CF5029A-2 查看數據表（PDF） - Nippon Precision Circuits
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CF5029A-2 Datasheet PDF : 7 Pages
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CF5029A
MEASUREMENT CIRCUITS
Measurement cct 1
Measurement parameter: IDD, IST, Duty, tr , tf
Measurement cct 4
Measurement parameter: IZ
IDD
A
IST
VDD
XT
X'tal
Q
XTN
INHN VSS
IDD: Open
IST: Short
CL = 15pF
(Including probe
capacitance)
VDD
Q
INHN VSS
VDD
A
or
VSS
IZ
Note: The AC characteristics are observed with an oscilloscope on pin Q.
X’tal: NPC’s standard crystal
Measurement cct 2
Measurement parameter: tOE, tOD
Measurement cct 5
Measurement parameter: VIH, VIL
Pulse
Generator
VDD
XT
Q
INHN VSS
VDD
XT
X'tal
Q
XTN
INHN VSS
VIH
VIL
V
< 16MHz
HIGH-level: VDD , LOW-level: VSS
Note: Observed with an oscilloscope on pin Q. Does not include the
oscillator start time.
Measurement cct 3
Measurement parameter: VOH, VOL
VIH: Voltage in VSS to VDD transition that changes the output state.
VIL: Voltage in VDD to VSS transition that changes the output state.
INHN is an output state control pin.
Note: X’tal: NPC’s standard crystal
Measurement cct 6
Measurement parameter: RPU1, RPU2
Pulse
Generator
VDD
XT
VSS
Q
VOH
VOL
V
IOL = 2mA
When measuring
VOL: ON
When measuring
VOH: ON
IOH = 2mA
< 16MHz
HIGH-level: VDD , LOW-level: VSS
Note: Q HIGH-level and LOW-level voltages VOH and VOL are
measured with pulse input stopped.
VDD
INHN VSS
VIN V A IPU
RPU1 =
VDD
IPU
(VIN = 0V)
RPU2 =
VDD
0.7VDD
IPU
(VIN = 0.7VDD)
SEIKO NPC CORPORATION —6
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