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參數資料
| 型號： | NB2308A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 3.3 V Zero Delay Clock Buffer(3.3V零延遲時鐘緩沖器) |
| 中文描述： | 3.3伏零延遲時鐘緩沖器（3.3零延遲時鐘緩沖器） |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 160K |
| 代理商： | NB2308A |
Semiconductor Components Industries, LLC, 2006
November, 2006
Rev. 3
1
Publication Order Number:
NB2308A/D
NB2308A
3.3 V Zero Delay
Clock Buffer
The NB2308A is a versatile, 3.3 V zero delay buffer designed to
distribute high
speed clocks. It is available in a 16 pin package. The
part has an on
chip PLL which locks to an input clock presented on
the REF pin. The PLL feedback is required to be driven to FBK pin,
and can be obtained from one of the outputs. The input
to
output
propagation delay is guaranteed to be less than 250 ps, and the
output
to
output skew is guaranteed to be less than 200 ps.
The NB2308A has two banks of four outputs each, which can be
controlled by the select inputs as shown in the Select Input Decoding
Table. If all the output clocks are not required, Bank B can be
three
stated. The select input also allows the input clock to be directly
applied to the outputs for chip and system testing purposes.
Multiple NB2308A devices can accept the same input clock and
distribute it. In this case the skew between the outputs of the two
devices is guaranteed to be less than 700 ps.
The NB2308A is available in five different configurations (Refer to
NB2308A Configurations Table). The NB2308Ax1* is the base part,
where the output frequencies equal the reference if there is no counter
in the feedback path. The NB2308Ax1H is the high
drive version of
the
1 and the rise and fall times on this device are much faster.
The NB2308Ax2 allows the user to obtain 2X and 1X frequencies
on each output bank. The exact configuration and output frequencies
depends on which output drives the feedback pin. The NB2308Ax3
allows the user to obtain 4X and 2X frequencies on the outputs.
The NB2308Ax4 enables the user to obtain 2X clocks on all outputs.
Thus, the part is extremely versatile, and can be used in a variety of
applications.
The NB2308Ax5H is a high
drive version with REF/2 on both
banks.
Features
Zero Input
Output Propagation Delay, Adjustable by Capacitive
Load on FBK Input
Multiple Configurations
Refer to NB2308A Configurations Table
Input Frequency Range: 15 MHz to 133 MHz
Multiple Low
Skew Outputs
Output
Output Skew Less than 200 ps
Device
Device Skew Less than 700 ps
Two banks of four outputs, three
stateable by two select inputs
Less than 200 ps Cycle
to
Cycle Jitter
Available in 16
pin SOIC and TSSOP Packages
3.3V operation
Advanced 0.35
CMOS Technology
These are Pb
Free Devices**
*x = C for Commercial; I for Industrial.
**For additional information on our Pb
Free strategy and soldering details,
please download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
MARKING
DIAGRAMS*
XXXX
A
WL, L
Y
WW, W = Work Week
G or
= Pb
Free Package
(Note: Microdot may be in either location)
= Device Code
= Assembly Location
= Wafer Lot
= Year
*For additional marking information, refer to
Application Note AND8002/D.
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
SOIC
16
D SUFFIX
CASE 751B
1
16
1
16
1
16
1
16
XXXX
XXXX
ALYW
XXXXXXXXXG
AWLYWW
TSSOP
16
DT SUFFIX
CASE 948F
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NB2308AC1D | 功能描述:鎖相環(huán) - PLL 3.3V Eight Output RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2308AC1DG | 功能描述:鎖相環(huán) - PLL 3.3V Eight Output Zero Delay Buffer RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2308AC1DR2 | 功能描述:鎖相環(huán) - PLL 3.3V Eight Output RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2308AC1DR2G | 功能描述:鎖相環(huán) - PLL 3.3V Eight Output Zero Delay Buffer RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2308AC1DT | 功能描述:鎖相環(huán) - PLL 3.3V Eight Output RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
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