SM5849 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM5849

Asynchronous Sample Rate Converter

Nippon Precision Circuits  

SM5849AF

Microcontroller interface (MCK, MDT, MLEN)

Parameter

M C K L OW -level pulsewidth

MCK HIGH-level pulsewidth

MDT setup time

MDT hold time

M L E N L OW -level pulsewidth

MLEN HIGH-level pulsewidth

MLEN setup time

MLEN hold time

Symbol

tM C W L

tM C W H

tM D S

tM D H

tM LW L

tM LW H

tM L S

tM L H

Rating

Unit

min

typ

max

50

–

–

ns

50

–

–

ns

50

–

–

ns

50

–

–

ns

50

–

–

ns

50

–

–

ns

50

–

–

ns

50

–

–

ns

MDT

MCK

MLEN

tMDS

tMCWL

tMDH

tMCWH

tMLS

tMLWL

tMLH

tMLWH

0.5VDD

0.5VDD

0.5VDD

Reset input (RSTN)

Parameter

Symbol

First HIGH-level pulsewidth after supply ON

RSTN pulsewidth

Note: tC Y is the system clock input cycle time.

tR S T = approximately 3.8µs when tC Y = 59ns.

tH R S T

tR S T

VDD

RSTN

tHRST

Rating

Unit

min

typ

max

–

640

–

tC Y

64

–

–

tC Y

tRST

NIPPON PRECISION CIRCUITS—11

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