CF5072 series
AC Characteristics
Recommended operating conditions apply unless otherwise noted
Rating
Typ
Parameter
Symbol
Conditions
Unit
Min
Max
Measurement circuit 1, measured at output
crossing point, Ta = 25°C, V = 3.3V
DD
Output duty cycle 1
Output duty cycle 2
Duty1
Duty2
45
50
50
–
55
%
%
V
Measurement circuit 1, measured at 50% output
swing, Ta = 25°C, V = 3.3V
DD
45
55
–
Measurement circuit 1, peak-to-peak of output
waveform
1
Output swing
V
0.4
Opp
Output rise time
t
Measurement circuit 1, output swing 20% to 80%
Measurement circuit 1, output swing 80% to 20%
Measurement circuit 3, Ta = 25°C
–
–
–
–
0.5
0.5
–
1
ns
ns
ns
ns
r
Output fall time
t
1
f
Output enable delay time
Output disable delay time
t
200
200
OE
t
Measurement circuit 3, Ta = 25°C
–
OD
1. The said values are measured by using the NPC standard jig.
V
DD
OH
VOpp
tf
tr
OUTN
OUT
V
80%
20%
VDD – 2V
tW
tPER
VSS
DUTY1 = (tW
/
tPER
)
100
Figure 1. PECL output waveform
tOD
tOE
OE
VDD
VDD/2
GND
VDD
LOW-level
(High impedance)
OUT
OUTN
GND
Figure 2. OE timing waveform
NIPPON PRECISION CIRCUITS INC.—5
SEIKO [ SEIKO EPSON CORPORATION ]
