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參數(shù)資料
型號(hào): NB4N441MNR2G
廠商: ON Semiconductor
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 0K
描述: IC SYNTH PLL CLK LVPECL 24-QFN
標(biāo)準(zhǔn)包裝: 3,000
類型: 時(shí)鐘/頻率合成器
PLL:
輸入: LVCMOS,LVTTL,晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 425MHz
除法器/乘法器: 無/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 帶卷 (TR)
NB4N441
http://onsemi.com
3
Table 1. PIN DESCRIPTION
Pin
Name
I/O
Description
11, 12, 13, 24
VCC
Power Supply
Positive supply voltage.
3
VCC_PLL
PLL Power Supply
Positive supply voltage for the PLL.
1, 6, 9, 18, 19
GND
Ground
Ground.
20
LOCKED
LVTTL Lock Output
When Low, this output provides indication that the PLL is
locked and the device is in proper operating mode. When
High, the PLL is out of lock.
2, 4, 5, 10, 14
NC
No Connect.
8
CLK / XTAL1,
LVTTL/LVCMOS Single Ended
Clock or XTAL Inputs
The crystal is connected between the XTAL1 and XTAL2 pin.
If driving singleended, use XTAL1 and leave XTAL2
floating.
7
XTAL2
15
SLOAD**
LVTTL / LVCMOS,
Serial Load Input
Serial Load.
16
SDATA**
LVTTL / LVCMOS
Serial Data Input
Serial Data Input.
17
SCLOCK**
LVTTL / LVCMOS
Serial Clock Input
Serial Clock Input.
21
OE*
LVTTL Input
Synchronous Output Enable. When OE is HIGH or left
OPEN, the outputs are enabled. When OE is LOW, the
outputs are disabled.
22, 23
CLKOUT
LVPECL Output
Differential LVPECL Clock Outputs, Typically terminated with
50 W resistor to VCC – 2.0 V.
EP
The Exposed Pad on the 24 pin QFN package bottom is
thermally connected to the die for improved heat transfer out
of package. The pad is not electrically connected to the die,
but is recommended to be electrically connected to GND on
the PC board.
*Pins will default HIGH when left Open
**Pins will default LOW when left Open
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