SM8703CV

SEIKO NPC CORPORATION —5

DC Electrical Characteristics

External clock, Ta = –40 to 85

Note 1: Schmitt trigger input with internal pull-up resistor

AC Electrical Characteristics

External clock, Ta = –40 to 85

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Current consumption

All supplies.

Ta = 25

°C, fs = 48kHz,

Crystal oscillator element,

no load on all outputs

–32

45

mA

HIGH-level input voltage

XTI, FSEL/MDT, MCK, MLEN

––

V

LOW-level input voltage

XTI, FSEL/MDT, MCK, MLEN

–

–

V

HIGH-level input current

FSEL/MDT, MCK, MLEN (Note 1)

––1

µA

LOW-level input current

FSEL/MDT, MCK, MLEN (Note 1)

––

−100

µA

HIGH-level input current

–

–

40

µA

LOW-level input current

–

–

−40

µA

HIGH-level output voltage

–

–

V

LOW-level output voltage

–

–

0.4

V

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

XTI external input clock frequency

–

27.0000

–

MHz

Output clock rise time

–

2.0

–

ns

Output clock fall time

–

2.0

–

ns

Output clock jitter

JITTER

All outputs, Standard tolerance,

Crystal oscillator element,

–

100

–

ps

1. 1.4V to 1.4V. Ta = 20

°C. The characteristics of output clock jitter and output clock duty depends on crystal oscillator.

NPC’s standard crystal oscillator: R = 10.5

Ω, L = 5.38mH, Ca = 6.74fF, Cb = 1.85pF

measurement apparatus: HP4195

Load capacitance: C1 = 7pF, C2 = 11pF

DUTY

All outputs, Crystal oscillator

45

50

55

%

Settling time

All outputs

–

–

100

ns

2. Time from OFF condition to stable frequency output.

All outputs

–

15

30

ms

L

Ca

R

Cb