CF5019 Datasheet PDF - Nippon Precision Circuits
| Part Number | CF5019 | |
| Description | 3rd Overtone Crystal Oscillator Module ICs | |
| Manufacturers | Nippon Precision Circuits | |
| Logo |  |
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CF5019 series
High-Frequency, 3rd Overtone Crystal Oscillator Module ICs
OVERVIEW
The CF5019 series are high-frequency, 3rd overtone crystal oscillator module ICs. They incorporate an oscilla-
tor circuit and an output buffer that operate at high frequency on a single chip. The oscillator circuit employs
CMOS inverters and a built-in damping resistor RD, reducing the crystal current compared with existing
devices. The damping resistor RD is fabricated using NPC’s unique high-precision thin-film resistor technol-
ogy, which suppresses oscillator characteristic variations due to changes in temperature and voltage to a mini-
mum. The CF5019 series can be utilized to construct stable, high-frequency, 3rd overtone crystal oscillators.
FEATURES
I RD built-in to reduce crystal current in the oscilla-
tor circuit
I 2.25 to 3.6V operating supply voltage range
I Recommended operating frequency range
(varies with version)
• 2.5V operation: 60 to 155MHz
• 3.0V operation: 60 to 170MHz
I – 40 to 85°C operating temperature range
I Oscillator capacitors with excellent frequency
response built-in
I Feedback resistors with good temperature charac-
teristics built-in
I Standby function
• High impedance in standby mode, oscillator stops
I Low standby current
• Power-saving pull-up resistor built-in
I Oscillation detector function
I CMOS output duty level (1/2VDD)
I 50 ± 5% output duty (at 1/2VDD)
I 30pF output load (3.3V operation)
I Molybdenum-gate CMOS process
I Chip form (CF5019AL×)
APPLICATIONS
I Crystal oscillator modules (3rd overtone oscillation)
SERIES CONFIGURATION
Version
CF5019ALA
CF5019ALB
CF5019ALC
CF5019ALD
CF5019ALE
Recommended operating
frequency range*1 [MHz]
2.5V operation 3.0V operation
gm ratio
Oscillator circuit constants
Built-in capacitance Feedback Damping
resistance resistance
CG [pF] CD [pF] Rf [kΩ] RD [Ω]
60 to 80 60 to 90 0.6 4
7 2.5 200
70 to 115
80 to 125
0.8
3
3 4.5 57
105 to 135 115 to 145
1.0
1
3 3.3 57
110 to 155 135 to 170
1.0
1
5 2.2 57
90 to 125
95 to 135
0.8
2
7 3.3 57
INHN
input
level
CMOS
Standby mode
Oscillator
stop
function
Output
state
Yes
High
impedance
*1.The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication.
However, the oscillator frequency band is not guaranteed. Specifically, the characteristics can vary greatly due to crystal characteristics
and mounting conditions, so the oscillation characteristics of components must be carefully evaluated.
ORDERING INFORMATION
Device
CF5019AL×–2
Package
Chip form
SEIKO NPC CORPORATION —1
|
| |
 
CF5019 series
Electrical Characteristics
2.5V operation
VDD = 2.25 to 2.75V, VSS = 0V, Ta = −40 to +85°C unless otherwise noted.
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Parameter
Symbol
Condition
HIGH-level output voltage
LOW-level output voltage
HIGH-level input voltage
LOW-level input voltage
Output leakage current
Current consumption
Standby current
INHN pull-up resistance
AC feedback resistance
DC feedback resistance
Oscillator amplifier output
resistance
AC feedback capacitance
Built-in capacitance
VOH Q: Measurement cct 1, VDD = 2.25V, IOH = 8mA
VOL Q: Measurement cct 2, VDD = 2.25V, IOL = 8mA
VIH INHN
VIL INHN
IZ Q: Measurement cct 2, INHN = LOW
VOH = VDD
VOL = VSS
CF5019ALA
CL = 15pF
f = 80MHz
CL = 30pF
f = 70MHz
Measurement cct 3, CF5019ALB
IDD load cct 1,
INHN = open
CF5019ALC
CL = 15pF
f = 106MHz
CL = 30pF
f = 70MHz
CL = 15pF
f = 135MHz
CF5019ALD
CL = 15pF
f = 155MHz
CF5019ALE
CL = 15pF
f = 125MHz
IST Measurement cct 3, INHN = LOW
RUP1 Measurement cct 4
RUP2
CF5019ALA
Rf1
Design value.
A monitor pattern on a wafer is tested.
CF5019ALB
CF5019ALC
CF5019ALD
CF5019ALE
Rf2 Measurement cct 5
CF5019ALA
RD
Design value.
A monitor pattern on a wafer is tested.
CF5019ALB
CF5019ALC
CF5019ALD
CF5019ALE
Cf Design value. A monitor pattern on a wafer is tested.
CF5019ALA
CG
Design value.
A monitor pattern on a wafer is tested.
CF5019ALB
CF5019ALC
CF5019ALD
CF5019ALE
CF5019ALA
CD
Design value.
A monitor pattern on a wafer is tested.
CF5019ALB
CF5019ALC
CF5019ALD
CF5019ALE
min
1.75
–
0.7VDD
–
–
–
–
–
–
–
–
–
–
–
2
50
2.12
3.82
2.80
1.87
2.80
50
170
48.4
48.4
48.4
48.4
8.5
3.40
2.55
0.85
0.85
1.70
5.95
2.55
2.55
4.25
5.95
Rating
typ
1.95
0.3
–
–
–
–
15
20
20
20
25
30
22
–
6
100
2.5
4.5
3.3
2.2
3.3
100
200
57
57
57
57
10
4
3
1
1
2
7
3
3
5
7
max
–
0.4
–
0.3VDD
10
10
40
50
50
50
60
70
55
3
12
150
2.88
5.18
3.80
2.53
3.80
150
230
65.6
65.6
65.6
65.6
11.5
4.60
3.45
1.15
1.15
2.30
8.05
3.45
3.45
5.75
8.05
Unit
V
V
V
V
µA
µA
mA
mA
mA
mA
mA
mA
mA
µA
MΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
Ω
Ω
Ω
Ω
Ω
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
SEIKO NPC CORPORATION —5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CF5019 electronic component. |
| Information | Total 12 Pages | |
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| Download | [ CF5019.PDF Datasheet ] | |
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