ADSP-21062LABZ-160 datasheet(40/64 Pages) AD

40 / 64 page

Rev. F

Page 40 of 64

March 2008

ADSP-21060/ADSP-21060L/ADSP-21062/ADSP-21062L/ADSP-21060C/ADSP-21060LC

Table 27. Link Ports—Transmit

5 V

3.3 V

Unit

Parameter

Min

Max

Min

Max

Timing Requirements

tSLACH

LACK Setup Before LCLK High

tHLACH

LACK Hold After LCLK High

–6.75

–6.5

Switching Characteristics

tDLCLK

Data Delay After CLKIN

tDLDCH

Data Delay After LCLK High1

2.25

tHLDCH

Data Hold After LCLK High2

–2.0

–2

tLCLKTWL

LCLK Width Low3

(tCK/4) – 1

(tCK/4) + 1.25

(tCK/4) – 0.75

(tCK/4) + 1.5

tLCLKTWH

LCLK Width High4

(tCK/4) – 1.25

(tCK/4) + 1

(tCK/4) – 1.5

(tCK/4) + 1

tDLACLK

LCLK Low Delay After LACK High

(tCK/4) + 9

u tCK/4) + 16.5 (tCK/4) + 9

u tCK/4) + 16.5 ns

1 For ADSP-21060/ADSP-21060C, specification is 2.5 ns max.

2 For ADSP-21062L, specification is –2.25 ns min.

3 For ADSP-21060, specification is (tCK/4) – 1ns min, (tCK/4) + 1 ns max; for ADSP-21060C/ADSP-21062L, specification is (tCK/4) – 1 ns min, (tCK/4) + 1.5 ns max.

4 For ADSP-21060, specification is (tCK/4) – 1 ns min, (tCK/4) + 1 ns max; for ADSP-21060C, specification is (tCK/4) – 1.5 ns min, (tCK/4) + 1 ns max.

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