SM5050AV データシートの表示（PDF） - Nippon Precision Circuits

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SM5050AV

Single-output Clock Generator IC

Nippon Precision Circuits  

SM5050A

Switching Characteristics

VDD = 2.7 to 3.6V, VSS = 0V, Ta = −20 to 80°C unless otherwise noted

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Output rise time

Output fall time

Output duty cycle

Output disable delay time1

Startup time2,3

Oscillator frequency

tr

0.2VDD → 0.8VDD, measurement

circuit 1, load circuit 1, CL = 15pF

–

tf

0.8VDD → 0.2VDD, measurement

circuit 1, load circuit 1, CL = 15pF

–

V D D = 3V, Ta = 25°C , measurement

Duty circuit 1, load circuit 1, CL = 15pF,

40

f ≤ 166.6MHz

tP L Z

V D D = 3V, Ta = 25°C , measurement

circuit 1, load circuit 1, CL = 15pF

–

tS Z L

V D D = 3V, Ta = 25°C , measurement

circuit 1, load circuit 1, CL = 15pF

–

f

Measurement circuit 1

20

1

2.5

ns

1

2.5

ns

–

60

%

–

100

ns

1

–

ms

–

40

MHz

Output frequency

Output clock jitter3

VDD = 2.7V

100

fO U T

Measurement circuit 1

VDD = 3.0V

100

V D D = 3V, Ta = 25°C , 25MHz crystal,

Jitter

P0 = HIGH, P1 = LOW , measurement

circuit 1, load circuit 1,CL = 15pF,

–

peak-to-peak

–

125

MHz

–

166.6

100

–

ps

1. Time from when INHN goes LOW until Q output goes high impedance.

2. Time from when either INHN goes LOW to HIGH or supply voltage VDD = 3.0V until normal signal output.

3. Measured values using NPC characteristics standard evaluation board and standard crystal.

NPC STANDARD CRYSTAL DATA

Cb

L Ca R

f (MHz)

25

27

R (Ω)

4.368

7.421

L (mH)

1.885

2.402

Ca (fF)

21.52

14.48

Cb (pF)

4.793

4.097

NIPPON PRECISION CIRCUITS—5

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