Ds4266 ddr clock oscillator, Electrical characteristics (continued) – Rainbow Electronics DS4266 User Manual
Page 3

DS4266
DDR Clock Oscillator
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.135V to 3.465V, T
A
= -40°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LVDS
Output High Voltage
V
OHLVDSO
100
differential load (Note 1)
1.475
V
Output Low Voltage
V
OLLVDSO
100
differential load (Note 1)
0.925
V
Differential Output Voltage
|V
ODLVDSO
|
100
differential load
250
425
mV
Output Common-Mode Voltage
Variation
V
LVDSOCOM
100
differential load
150
mV
Change in Differential Magnitude
or Complementary Inputs
|V
ODLVDSO
| 100 differential load
25
mV
Offset Output Voltage
V
OFFLVDSO
100
differential load (Note 1)
1.125
1.275
V
Differential Output Impedance
R
OLVDSO
80
140
L
VSSLVDSO
OUTN or OUTP shorted to ground and
measure the current in the shorting path
40
Output Current
L
LVDSO
OUTN or OUTP shorted together
6.5
mA
Output Rise Time (Differential)
t
RLVDSO
20%
to
80%
175
ps
Output Fall Time (Differential)
t
FLVDSO
80%
to
20%
175
ps
Duty Cycle
D
CYCLE_LVDS
48 52
%
Propagation Delay from OE Going
Low to Logical 1 at OUTP
t
PA1
200 ns
Propagation Delay from OE Going
High to Output Active
t
P1A
200 ns
LVPECL
Output High Voltage
V
OH
Output connected to 50
at PECL_BIAS
at V
CC
- 2.0V
V
CC
-
1.085
V
CC
-
0.88
V
Output Low Voltage
V
OL
Output connected to 50
at PECL_BIAS
at V
CC
- 2.0V
V
CC
-
1.825
V
CC
-
1.62
V
Differential Voltage
V
DIFF_PECL
Output connected to 50
at PECL_BIAS
at V
CC
- 2.0V
0.595 0.710
V
Rise Time
t
R-PECL
200
ps
Fall Time
t
F-PECL
200
ps
Duty Cycle
D
CYCLE_PECL
48 52
%
Propagation Delay from OE Going
Low to Output High Impedance
t
PAZ
200 ns
Propagation Delay from OE Going
High to Output Active
t
PZA
200 ns
Note 1: All voltages referenced to ground.
Note 2: AC parameters are guaranteed by design and not production tested.
Note 3: Frequency stability is calculated as:
Δf
TOTAL
=
Δf
TEMP
+
Δf
VCC
x (3.3 x 5%) +
Δf
LOAD
+
Δf
AGING
.