IDT49FCT805/A
FAST CMOS BUFFER/CLOCK DRIVER
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
(1)
FCT805
Symbol
t
PLH
t
PHL
t
R
t
F
t
SK(O)
t
SK(P)
t
SK(PP)
Parameter
Propagation Delay
IN
A
to OAn, IN
B
to OBn
Output Rise Time
Output Fall Time
Output skew: skew between outputs of all banks of
same package (inputs tied together)
Pulse skew: skew between opposite transitions
of same output (|t
PHL -–
t
PLH
|)
Part-to-part skew: skew between outputs of different
packages at same power supply voltage,
t
PZL
t
PZH
t
PLZ
t
PHZ
temperature, package type and speed grade
Output Enable Time
OE
A
to OAn,
OE
B
to OBn
Output Disable Time
OE
A
to OAn,
OE
B
to OBn
1.5
1.5
8
7
1.5
1.5
8
7
ns
ns
Conditions
(2)
C
L
= 50pF
R
L
= 500Ω
Min
.
1.5
—
—
—
—
—
Max
.
5.6
1.5
1.5
0.7
1
1.5
Min
.
1.5
—
—
—
—
—
FCT805A
Max
.
5.3
1.5
1.5
0.7
1
1.5
Unit
ns
ns
ns
ns
ns
ns
NOTES:
1. Propagation delay range indicated by Min. and Max. limit is due to V
CC
, operating temperature and process parameters. These propagation delay limits do not imply skew.
2. See test circuits and waveforms.
5