HCT244 System Logic Semiconductor, HCT244 Datasheet - Page 4

• Manufacturer Part Number: HCT244
• Description: Octal 3-State Noninverting Buffer/Line Driver/Line Receiver(High-Performance Silicon-Gate CMOS)
• Manufacturer: System Logic Semiconductor

AC ELECTRICAL CHARACTERISTICS
t
t
t
t
Symbol
SLS
PLH
PLZ
PZL
TLH
C
C
C
OUT
, t
, t
, t
, t
PD
IN
PHZ
PZH
PHL
THL
System Logic
Semiconductor
Figure 1. Switching Waveforms
Maximum Propagation Delay, A to YA or B to YB
(Figures 1 and 3)
Maximum Propagation Delay , Output Enable to
YA or YB (Figures 2 and 4)
Maximum Propagation Delay , Output Enable to
YA or YB (Figures 2 and 4)
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
Maximum Input Capacitance
Maximum Three-State Output Capacitance
(Output in High-Impedance State)
Power Dissipation Capacitance (Per Enabled
Output)
Used to determine the no-load dynamic power
consumption:
P
D
=C
Figure 3. Test Circuit
PD
V
CC
2
f+I
CC
V
CC
Parameter
(V
CC
=5.0 V 10%, C
25 C to
-55 C
Typical @25 C,V
Figure 2. Switching Waveforms
20
26
22
12
10
15
L
Guaranteed Limit
=50pF,Input t
Figure 4. Test Circuit
85 C
25
33
28
15
10
15
55
CC
SL74HCT244
r
=5.0 V
=t
125 C
f
=6.0 ns)
30
39
33
18
10
15
Unit
pF
pF
pF
ns
ns
ns
ns