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SM5021ABH-2006 View Datasheet(PDF) - Nippon Precision Circuits

Part NameSM5021ABH(2006) NPC
Nippon Precision Circuits  NPC
DescriptionCrystal Oscillator Module ICs
SM5021ABH Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SM5021 series
TTL Output Version
5V operation: BA, BB, BC, BD, LD series
VDD = 4.5 to 5.5V, VSS = 0V, Ta = 20 to + 80°C unless otherwise noted.
Parameter
Symbol
Condition
Output rise time
Output fall time
Output duty cycle*1
tr2 Measurement cct 6, load cct 2, 0.4V to 2.4V, CL = 15pF
tf2 Measurement cct 6, load cct 2, 2.4V to 0.4V, CL = 15pF
Duty
Measurement cct 6, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF,
f 70MHz
Output disable delay time
Output enable delay time
tPLZ
Measurement cct 6, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF
tPZL
*1. The duty cycle characteristic is checked the sample chips of each production lot.
Rating
Unit
min typ max
2.5
7
ns
2.5
7
ns
45
55
%
100
ns
100
ns
Current consumption and Output waveform with NPC’s standard crystal
Cb
L Ca R
f [MHz]
30
40
50
60
70
R []
18.62
20.53
22.17
22.20
25.42
L [mH]
16.24
11.34
7.40
5.05
4.18
Ca [fF]
1.733
1.396
1.370
1.388
1.254
Cb [pF]
5.337
3.989
4.105
4.226
5.170
FUNCTIONAL DESCRIPTION
Standby Function
When INHN goes LOW, the oscillator output on Q goes high impedance.
INHN
HIGH (or open)
LOW
Q
fO
High impedance
Oscillator
Normal operation
Normal operation
SEIKO NPC CORPORATION —8
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