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)0

ns

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)10

ms

TPDD

Transmitter Powerdown Delay (Figure 10)

100

ns

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