IDT49FCT20805
2.5V CMOS DUAL 1-TO-5 CLOCK DRIVER
INDUSTRIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
(3,4)
Symbol
t
PLH
t
PHL
t
R
t
F
t
SK(O)
t
SK(P)
t
SK(PP)
t
PZL
t
PZH
t
PLZ
t
PHZ
f
MAX
Parameter
Propagation Delay
IN
A
to OAn, IN
B
to OBn
Output Rise Time (0.8V to 2V)
Output Fall Time (2V to 0.8V)
Same device output pin to pin skew
(5)
Pulse skew
(6,9)
Part to part skew
(7)
Output Enable Time
OE
A
to OAn,
OE
B
to OBn
Output Disable Time
OE
A
to OAn,
OE
B
to OBn
Input Frequency
—
133
MHz
—
5.2
ns
Conditions
(1)
C
L
= 15pF
f
≤
133MHz
—
—
—
—
—
—
1.5
1.5
270
270
550
5.2
ns
ns
ps
ps
ps
ns
Min
.
(2)
1
Max
.
3
Unit
ns
Symbol
t
PLH
t
PHL
t
R
t
F
t
SK(O)
t
SK(P)
t
SK(PP)
t
PZL
t
PZH
t
PLZ
t
PHZ
f
MAX
Parameter
Propagation Delay
IN
A
to OAn, IN
B
to OBn
Output Rise Time (0.7V to 1.7V)
Output Fall Time (1.7V to 0.7V)
Same device output pin to pin skew
(5)
Pulse skew
(6,9)
Part to part skew
(7)
Output Enable Time
OE
A
to OAn,
OE
B
to OBn
Output Disable Time
OE
A
to OAn,
OE
B
to OBn
Input Frequency
Conditions
(1,8)
C
L
= 15pF
133MHz
≤
f
≤
166MHz
Min
.
(2)
0.5
—
—
—
—
—
—
—
—
Max
.
2.5
1.25
1.25
200
270
550
5.2
5.2
166
Unit
ns
ns
ns
ps
ps
ps
ns
ns
MHz
NOTES:
1. See test circuits and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. t
PLH
and t
PHL
are production tested. All other parameters guaranteed but not production tested.
4. 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.
5. Skew measured between all outputs under identical transitions and load conditions.
6. Skew measured is difference between propagation delay times t
PHL
and t
PLH
of same outputs under identical load conditions.
7. Part to part skew for all outputs given identical transitions and load conditions at identical V
CC
levels and temperature.
8. Airflow of 1m/s is recommended for frequencies above 133MHz.
9. This parameter is measured using f = 1MHz.
5
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
