NPC CF5035ALA-1 1.8v, high-frequency crystal oscillator module ic Datasheet

CF5035 series
1.8V, High-frequency Crystal Oscillator Module ICs
OVERVIEW
The CF5035 series are 1.8V operation, high-frequency crystal oscillator module ICs. They support 70MHz to
165MHz (1.8V) and 70MHz to 220MHz (2.5 to 3.3V) 3rd overtone oscillation and fundamental oscillation
modes. The crystal oscillator circuit is a Colpitts oscillator with the necessary oscillator capacitors and feedback resistor built-in. The oscillation characteristics feature little variation with supply voltage, providing stable oscillation over a wide supply voltage range. The output circuit comprises a CMOS buffer that can operate
at high frequencies and drive a 15pF capacitance load. The devices are fabricated using a proprietary BiCMOS
process with the oscillator circuit and output buffer on a single chip, making them ideal as SMD-type high-frequency crystal oscillators.
FEATURES
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1.6 to 3.6V operating supply voltage range
Oscillation frequency range (varies with version)
1.6 to 3.6V: 70MHz to 165MHz
2.25 to 3.6V: 70MHz to 220MHz
– 40 to 85°C operating temperature range
Oscillation capacitors built-in
Inverter amplifier feedback resistor built-in
Oscillation detector function built-in
Standby function
• High impedance in standby mode, oscillator stops
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Low standby current
• Power-saving pull-up resistor built-in
CMOS output duty level
15pF output load
8mA output drive capability (VDD = 1.6V)
BiCMOS process
Chip form (CF5035AL×)
APPLICATIONS
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1.8V, high-frequency crystal oscillator modules
SERIES CONFIGURATION
Version
Operating supply
voltage range [V]
Recommended operating
frequency range1 [MHz]
CIN
COUT
70 to 95
4
4
95 to 125
4
4
125 to 165
2
2
165 to 220
1
1
CF5035ALA
CF5035ALB
1.6 to 3.6
CF5035ALC
CF5035ALD
2.25 to 3.6
Built-in capacitance [pF]
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
Package
CF5035AL×–1
Chip form
SEIKO NPC CORPORATION —1
CF5035 series
PAD LAYOUT
(Unit: µm)
TEST
Q
7
6
5
(1080,1320)
DA5035
VDD
Y
1
(0,0)
2
3
4
INHN XIN XOUT VSS
X
Chip size: 1.08 × 1.32mm
Chip thickness: 300 ± 30µm
PAD size: 100µm × 100µm (TEST: 80µm × 80µm)
Chip base: VSS potential
PIN DESCRIPTION and PAD DIMENSIONS
Pad dimensions [µm]
No.
Name
I/O
Description
X
Y
1
INHN
I
Output state control input. Oscillator stops when LOW.
Power-saving pull-up resistor built-in.
205
135
2
XIN
I
Oscillator input
461
135
3
XOUT
O
Oscillator output
734
135
4
VSS
–
(–) ground
945
135
5
Q
O
Output. Output frequency. High impedance in standby mode
945
1185
6
TEST
I
Test (leave open)
494
1195
7
VDD
–
(+) supply voltage
135
1185
Crystal connection pins.
Crystal is connected between XIN and XOUT.
BLOCK DIAGRAM
VDD VSS
INHN
Rf
CMOS
Q
XIN
CIN
COUT
XOUT
SEIKO NPC CORPORATION —2
CF5035 series
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Condition
Rating
Unit
−0.5 to +5.0
V
Supply voltage range
VDD
Between VDD and VSS
Input voltage range
VIN
Input pins
VSS − 0.5 to VDD + 0.5
V
VSS − 0.5 to VDD + 0.5
V
25
mA
−65 to +150
°C
Output voltage range
VOUT
Output pins
Output current
IOUT
Q pin
Storage temperature range
TSTG
Chip form
RECOMMENDED OPERATING CONDITIONS
CL ≤ 15pF
Rating
Parameter
Supply voltage
Input voltage
Operating temperature
Symbol
VDD
VIN
TOPR
Condition
Unit
min
typ
max
70MHz ≤ f ≤ 95MHz
5035ALA
1.6
–
3.6
V
95MHz ≤ f ≤ 125MHz
5035ALB
1.6
–
3.6
V
125MHz ≤ f ≤ 165MHz
5035ALC
1.6
–
3.6
V
165MHz ≤ f ≤ 220MHz
5035ALD
2.25
–
3.6
V
Input pins
VSS
–
VDD
V
Chip temperature
−40
+25
+85
°C
SEIKO NPC CORPORATION —3
CF5035 series
ELECTRICAL CHARACTERISTICS
DC Characteristics
Recommended operating conditions unless otherwise noted.
Rating
Parameter
Symbol
Condition
5035ALA
f = 95MHz
Operating current
consumption1
IDD
Measurement cct 1,
INHN = open or HIGH,
CL = 15pF
5035ALB
f = 125MHz
5035ALC
f = 165MHz
5035ALD
f = 220MHz
Unit
min
typ
max
VDD = 1.6 to 2.0V
–
11
19
mA
VDD = 2.25 to 2.75V
–
16
26
mA
VDD = 2.75 to 3.6V
–
20
33
mA
VDD = 1.6 to 2.0V
–
17
27
mA
VDD = 2.25 to 2.75V
–
23
36
mA
VDD = 2.75 to 3.6V
–
29
46
mA
VDD = 1.6 to 2.0V
–
23
37
mA
VDD = 2.25 to 2.75V
–
31
51
mA
VDD = 2.75 to 3.6V
–
39
65
mA
VDD = 2.25 to 2.75V
–
38
58
mA
VDD = 2.75 to 3.6V
–
48
73
mA
–
–
10
µA
Standby current
IST
Measurement cct 1, INHN = LOW
HIGH-level output voltage
VOH
Q: Measurement cct 3, VDD = 1.6 to 3.6V, IOH = 8mA
VDD – 0.4
VDD – 0.3
–
V
LOW-level output voltage
VOL
Q: Measurement cct 3, VDD = 1.6 to 3.6V, IOL = 8mA
–
0.3
0.4
V
VOH = VDD
–
–
10
µA
VOL = VSS
–
–
10
µA
IZ
Q: Measurement cct 5, INHN = LOW,
VDD = 3.6V
HIGH-level input voltage
VIH
INHN, Measurement cct 4
0.7VDD
–
–
V
LOW-level input voltage
VIL
INHN, Measurement cct 4
–
–
0.3VDD
V
INHN = VSS
0.4
–
4
MΩ
INHN = 0.7VDD
30
–
150
kΩ
Output leakage current
INHN pull-up resistance
RPU1
RPU2
Measurement cct 6
1. The operating current consumption includes the CL = 15pF capacitance load charging current.
SEIKO NPC CORPORATION —4
CF5035 series
AC Characteristics
Recommended operating conditions unless otherwise noted.
Rating
Parameter
Symbol
Output duty cycle
Duty
Condition
Measurement cct 1, Ta = 25°C,
CL = 15pF
Unit
min
typ
max
VDD = 2.25 to 3.6V
45
50
55
%
VDD = 1.6 to 2.25V
40
50
60
%
tr1
Measurement cct 1, CL = 15pF, VDD = 2.25 to 3.6V,
0.1VDD to 0.9VDD
–
1
2
ns
tr2
Measurement cct 1, CL = 15pF, VDD = 1.6 to 2.25V,
0.2VDD to 0.8VDD
–
1.5
2.5
ns
tf1
Measurement cct 1, CL = 15pF, VDD = 2.25 to 3.6V,
0.9VDD to 0.1VDD
–
1
2
ns
tf2
Measurement cct 1, CL = 15pF, VDD = 1.6 to 2.25V,
0.8VDD to 0.2VDD
–
1.5
2.5
ns
Output enable delay time1
tOE
Measurement cct 2, Ta = 25°C, CL ≤ 15pF,
INHN = LOW → HIGH
–
–
2
ms
Output disable delay time
tOD
Measurement cct 2, Ta = 25°C, CL ≤ 15pF,
INHN = HIGH → LOW
–
–
200
ns
Rise time
Fall time
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
0.8VDD
Q
0.9VDD
0.8VDD
0.2VDD
0.1VDD
DUTY measurement
voltage (0.5V DD )
0.2VDD
0.1VDD
TW
DUTY= TW/ T 100 (%)
T
tr2
tr1
tf2
tf1
Figure 1. Output switching waveform
INHN
VIH
VIL
tOD
Q
tOE
Hi-Z
Figure 2. Output disable/enable timing chart
SEIKO NPC CORPORATION —5
CF5035 series
FUNCTIONAL DESCRIPTION
Standby Function
When INHN goes LOW, the device is in standby mode. The Q output becomes high impedance and the oscillator circuit stops.
INHN
Q
Oscillator
HIGH (or open)
fO output frequency
Normal operation
LOW
High impedance
Stopped
Power-saving Pull-up Resistor
The INHN pin pull-up resistance changes in response to the input level (HIGH or LOW). When INHN is tied
LOW, the pull-up resistance becomes large, reducing the current consumed by the resistance. When INHN is
left open, the pull-up resistance becomes small, such that even if the input is affected by external noise the outputs are stable due to INHN being tied HIGH by the pull-up resistor.
Oscillation Detector Function
The devices also feature an oscillation detector circuit. This circuit functions to disable the outputs until the
oscillator circuit starts. This prevents abnormal oscillator output at oscillator start-up when power is applied or
when INHN is switched.
SEIKO NPC CORPORATION —6
CF5035 series
MEASUREMENT CIRCUITS
Measurement cct 1
Measurement cct 4
Measurement parameter: IDD, IST, Duty, tr , tf
Measurement parameter: VIH, VIL
IDD
IST
A
VDD
VDD
XIN
XIN
X'tal
X'tal
Q
Q
XOUT
XOUT
INHN VSS
INHN VSS
CL = 15pF
(Including probe
capacitance)
IDD: Open
IST: Short
Note: The AC characteristics are observed using an oscilloscope on
pin Q.
VIH
V
VIL
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 has an oscillation stop function.
Measurement cct 2
Measurement cct 5
Measurement parameter: tOE, tOD
Measurement parameter: IZ
VDD
Signal
Generator
VDD
VDD
Q
C1
A
Q
or
VSS
XOUT
INHN VSS
IZ
INHN VSS
R1
VDD
or
VSS
XIN input signal: 1Vp-p, sine wave
C1: 0.001µF
R1: 50Ω
Measurement cct 6
Measurement parameter: RPU1, RPU2
Measurement cct 3
VDD
Measurement parameter: VOH, VOL
INHN VSS
VDD
50Ω
Signal
Generator
Q
0.001µF
XOUT
VOH
V
VOL
VSS
50Ω
∆V
VOH
VS
VS adjusted such that ∆V =
50 × IOH.
VS
VOL
0.1µF
VS
VIN V
A IPU
RPU1 =
VDD
IPU
(VIN = 0V)
RPU2 = VDD 0.7V DD (VIN = 0.7V DD)
IPU
∆V
VS adjusted such that ∆V =
50 × IOL.
XOUT input signal: 1Vp-p, sine wave
SEIKO NPC CORPORATION —7
CF5035 series
Please pay your attention to the following points at time of using the products shown in this document.
The products shown in this document (hereinafter “Products”) are not intended to be used for the apparatus that exerts harmful influence on
human lives due to the defects, failure or malfunction of the Products. Customers are requested to obtain prior written agreement for such
use from SEIKO NPC CORPORATION (hereinafter “NPC”). Customers shall be solely responsible for, and indemnify and hold NPC free and
harmless from, any and all claims, damages, losses, expenses or lawsuits, due to such use without such agreement. NPC reserves the right
to change the specifications of the Products in order to improve the characteristic or reliability thereof. NPC makes no claim or warranty that
the contents described in this document dose not infringe any intellectual property right or other similar right owned by third parties.
Therefore, NPC shall not be responsible for such problems, even if the use is in accordance with the descriptions provided in this document.
Any descriptions including applications, circuits, and the parameters of the Products in this document are for reference to use the Products,
and shall not be guaranteed free from defect, inapplicability to the design for the mass-production products without further testing or
modification. Customers are requested not to export or re-export, directly or indirectly, the Products to any country or any entity not in
compliance with or in violation of the national export administration laws, treaties, orders and regulations. Customers are requested
appropriately take steps to obtain required permissions or approvals from appropriate government agencies.
SEIKO NPC CORPORATION
15-6, Nihombashi-kabutocho, Chuo-ku,
Tokyo 103-0026, Japan
Telephone: +81-3-6667-6601
Facsimile: +81-3-6667-6611
http://www.npc.co.jp/
Email: [email protected]
NC0306BE
2006.04
SEIKO NPC CORPORATION —8
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