NPC CF5036G1 2.5v lvpecl output oscillator ic Datasheet

CF5036 series
2.5V LVPECL Output Oscillator ICs
OVERVIEW
The CF5036 series are 2.5V operation, differential PECL output oscillator ICs. They support 50MHz to
250MHz 3rd overtone oscillation and 50MHz to 700MHz fundamental oscillation. The devices are fabricated
using a proprietary BiCMOS process, enabling a high-frequency oscillator circuit and differential LVPECL
output buffer to be incorporated on a single chip. The CF5036 series can be used to construct high-frequency
PECL output oscillators.
FEATURES
■
■
■
■
■
2.375 to 3.6V operating supply voltage range
Operating frequency range (varies with version)
• 50MHz to 700MHz fundamental oscillation
• 50MHz to 250MHz 3rd overtone oscillation
– 40 to 85°C operating temperature range
Differential LVPECL output
50Ω output load (terminated to VCC – 2V)
■
■
■
■
Standby function
• Outputs are high impedance when OE is LOW.
(oscillator stops)
Power-saving pull-up resistor built-in (pin OE)
BiCMOS process
Chip form (CF5036××)
SERIES CONFIGURATION
Version
Oscillation mode
CF5036G1
50 to 80
CF5036G2
CF5036A1
CF5036A2
CF5036B1
Fundamental
or
3rd overtone
CF5036B2
CF5036C1
CF5036D1
Fundamental
CF5036F1
(CF5036V1)
(CF5036W1)
400 to 600
600 to 700
(CF5036F2)
(CF5036V2)
100 to 180
250 to 400
CF5036D2
CF5036E1
80 to 120
150 to 250
CF5036C2
(CF5036E2)
Recommended operating
frequency range*1 [MHz]
Oscillator constants determined
by external components
(Rf, CXIN, CXOUT)
(CF5036W2)
80 to 400
400 to 700
Output frequency
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
*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.
Note. These versions in parentheses ( ) are under development. Please ask our Sales & Marketing section for further detail.
ORDERING INFORMATION
Device
Package
CF5036××–1
Chip form
SEIKO NPC CORPORATION —1
CF5036 series
PAD LAYOUT
(Unit: µm)
OUT OUTN VCC2 OE
8
Y
TEST
7
6
2
3
(1100,1300)
5
9
DB5036
1
(0,0) VCC
4
XIN XOUT GND
X
Chip size: 1.10 × 1.30mm
Chip thickness: 300 ± 30µm
PAD size: 150µm × 100µm (VCC, OUT, OUTN pins)
100µm × 100µm (excluding VCC, OUT, OUTN pins)
Chip base: GND potential
Note: The TEST pin is not used during normal operation.
PIN DESCRIPTION and PAD DIMENSIONS
Pad dimensions [µm]
Pad No.
Name
I/O
Function
X
Y
1
VCC
–
(+) supply pin
160
130
2
XIN
I
Oscillator input pin
511
130
3
XOUT
O
Oscillator output pin
740
130
4
GND
–
(–) ground pin
965
130
5
OE
I
Output enable pin. Outputs are high impedance when LOW (oscillator
stopped). Power-saving pull-up resistor built-in.
896
1170
6
VCC2
–
(+) output buffer supply pin
756
1170
7
OUTN
O
Output pin (complementary)
523
1170
8
OUT
O
Output pin (true)
244
1170
9
TEST
I
IC test pin. Leave open circuit for normal operation.
136
678
SEIKO NPC CORPORATION —2
CF5036 series
BLOCK DIAGRAM
VCC
VCC2
XIN
OUT
Colpitts
OSC
1/2
PECL
OUTN
XOUT
GND
OE
OSCILLATOR CIRCUIT CONSTANT
The CF5036 series oscillator setting varies with device version to optimize characteristics over the recommended operating frequency range.
Version
Built-in capacitance*1 *2[pF]
Oscillation mode
CF5036G×
CF5036A×
CF5036B×
Fundamental
or
3rd overtone
CF5036C×
CF5036D×
Recommended operating
frequency range*3 [MHz]
CXIN
CXOUT
16
16
50 to 80
12
12
80 to 120
8
8
100 to 180
6
6
150 to 250
5
5
250 to 400
Fundamental
5
5
400 to 600
CF5036F×
4
4
600 to 700
CF5036V×
Setting by external components
(C0 cancel is not built-in.)
(4)
(4)
80 to 400
(4)
(4)
400 to 700
CF5036E×
CF5036W×
*1. The oscillator internal capacitance values includes parasitic capacitance.
*2. Values in parentheses ( ) are provisional only.
*3. 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.
Oscillator Equivalent Circuit
C0 cancel
CXIN
Rf
XIN
RPD1
CXOUT
XOUT
Oscillator block equivalent circuit
The CF5036 series oscillator circuit has a C0 cancel circuit built-in to improve the oscillator margin. If power is applied when there is an
open circuit between XIN and XOUT, self oscillation may occur, which is not abnormal. Users should confirm that the oscillator operates
normally when a crystal unit is connected.
SEIKO NPC CORPORATION —3
CF5036 series
SPECIFICATIONS
Absolute Maximum Ratings
Parameter
Symbol
Conditions
Rating
Unit
Supply voltage range
VCC
−0.5 to +5.0
V
Input voltage range
VIN
GND − 0.5 to VCC + 0.5
V
Output voltage range
VOUT
GND − 0.5 to VCC + 0.5
V
Storage temperature range
TSTG
−65 to +150
°C
Chip form
Recommended Operating Conditions
Rating
Parameter
Symbol
Conditions
Unit
Min
Typ
Max
Operating supply voltage
VCC
2.375
–
3.6
V
Input voltage
VIN
GND
–
VCC
V
TOPR
−40
+25
+85
°C
49.5
50
50.5
Ω
25
–
700
MHz
Operating temperature
Output load
Output frequency
RL
fOUT
Terminated to VCC − 2V
SEIKO NPC CORPORATION —4
CF5036 series
Electrical Characteristics
3.3V operation
VCC = 3.0 to 3.6V, GND = 0V, Ta = −40 to +85°C unless otherwise noted.
Rating
Parameter
Symbol
Conditions
Typ
Max
5036G×, A×, B×, C×, D×
–
55
88
mA
5036E×, F×
–
64
98
mA
–
–
30
µA
Ta = 0 to 85°C
2.275
2.350
2.420
V
Ta = –40°C
2.215
2.295
2.420
V
Ta = 0 to 85°C
1.490
1.600
1.680
V
Ta = –40°C
1.470
1.605
1.745
V
–
–
10
µA
IEE1
Measurement cct. 1,
OE = open
Current consumption 2
IEE2
Measurement cct. 1, OE = LOW
HIGH-level output voltage
VOH
Measurement cct. 2,
VCC = 3.3V,
OE = open,
OUT, OUTN pins
Current consumption 1
LOW-level output voltage
VOL
Unit
Min
Output leakage current
IZ
Measurement cct. 3, OE = LOW, OUT, OUTN pins
HIGH-level input voltage
VIH
Measurement cct. 1, OE pin
0.7VCC
–
–
V
LOW-level input voltage
VIL
Measurement cct. 1, OE pin
–
–
0.3VCC
V
LOW-level input current 1
IIL1
Measurement cct. 1, VIL = 0V, OE pin
−2
–
−20
µA
LOW-level input current 2
IIL2
Measurement cct. 1, VIL = 0.7VCC, OE pin
−20
–
−200
µA
Measurement cct. 3, XIN pin
12
24
48
kΩ
Pull-down resistance 1
RPD1
2.5V operation
VCC = 2.375 to 2.625V, GND = 0V, Ta = −40 to +85°C unless otherwise noted.
Rating
Parameter
Symbol
Conditions
Typ
Max
5036G×, A×, B×, C×, D×
–
55
88
mA
5036E×, F×
–
64
98
mA
–
–
30
µA
Ta = 0 to 85°C
1.475
1.550
1.760
V
Ta = –40°C
1.415
1.495
1.620
V
Ta = 0 to 85°C
0.690
0.800
1.095
V
Ta = –40°C
0.670
0.805
1.195
V
–
–
10
µA
IEE1
Measurement cct. 1,
OE = open
Current consumption 2
IEE2
Measurement cct. 1, OE = LOW
HIGH-level output voltage
VOH
Measurement cct. 2,
VCC = 2.5V,
OE = open,
OUT, OUTN pins
Current consumption 1
LOW-level output voltage
VOL
Unit
Min
Output leakage current
IZ
Measurement cct. 3, OE = LOW, OUT, OUTN pins
HIGH-level input voltage
VIH
Measurement cct. 1, OE pin
0.7VCC
–
–
V
LOW-level input voltage
VIL
Measurement cct. 1, OE pin
–
–
0.3VCC
V
LOW-level input current 1
IIL1
Measurement cct. 1, VIL = 0V, OE pin
−2
–
−20
µA
LOW-level input current 2
IIL2
Measurement cct. 1, VIL = 0.7VCC, OE pin
−10
–
−150
µA
Measurement cct. 3, XIN pin
12
24
48
kΩ
Pull-down resistance 1
RPD1
SEIKO NPC CORPORATION —5
CF5036 series
Switching Characteristics
3.3V operation
VCC = 3.0 to 3.6V, GND = 0V, Ta = −40 to +85°C unless otherwise noted.
Rating
Parameter
Output duty cycle 1
Output duty cycle 2
Output swing*1
Symbol
Duty1
Duty2
VOpp
Conditions
Unit
Min
Typ
Max
Measurement cct. 4, measured
at output crossing point,
Ta = 25°C, VCC = 3.3V
f < 350MHz
45
–
55
%
f ≥ 350MHz
40
–
60
%
Measurement cct. 4,
measured at 50% output swing,
Ta = 25°C, VCC = 3.3V
f < 350MHz
45
–
55
%
f ≥ 350MHz
40
–
60
%
5036G×: f = 80MHz
0.4
–
–
V
5036A×: f = 120MHz
0.4
–
–
V
5036B×: f = 180MHz
0.4
–
–
V
5036C×: f = 250MHz
0.4
–
–
V
5036D×: f = 400MHz
0.4
–
–
V
5036E×: f = 600MHz
0.4
–
–
V
5036F×: f = 700MHz
0.4
–
–
V
Measurement cct. 4,
Ta = TOPR,
Peak to peak of single output
waveform
Output rise time
tr
Measurement cct. 4, 20 to 80% output swing
–
0.3
0.7
ns
Output fall time
tf
Measurement cct. 4, 80 to 20% output swing
–
0.3
0.7
ns
Output enable time*2
tOE
Measurement cct. 1, Ta = 25°C
–
–
2
ms
Output disable time
tOD
Measurement cct. 1, Ta = 25°C
–
–
200
ns
*1. The said values are measured by using the NPC standard jig.
*2. The built-in oscillator stop function does not operate with normal output immediately when OE goes HIGH. Instead, normal output occurs after the
oscillator startup time has elapsed.
SEIKO NPC CORPORATION —6
CF5036 series
2.5V operation
VCC = 2.375 to 2.625V, GND = 0V, Ta = −40 to +85°C unless otherwise noted.
Rating
Parameter
Symbol
Output duty cycle 1
Duty1
Output duty cycle 2
Duty2
Output swing*1
VOpp
Conditions
Unit
Min
Typ
Max
Measurement cct. 4, measured
at output crossing point,
Ta = 25°C, VCC = 2.5V
f < 350MHz
45
–
55
%
f ≥ 350MHz
40
–
60
%
Measurement cct. 4,
measured at 50% output swing,
Ta = 25°C, VCC = 2.5V
f < 250MHz
45
–
55
%
f ≥ 250MHz
40
–
60
%
5036G×: f = 80MHz
0.2
–
–
V
5036A×: f = 120MHz
0.2
–
–
V
5036B×: f = 180MHz
0.2
–
–
V
5036C×: f = 250MHz
0.2
–
–
V
5036D×: f = 400MHz
0.2
–
–
V
5036E×: f = 600MHz
0.2
–
–
V
5036F×: f = 700MHz
0.2
–
–
V
Measurement cct. 4,
Ta = TOPR,
Peak to peak of single output
waveform
Output rise time
tr
Measurement cct. 4, 20 to 80% output swing
–
0.3
0.7
ns
Output fall time
tf
Measurement cct. 4, 80 to 20% output swing
–
0.3
0.7
ns
Output enable time*2
tOE
Measurement cct. 1, Ta = 25°C
–
–
2
ms
Output disable time
tOD
Measurement cct. 1, Ta = 25°C
–
–
200
ns
*1. The said values are measured by using the NPC standard jig.
*2. The built-in oscillator stop function does not operate with normal output immediately when OE goes HIGH. Instead, normal output occurs after the
oscillator startup time has elapsed.
tPER
tW
OUTN
OUT
80%
20%
tr
tf
20%
VOpp
Hi-Z
tOD
OE
VIH
tOE
VIL
OE input waveform tr = tf 10ns
DUTY1 = 100tW/tPER (%) @ crossing point
DUTY2 = 100tW/tPER (%) @ 50% waveform
Timing chart
SEIKO NPC CORPORATION —7
CF5036 series
FUNCTIONAL DESCRIPTION
Standby Function
When OE goes LOW, the oscillator stops and the output pins (OUT, OUTN) become high impedance.
OE
OUT, OUTN
Oscillator
HIGH (or open)
Either fO or fO/2
Normal operation
LOW
High impedance
Stopped
Power-saving Pull-up Resistor
The OE pin pull-up resistance changes in response to the input level (HIGH or LOW). When OE is tied LOW
(standby state), the pull-up resistance becomes large, reducing the current consumed by the resistance. When
OE is open circuit, the pull-up resistance becomes small, decreasing the susceptibility to the effects of external
noise.
SEIKO NPC CORPORATION —8
CF5036 series
MEASUREMENT CIRCUITS
Measurement Circuit 1
Measurement Circuit 3
A IEE1, IEE2
VCC
A
2V
VCC2
VCC
OUT
IPD1
Test point
VCC2
OUT
XIN
Signal
Generator
R1
IZ
VT
OE
OUTN
R1
XOUT
OUTN
A
RPD1=VCC/IPD1
R1
C1
IZ
OE
Test point
A
GND
GND,TEST
IIL1, IIL2
A
VIH,VIL
Measurement Circuit 4
500mVp-p, sine wave
C1: 0.01µF
R1: 49.9Ω
Note. Connect 0.01µF and approximately 10µF bypass capacitors
between supply (VCC, VCC2) and GND. Note that the 0.01µF
capacitor should have circuit wiring as short as possible.
VCC
XIN
2V
VCC2
OUT
R1
VT
Measurement Circuit 2
XOUT
OE
VCC
R1
OUTN
GND
Duty1,Duty2,VOpp,tr,tf
2V
VCC2
OUT
R1: 49.9Ω
Note. Connect 0.01µF and approximately 10µF bypass capacitors
between supply (VCC, VCC2) and GND. Note that the 0.01µF
capacitor should have circuit wiring as short as possible.
R1
VT
XIN
R1
OUTN
GND,TEST
VOH,VOL
R1: 49.9Ω
XIN = HIGH: OUT = HIGH
XIN = LOW : OUT = LOW
SEIKO NPC CORPORATION —9
CF5036 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]
NC0308FE
2006.04
SEIKO NPC CORPORATION —10
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