SM8702AM datasheet(9/16 Pages) NPC

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SM8702AM

NIPPON PRECISION CIRCUITS—9

24MHz/48MHz, REF[0:1] clock characteristics

Ta = 0 to 70°C, VDD = 3.3V ± 5%, VSS = 0V, fX’tal = 14.318MHz, CL = 20pF unless otherwise noted.

IOAPIC clock characteristics

Ta = 0 to 70°C, VDD = 3.3V ± 5%, VSS = 0V, fX’tal = 14.318MHz, CL = 20pF unless otherwise noted.

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Output clock rise time1

1. Design maximu m values, not 100% guaranteed.

V OL = 0.8V → VOH = 2.4V transition time

–

2.0

Output clock fall time1

V OH = 2.4V → VOL = 0.8V transition time

–

2.0

Duty cycle1

V T = 1.5V

4 0

5 0

6 0

Output clock jitter1

tjc

V T = 1.5V, rising edge

Absolute jitter

–

2 5 0

8 0 0

Clock frequency stabilize time1

tstb

Cold star t

Supply ON (VDD = 3.3V)

until clock reaches

speciﬁed frequency

––3

m s

Output impedance2

2. Design estimate values, not 100% guaranteed.

Z O

V O = 0.5VDD

1 0–6 0

Ω

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Output clock rise time1

1. Design maximu m values, not 100% guaranteed.

V OL = 0.8V → VOH = 2.4V transition time,

V DDL1 = 3.3V

–

2.0

V OL = 0.4V → VOH = 2.0V transition time,

V DDL1 = 2.5V

–

2.0

Output clock fall time1

V OH = 2.4V → VOL = 0.8V transition time,

V DDL1 = 3.3V

–

2.0

V OH = 2.0V → VOL = 0.4V transition time,

V DDL1 = 2.5V

–

2.0

Duty cycle1

V T = 1.5V, V DDL1 = 3.3V

4 0

5 0

6 0

Output clock jitter1

tjc

V T = 1.5V, rising edge

Absolute jitter

–

2 5 0

8 0 0

Clock frequency stabilize time1

tstb

Cold star t

Supply ON (VDD = 3.3V)

until clock reaches

speciﬁed frequency

––3

m s

Output impedance2

2. Design estimate values, not 100% guaranteed.

Z O

V O = 0.5VDD

1 0–9 0

Ω

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