GS1582(2007) データシートの表示（PDF） - Gennum -> Semtech

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GS1582
(Rev.:2007)

Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleaner™

Gennum -> Semtech 

GS1582 Data Sheet

Table 2-3: AC Electrical Characteristics (Continued)

Guaranteed over recommended operating conditions unless otherwise noted.

Parameter

Symbol Conditions

Min

Typ

Max Units

Notes

Mismatch in rise/fall time

Δtr,Δtf

–

–

–

35

ps

–

Duty Cycle Distortion

–

–

–

1

5

%

5

Overshoot

–

SD/HD=0

–

5

10

%

5

–

SD/HD=1

–

3

8

%

5

Output Return Loss

ORL

5 MHz - 1.485 GHz

–

18

–

dB

6

Serial Output Intrinsic Jitter

tOJ

Pseudorandom and

–

35

80

ps

2

SMPTE Colour Bars

HD signal

tOJ

Pseudorandom and

–

100

200

ps

3

SMPTE Colour Bars

SD signal

GSPI

GSPI Input Clock Frequency fSCLK

50% levels

–

–

10

MHz

–

3.3V or 1.8V operation

GSPI Input Clock Duty Cycle DCSCLK

40

50

60

%

–

GSPI Input Data Setup Time

–

1.5

–

–

ns

–

GSPI Input Data Hold Time

–

1.5

–

–

ns

–

GSPI Output Data Hold Time

–

15pF load

1.5

–

–

ns

–

CS low before SCLK rising

–

50% levels

1.5

–

–

ns

–

edge

3.3V or 1.8V operation

Time between end of

–

50% levels

37.1

–

–

ns

–

command word (or data in

3.3V or 1.8V operation

Auto-Increment mode) and

the first SCLK of the following

data word - write cycle

Time between end of

–

50% levels

148.4

–

–

ns

–

command word (or data in

3.3V or 1.8V operation

Auto-Increment mode) and

the first SCLK of the following

data word - read cycle

CS high after SCLK rising

–

50% levels

37.1

–

–

ns

–

edge

3.3V or 1.8V operation

NOTES:

1. See ’Device Reset’ on page 107, Figure 4-33.

2. Alignment Jitter = measured from 100kHz to 148.5MHz

3. Alignment Jitter = measured from 1kHz to 27MHz

4. Input setup and hold time is dependent on the rise and fall time on the parallel input. Parallel clock and data with rise time or fall time

greater than 500ps require larger setup and hold times.

5. Single Ended into 75Ω external load.

6. ORL depends on board design. The GS1582 achieves this specification on Gennum’s evaluation boards.

40117 - 1 November 2007

20 of 114

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