH
3.3 1.0 9.0 12.5 1.0 13.0 ns
5.0 1.0 7.0 9.0 1.0 9.5
Enable time t
PZL
3.3 1.0 10.0 12.5 1.0 13.5 ns
5.0 1.0 8.0 10.0 1.0 10.5
Disable time t
PHZ
3.3 1.0 9.5 12.0 1.0 12.5 ns
5.0 1.0 7.5 10.0 1.0 10.5
Disable time t
PLZ
3.3 1.0 9.0 12.5 1.0 13.5 ns
5.0 1.0 7.0 10.0 1.0 10.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
AC Characteristics: HD74ACT365
Ta = +25°C
C
= 50 pF
L
Ta = –40°C to +85°C
CL = 50 pF
Item Symbol V
Propagation delay t
Propagation delay t
Enable time t
Enable time t
Disable time t
Disable time t
PLH
PHL
PZH
PZL
PHZ
PLZ
Ta = +25°C
C
= 50 pF
L
(V)*1Min Typ Max Min Max Unit
CC
5.0 1.0 6.5 9.0 1.0 10.0 ns
5.0 1.0 6.5 9.0 1.0 10.0 ns
5.0 1.0 8.0 10.5 1.0 11.0 ns
5.0 1.0 9.5 12.0 1.0 13.0 ns
5.0 1.0 9.5 12.0 1.0 13.0 ns
5.0 1.0 8.0 10.5 1.0 11.5 ns
Ta = –40°C to +85°C
CL = 50 pF
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Capacitance
Item Symbol Typ Unit Condition
Input capacitance C
Power dissipation capacitance C
IN
PD
4.5 pF VCC = 5.5 V
45.0 pF VCC = 5.0 V
3
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