Datasheet

Recommended Transmitter Input Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

Symbol Parameter Min Typ Max Units

TCIT TxCLK IN Transition Time (Figure 5) DUAL=Gnd or Vcc 1.0 2.0 3.0 ns

DUAL=1/2Vcc 1.0 1.5 1.7 ns

TCIP TxCLK IN Period (Figure 6) DUAL=Gnd or Vcc 8.928 T 30.77 ns

DUAL=1/2Vcc 5.88 15.38 ns

TCIH TxCLK in High Time (Figure 6) 0.35T 0.5T 0.65T ns

TCIL TxCLK in Low Time (Figure 6) 0.35T 0.5T 0.65T ns

TXIT TxIN Transition Time 1.5 6.0 ns

Transmitter Switching Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

Symbol Parameter Min Typ Max Units

LLHT LVDS Low-to-High Transition Time (Figure 3), PRE = 0.75V

(disabled)

0.14 0.7 ns

LVDS Low-to-High Transition Time (Figure 3), PRE = Vcc (max) 0.11 0.6 ns

LHLT LVDS High-to-Low Transition Time (Figure 3), PRE = 0.75V

(disabled)

0.16 0.8 ns

LVDS High-to-Low Transition Time (Figure 3), PRE = Vcc (max) 0.11 0.7 ns

TBIT Transmitter Output Bit Width DUAL=Gnd or Vcc 1/7 TCIP ns

DUAL=1/2Vcc 2/7 TCIP ns

TPPOS Transmitter Pulse Positions - Normalized f = 33 to 70 MHz −250 0 +250 ps

f = 70 to 112 MHz −200 0 +200 ps

TCCS TxOUT Channel to Channel Skew 100 ps

TSTC TxIN Setup to TxCLK IN (Figure 6) 2.7 ns

THTC TxIN Hold to TxCLK IN (Figure 6)0ns

TJCC Transmitter Jitter Cycle-to-cycle (Figures

13, 14) (Note 5), DUAL=Vcc

f = 112 MHz 85 100 ps

f = 85 MHz 60 75 ps

f = 65 MHz 70 80 ps

f = 56 MHz 100 120 ps

f = 32.5 MHz 75 110 ps

TPLLS Transmitter Phase Lock Loop Set (Figure 8)10ms

TPDD Transmitter Powerdown Delay (Figure 10) 100 ns

DS90C387A/DS90CF388A