DS90LV027AH National Semiconductor, DS90LV027AH Datasheet - Page 3

• Manufacturer Part Number: DS90LV027AH
• Description: High Temperature LVDS Dual Differential Driver
• Manufacturer: National Semiconductor

Switching Characteristics
Note 6: Generator waveform for all tests unless otherwise specified: f = 1 MHz, Z
Note 7: The DS90LV027AH is a current mode device and only function with datasheet specification when a resistive load is applied to the drivers outputs.
Note 8: t
the same channel.
Note 9: t
Note 10: t
specification applies to devices at the same V
Note 11: t
operating temperature and voltage ranges, and across process distribution. t
Note 12: f
switching.
Parameter Measurement Information
SKD1
SKD2
SKD4
SKD3
MAX
, |t
is the Differential Channel to Channel Skew of any event on the same device.
, part to part skew, is the differential channel to channel skew of any event between devices. This specification applies to devices over recommended
generator input conditions: t
, Differential Part to Part Skew, is defined as the difference between the minimum and maximum specified differential propagation delays. This
PHLD
− t
PLHD
FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit
FIGURE 3. Differential Driver Propagation Delay and Transition Time Waveforms
|, is the magnitude difference in differential propagation delay time between the positive going edge and the negative going edge of
r
= t
CC
f
<
and within 5˚C of each other within the operating temperature range.
1 ns (0% to 100%), 50% duty cycle, 0V to 3V. Output criteria: duty cycle = 45%/55%, V
FIGURE 1. Differential Driver DC Test Circuit
(Continued)
SKD4
3
is defined as |Max − Min| differential propagation delay.
O
= 50Ω, t
r
≤ 1 ns, t
f
20165105
≤ 1 ns (10%-90%).
20165106
20165104
OD
>
250mV, all channels
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