CF5029A 데이터 시트보기 (PDF) - Nippon Precision Circuits
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CF5029A Datasheet PDF : 7 Pages
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CF5029A
AC Characteristics
VDD = 2.25 to 3.6V, VSS = 0V, Ta = −40 to +85°C unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Output duty cycle
Duty
Measurement cct 1, CL = 15pF, VDD = 2.5V, 3.3V,
Ta = 25°C
45
50
55
%
Rise time
Fall time
Output enable delay time1
Output disable delay time
tr
Measurement cct 1, 0.1VDD to 0.9VDD, CL = 15pF
tf
Measurement cct 1, 0.9VDD to 0.1VDD, CL = 15pF
tOE Measurement cct 2, VDD = 2.5V, 3.3V, Ta = 25°C
tOD Measurement cct 2, VDD = 2.5V, 3.3V, Ta = 25°C
–
0.2
1
µs
–
0.2
1
µs
–
–
2
µs
–
–
2
µs
1. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after
the oscillator start-up time has elapsed.
Timing chart
0.9VDD
0.1VDD
tr
0.9VDD
TW
0.1VDD
T
tf
Q
DUTY measurement
voltage (0.5V DD)
DUTY= TW/ T 100 (%)
Figure 1. Output switching waveform
INHN
Q
VIL
tOD
VIH
tOE
Hi-Z
Figure 2. Output disable/enable timing chart
SEIKO NPC CORPORATION —4
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