SM5849BF 查看數據表（PDF） - Nippon Precision Circuits

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SM5849BF

Asynchronous Sample Rate Converter

Nippon Precision Circuits  

SM5849BF

Serial inputs (DI, LRCI, BCKI)

Parameter

BCKI HIGH-level pulsewidth

BCKI LOW-level pulsewidth

BCKI pulse cycle

DI setup time

DI hold time

Last BCKI rising edge to LRCI edge

LRCI edge to first BCKI rising edge

Symbol

t BCWH1

t BCWL1

t BCY1

t DS

t DH

t BL1

t LB1

Rating

min

typ

max

50

–

–

50

–

–

100

–

–

50

–

–

50

–

–

50

–

–

50

–

–

BCKI

DI

LRCI

tBCWH1

tBCY1

tBCWL1

tDS

tDH

tBL1

tLB1

Unit

ns

ns

ns

ns

ns

ns

ns

0.5VDD

0.5VDD

0.5VDD

Serial inputs (LRCO, BCKO: SLAVE = HIGH)

Parameter

BCKO HIGH-level pulsewidth

BCKO LOW-level pulsewidth

BCKO pulse cycle

Last BCKO rising edge to LRCO edge

LRCO edge to first BCKO rising edge

Symbol

t BCWH2

t BCWL2

t BCY2

t BL2

t LB2

Rating

min

typ

max

39

–

–

39

–

–

78

–

–

39

–

–

39

–

–

Note: BCKO clock inputs exceeding 64 fso cannot be detected, and will cause incorrect operation.

BCKO

LRCO

tBCWH2

tBCY2

tBCWL2

tBL2

tLB2

Unit

ns

ns

ns

ns

ns

0.5VDD

0.5VDD

SEIKO NPC CORPORATION —8

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