CF5015 Datasheet, PDF (8/10 Pages) Nippon Precision Circuits Inc – 2.5V Operation Fundamental Frequency Crystal Oscillator Module ICs

MEASUREMENT CIRCUITS
Measurement cct 1
CF5015 series
Measurement cct 4
Signal
Generator
C1
R1
VDD
XT
XTN
INHN
Q
VSS
R3 ^When
measuring VOL
R2 ^When
measuring VOH
VDD
Q output
VOH
0V
VDD
Q output
VOL
0V
2Vp-p, 10MHz sine wave input signal
C1: 0.001µF
R1: 50Ω
R2: 413Ω (2.5V operation)
525Ω (3V operation)
488Ω (5V operation)
R3: 462Ω (2.5V operation)
575Ω (3V operation)
512Ω (5V operation)
Measurement cct 2
VDD
XT
XTN
INHN
Q
VSS
IZ
IZ
A
V
VOH
VOL
VDD
XT
XTN
INHN
Q
VSS
V
VPR
RUP1 =
VDD
IPR
(VPR = VSS)
RUP2 = ^{VDD VPR}
IPR
(VPR = 0.7VDD)
IPR _A
Measurement cct 5
VDD
XT
XTN
INHN
Q
VSS
A
IRf
Rf = ^VDD
IRf
Measurement cct 6
Measurement cct 3
X'tal
IDD
A
IST
VDD
XT
XTN
INHN
Q
VSS
Signal
Generator
C1
R1
VDD
XT
XTN
INHN
Q
VSS
2Vp-p, 10MHz sine wave input signal
C1: 0.001µF
R1: 50Ω
Load cct 1
Q output
CL
(Including probe
capacitance)
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