DS4266 Datasheet, PDF (3/6 Pages) Maxim Integrated Products – DDR Clock Oscillator

DDR Clock Oscillator
ELECTRICAL CHARACTERISTICS (continued)
(V_CC = 3.135V to 3.465V, T_A = -40°C to +85°C, unless otherwise noted.)
PARAMETER
LVDS
Output High Voltage
Output Low Voltage
Differential Output Voltage
Output Common-Mode Voltage
Variation
SYMBOL
CONDITIONS
V_OHLVDSO
V_OLLVDSO
|V_ODLVDSO|
100 differential load (Note 1)
100 differential load (Note 1)
100 differential load
V_LVDSOCOM 100 differential load
MIN TYP
0.925
250
Change in Differential Magnitude
or Complementary Inputs

|V_ODLVDSO|
100 differential load
Offset Output Voltage
Differential Output Impedance
V_OFFLVDSO
R_OLVDSO
100 differential load (Note 1)
1.125
80
Output Current
L_VSSLVDSO
OUTN or OUTP shorted to ground and
measure the current in the shorting path
Output Rise Time (Differential)
Output Fall Time (Differential)
Duty Cycle
L_LVDSO
t_RLVDSO
t_FLVDSO
D_{CYCLE_LVDS}
OUTN or OUTP shorted together
20% to 80%
80% to 20%
6.5
175
175
48
Propagation Delay from OE Going
Low to Logical 1 at OUTP
t_PA1
Propagation Delay from OE Going
High to Output Active
t_P1A
LVPECL
Output High Voltage
V_OH
Output connected to 50 at PECL_BIAS
at V_CC - 2.0V
Output Low Voltage
V_OL
Output connected to 50 at PECL_BIAS
at V_CC - 2.0V
Differential Voltage
Rise Time
Fall Time
Duty Cycle
V_{DIFF_PECL}
t_R-PECL
t_F-PECL
D_{CYCLE_PECL}
Output connected to 50 at PECL_BIAS
at V_CC - 2.0V
Propagation Delay from OE Going
Low to Output High Impedance
t_PAZ
V_CC -
1.085
V_CC -
1.825
0.595
48
0.710
200
200
Propagation Delay from OE Going
High to Output Active
t_PZA
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.
MAX UNITS
1.475
V
V
425
mV
150
mV
25
mV
1.275
V
140

40
mA
ps
ps
52
%
200
ns
200
ns
V_CC -
V
0.88
V_CC -
V
1.62
V
ps
ps
52
%
200
ns
200
ns
_______________________________________________________________________________________ 3