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SM8702AM Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc

Part # SM8702AM
Description  Clock Generator IC
PDF  16 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8702AM Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc

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SM8702AM
NIPPON PRECISION CIRCUITS—7
AC Electrical Characteristics
CPU clock characteristics 1
Ta = 0 to 70°C, VDD = 3.3V ± 5%, VDDL = 2.5V ± 5%, VSS = 0V, fX’tal = 14.318MHz, CL = 20pF unless other-
wise noted.
CPU clock characteristics 2
Ta = 0 to 70°C, VDD = VDDL = 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.
tr
V OL = 0.4V → VOH = 2.0V transition time
–
–
2.0
ns
Output clock fall time1
tf
V OH = 2.0V → VOL = 0.4V transition time
–
–
2.0
ns
Duty cycle
Dt
V T = 1.25V
4 5
5 0
5 5
%
Output clock jitter1
tjc
V T = 1.25V, rising edge
Cycle-to-cycle jitter
–
–
2 5 0
ps
Output clock skew 1
tskw
V T = 1.25V, rising edge
Between CPUCLK0 and
CPUCLK1
–
–
250
ps
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 = 0.5VDDL
1 0–9 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.
tr
V OL = 0.4V → VOH = 2.4V transition time
–
–
2.5
ns
Output clock fall time1
tf
V OH = 2.4V → VOL = 0.4V transition time
–
–
2.5
ns
Duty cycle
Dt
V T = 1.5V
4 5
5 0
5 5
%
Output clock jitter1
tjc
V T = 1.5V, rising edge
Cycle-to-cycle jitter
–
–
2 5 0
ps
Output clock skew 1
tskw
V T = 1.5V, rising edge
Between CPUCLK0 and
CPUCLK1
–
–
250
ps
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 = 0.5VDDL
1 0–6 0
Ω



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