Over recommended operating supply and temperature ranges unless otherwise specified.

Symbol

Parameter

Conditions

Pin/Freq.

Min

Typ

Max

Units

t

HZR

HIGH to TRI-STATE Delay

(Figure 12)

ROUT [23:0],

RCLK, LOCK

310

ns

t

LZR

LOW to TRI-STATE Delay

3

10

ns

t

ZHR

TRI-STATE to HIGH Delay

3

10

ns

t

ZLR

TRI-STATE to LOW Delay

3

10

ns

t

DD

Deserializer Delay

(Figure 10)

RCLK

[4+(3/56)]T

+5.9

[4+(3/56)]T

+14

ns

t

DRDL

Deserializer PLL Lock Time

from Powerdown

(Figure 13)

(Notes 7, 8)

5 MHz

5

50

ms

35 MHz

5

50

ms

RxIN_TOL_L

Receiver INput TOLerance

Left,

(Figure 15)

(Notes 6, 8, 10)

5 MHz–35 MHz

0.25

UI

RxIN_TOL_R

Receiver INput TOLerance

Right,

(Figure 15)

(Notes 6, 8, 10)

5 MHz–35 MHz

0.25

UI

Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices

should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation.

Note 3: Current into device pins is defined as positive. Current out of a device pin is defined as negative. Voltages are referenced to ground except VOD,

∆VOD,

VTH and VTL which are differential voltages.

Note 4: When the Serializer output is tri-stated, the Deserializer will lose PLL lock. Resynchronization MUST occur before data transfer.

Note 6: RxIN_TOL is a measure of how much phase noise (jitter) the deserializer can tolerate in the incoming data stream before bit errors occur. It is a

measurement in reference with the ideal bit position, please see National’s AN-1217 for detail.

Note 8: Parameter is guaranteed by design and characterization using statistical analysis.

Note 10: UI – Unit Interval, equivalent to one ideal serialized data bit width. The UI scales with frequency.

Note 11: Figures 1, 2, 9, 10, 13 show a falling edge data strobe (TCLK IN/RCLK OUT).

Note 12: Figures 6, 11 show a rising edge data strobe (TCLK IN/RCLK OUT).

Note 13: TxOUT_E_O is affected by pre-emphasis value.

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