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參數(shù)資料
型號(hào)： WF5027BV-4
廠商： Seiko NPC Corporation
英文描述： Crystal Oscillator Module ICs
中文描述： 晶體振蕩器模塊集成電路
文件頁數(shù)： 12/21頁
文件大小： 815K
代理商： WF5027BV-4
WF5027 series
SEIKO NPC CORPORATION —12
AC Characteristics
For Fundamental Oscillator (5027
×
1 to 5027
×
7, 5027
×
P to 5027
×
W)
V
DD
= 1.60 to 3.63V, V
SS
= 0V, Ta =
40 to +85
°
C unless otherwise noted.
For 3rd Overtone Oscillator (5027
×
A to 5027
×
D)
V
DD
= 1.60 to 3.63V, V
SS
= 0V, Ta =
40 to +85
°
C unless otherwise noted.
Timing chart
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Output rise time
t
r1
t
r2
t
f1
t
f2
Duty
Measurement cct 1, C
L
= 15pF
0.1V
DD
to 0.9V
DD
V
DD
= 2.25 to 3.36V
V
DD
= 1.60 to 2.25V
V
DD
= 2.25 to 3.36V
V
DD
= 1.60 to 2.25V
–
2.0
4.5
ns
–
3.0
5.0
ns
Output fall time
Measurement cct 1, C
L
= 15pF
0.9V
DD
to 0.1V
DD
–
2.0
4.5
ns
–
3.0
5.0
ns
Output duty cycle
Measurement cct 1, Ta = 25
°
C, C
L
= 15pF
Measurement cct 2, Ta = 25
°
C, C
L
≤
15pF
45
50
55
%
Output disable delay time
t
OD
–
–
50
μ
s
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Output rise time
t
r1
t
r2
t
f1
t
f2
Duty
Measurement cct 1, C
L
= 15pF
0.1V
DD
to 0.9V
DD
V
DD
= 2.25 to 3.36V
V
DD
= 1.60 to 2.25V
V
DD
= 2.25 to 3.36V
V
DD
= 1.60 to 2.25V
–
1.2
3.0
ns
–
1.6
4.0
ns
Output fall time
Measurement cct 1, C
L
= 15pF
0.9V
DD
to 0.1V
DD
–
1.2
3.0
ns
–
1.6
4.0
ns
Output duty cycle
Measurement cct 1, Ta = 25
°
C, C
L
= 15pF
Measurement cct 2, Ta = 25
°
C, C
L
≤
15pF
45
50
55
%
Output disable delay time
t
OD
–
–
50
μ
s
Figure 1. Output switching waveform
When INHN goes HIGH to LOW the Q output goes HIGH once and then becomes high impedance.
When INHN goes LOW to HIGH, the Q output goes from high impedance to normal output operation when the oscillation starts (oscillation is detected).
*) The high-impedance interval in the figure is shown as a LOW level due to the 1k
pull-down resistor connected to the Q pin (see "Measurement circuit
2" in the "Measurement Circuits" section).
Figure 2. Output disable and oscillation start timing chart
0.9V
DD
Q
DUTY measurement
voltage (0.5V
DD
)
T
W
t
r
t
f
T
0.1V
DD
0.9V
DD
0.1V
DD
DUTY= T
W
/ T 100 (%)
Q
INHN
t
OD
t
STR
V
IH
V
IL
0.1V
Hi-Z*
Normal
operation
Normal
operation
Output
stopped
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WF5027BW-4 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Crystal Oscillator Module ICs
WF5027C1-4 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Crystal Oscillator Module ICs
WF5027C2-4 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Crystal Oscillator Module ICs
WF5027C3-4 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Crystal Oscillator Module ICs
WF5027C4-4 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Crystal Oscillator Module ICs
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