NBXSBA021 PDF даташит
Спецификация NBXSBA021 изготовлена «ON Semiconductor» и имеет функцию, называемую «Clock Oscillator». |
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Детали детали
Номер произв | NBXSBA021 |
Описание | Clock Oscillator |
Производители | ON Semiconductor |
логотип |
6 Pages
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NBXSBA021, NBXSBB021
3.3 V, 266.667 MHz LVPECL
Clock Oscillator
The NBXSBB021/NBXSBA021 single frequency crystal oscillator
(XO) is designed to meet today's requirements for 3.3ĂV LVPECL
clock generation applications. The device uses a high Q fundamental
crystal and Phase Lock Loop (PLL) multiplier to provide
266.667 MHz, ultra low jitter and phase noise LVPECL differential
output.
This device is a member of ON Semiconductor's PureEdget clock
family that provides accurate and precision clock solutions.
Available in 5 mm x 7 mm SMD (CLCC) package on 16 mm tape
and reel in quantities of 1,000. Frequency stability options available as
either 50 PPM NBXSBA021 or 20 PPM NBXSBB021.
Features
•ăLVPECL Differential Output
•ăUses High Q Fundamental Mode Crystal and PLL Multiplier
•ăUltra Low Jitter and Phase Noise - 0.4 ps (12 kHz - 20 MHz)
•ăOutput Frequency - 266.667 MHz
•ăHermetically Sealed Ceramic SMD Package
•ăRoHS Compliant
•ăOperating Range 3.3 V ±10%
•ăTotal Frequency Stability - ±20 PPM or ±50 PPM
Applications
•ăServers
•ăFully Buffered DIMM
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VDD
6
CLK CLK
54
Crystal
PLL
Clock
Multiplier
1 23
OE NC GND
Figure 1. Simplified Logic Diagram
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6 PIN CLCC
LN SUFFIX
CASE 848AB
MARKING DIAGRAMS
NBXSBB021
266.667
AWLYYWW
NBXSBA021
266.667
AWLYYWW
NBXSBB021
NBXSBA021
266.667
A
WL
YY
WW
= NBXSBB021 (±20 PPM)*
= NBXSBA021 (±50 PPM)
= Output Frequency (MHz)
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
Device
Package Shipping†
NBXSBB021LN1TAG* CLCC-6
1000/
(Pb-Free) Tape & Reel
NBXSBA021LN1TAG CLCC-6
1000/
(Pb-Free) Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
* Please contact sales office for availability
©Ă Semiconductor Components Industries, LLC, 2008
May, 2008 - Rev. 1
1
Publication Order Number:
NBXSBB021/D
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NBXSBA021, NBXSBB021
OE 1
NC 2
6 VDD
5 CLK
GND 3
4 CLK
Figure 2. Pin Connections (Top View)
Table 1. PIN DESCRIPTION
Pin No.
1
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ2
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ3
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ4
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ5
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ6
Symbol
OE
NC
GND
CLK
CLK
VDD
I/O
LVTTL/LVCMOS
Control Input
N/A
Power Supply
LVPECL Output
LVPECL Output
Power Supply
Description
Output Enable Pin. When left floating pin defaults to logic HIGH and output is active.
See OE pin description Table 2.
No Connect.
Ground 0 V.
Non-Inverted Clock Output. Typically loaded with 50 W receiver termination resistor to
VTT = VDD - 2 V.
Inverted Clock Output. Typically loaded with 50 W receiver termination resistor to
VTT = VDD - 2 V.
Positive power supply voltage. Voltage should not exceed 3.3 V ±10%.
Table 2. OUTPUT ENABLE TRI-STATE FUNCTION
OE Pin
Output Pins
Open
Active
HIGH Level
Active
LOW Level
High Z
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Table 3. ATTRIBUTES
Characteristic
Value
Internal Default State Resistor
170 kW
ESD Protection
Human Body Model
Machine Model
2 kV
200 V
Meets or Exceeds JEDEC Standard EIA/JESD78 IC Latchup Test
1. For additional Moisture Sensitivity information, refer to Application Note AND8003/D.
Table 4. MAXIMUM RATINGS
Symbol
Parameter
Condition 1
Condition 2
Rating
Units
VDD Positive Power Supply
Iout LVPECL Output Current
GND = 0 V
Continuous
Surge
4.6 V
25 mA
50
TA Operating Temperature Range
-40 to +85
°C
Tstg Storage Temperature Range
-55 to +120
°C
Tsol Wave Solder
See Figure 5
260 °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
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NBXSBA021, NBXSBB021
Table 5. DC CHARACTERISTICS (VDD = 3.3 V ± 10%, GND = 0 V, TA = -40°C to +85°C) (Note 2)
Symbol
Characteristic
Conditions
Min.
Typ.
Max.
Units
IDD Power Supply Current (Note 2)
75 100 mA
VIH OE Input HIGH Voltage
2000
VDD
mV
VIL OE Input LOW Voltage
GND - 300
800 mV
IIH Input HIGH Current
OE
-100
+100
mA
IIL Input LOW Current
OE
-100
+100
mA
VOH Output HIGH Voltage (Note 2)
VDD = 3.3 V
VDD-1195
2105
VDD-945
2355
mV
VOL Output LOW Voltage (Note 2)
VDD = 3.3 V
VDD-1945
1355
VDD-1600
1700
mV
VOUTPP
Output Voltage Amplitude (Note 2)
700 mV
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 Ifpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
2. Measurement taken with outputs terminated with 50 ohm to VDD-2 V. See Figure 4.
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