SM8701 查看數據表（PDF） - Nippon Precision Circuits

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产品描述 (功能)

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SM8701

DVD Player Clock Generator

Nippon Precision Circuits  

SM8701BM

PLL AC Electrical Characteristics

External clock, Ta = −40 to 85 °C, VDD = VDDP = 4.5 to 5.5 V, VDDO = VDD3 = 2.7 to 3.6 V unless otherwise

stated

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

XTI external input clock frequency

Output clock rise time

Output clock fall time

M O , M O N output clock jitter1

fM

DUTY: 50 ± 5%

–

27.0000

–

MHz

tR

All outputs, 0.2 to 0.8VDDO

or VDD3, CL = 20 pF

–

2.5

–

ns

tF

All outputs, 0.8 to 0.2VDDO

or VDD3, CL = 20 pF

–

2.5

–

ns

–

150

–

ps

SO1, SO2 (Standard), SO3, SO4

output clock jitter1

JITTER

Standard tolerance

Crystal oscillator element

–

150

–

ps

SO2 (Double) output clock jitter1

–

450

–

ps

M O , M O N output clock duty1

SO1, SO2 (Standard), SO3, SO4

output clock duty1

SO2 (Double) output clock duty1

Settling time

Power-up time2

R S T N external reset LOW -level

pulsewidth

Crystal oscillator element,

CL = 20 pF

45

50

55

%

DUTY

CL = 20 pF

40

50

60

%

CL = 20 pF

tS

All outputs

tP

All outputs

23.3

33.3

43.3

%

–

–

40

ms

–

–

50

ms

tR S T L

1.4 V to 1.4 V

100

–

–

ns

1. 1.4V to 1.4V. Ta = 2 0 °C . The characteristics of output clock jitter and output clock duty depends on crystal oscillator.

N P C ’s standard crystal oscillator: R = 10.5 Ω, L = 5.38 mH, Ca = 6.74 fF, Cb = 1.85 p F

measurement apparatus: HP4195

Load capacitance: C1 = 7 p F, C2 = 11 p F

Cb

L Ca R

2. Time from OFF condition to stable frequency output.

NIPPON PRECISION CIRCUITS—6

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