
IDT54/74FCT16240T/AT/CT/ET,162240T/AT/CT/ET
FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
5.1
6
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
2541 tbl 09
FCT16240CT/162240CT
FCT16240ET/162240ET
Com'l.
Mil.
Com'l.
Mil.
Symbol
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
SK
(o) Output Skew
(3)
Parameter
Condition
(1)
C
L
= 50pF
R
L
= 500
Min.
(2)
1.5
Max.
4.3
Min.
(2)
1.5
Max.
4.7
Min.
(2)
1.5
Max.
3.2
Min.
(2)
—
Max.
—
Unit
ns
Propagation Delay
xAx to x
Y
x
Output Enable Time
1.5
5.8
1.5
6.5
1.5
4.4
—
—
ns
Output Disable Time
1.5
5.2
1.5
5.7
1.5
3.6
—
—
ns
—
0.5
—
0.5
—
0.5
—
—
ns
FCT16240T/162240T
FCT16240AT/162240AT
Com'l.
Mil.
Com'l.
Mil.
Symbol
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
SK
(o) Output Skew
(3)
Parameter
Condition
(1)
C
L
= 50pF
R
L
= 500
Min.
(2)
1.5
Max.
8.0
Min.
(2)
1.5
Max.
9.0
Min.
(2)
1.5
Max.
4.8
Min.
(2)
1.5
Max.
5.1
Unit
ns
Propagation Delay
xAx to x
Y
x
Output Enable Time
1.5
10.0
1.5
10.5
1.5
6.2
1.5
6.5
ns
Output Disable Time
1.5
9.5
1.5
10.0
1.5
5.6
1.5
5.9
ns
—
0.5
—
0.5
—
0.5
—
0.5
ns