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参数资料
| 型号： | NB3N853531EDTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC FANOUT BUFFER LVPECL 20TSSOP |
| 标准包装： | 2,500 |
| 类型： | 扇出缓冲器（分配），多路复用器 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:4 |
| 差分 - 输入:输出： | 无/是 |
| 输入： | LVCMOS，LVTTL，晶体 |
| 输出： | LVPECL |
| 频率 - 最大： | 266MHz |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
Semiconductor Components Industries, LLC, 2012
March, 2012 Rev. 6
1
Publication Order Number:
NB3N853531E/D
NB3N853531E
3.3 V Xtal or
LVTTL/LVCMOS Input 2:1
MUX to 1:4 LVPECL Fanout
Buffer
Description
The NB3N853531E is a low skew 3.3 V supply 1:4 clock
distribution fanout buffer. An input MUX selects either a
Fundamental Parallel Mode Crystal or a LVCMOS/LVTTL Clock by
using the CLK_SEL pin (HIGH for Crystal, LOW for Clock) with
LVCMOS / LVTTL levels.
The single ended CLK input is translated to four LVPECL Outputs.
Using the crystal input, the NB3N853531E can be a Clock Generator.
A CLK_EN pin can enable or disable the outputs synchronously to
eliminate runt pulses using LVCMOS/LVTTL levels (HIGH to enable
outputs, LOW to disable outputs).
Features
Four Differential 3.3 V LVPECL Outputs
Selectable Crystal or LVCMOS/LVTTL CLOCK Inputs
Up to 266 MHz Clock Operation
Output to Output Skew: 30 ps (Max)
Device to Device Skew 200 ps (Max)
Propagation Delay 1.8 ns (Max)
Operating Range: VCC = 3.3 ±5% V( 3.135 to 3.465 V)
Additive Phase Jitter, RMS: 0.053 ps (Typ)
Synchronous Clock Enable Control
Industrial Temp. Range (40°C to 85°C)
PbFree TSSOP20 Package
Ambient Operating Temperature Range 40°C to +85°C
These are PbFree Devices
Figure 1. Simplified Logic Diagram
OSC
Pullup
CLK_EN
Pulldown
CLK
XTAL_IN
XTAL_OUT
Pulldown
1
0
D
Q
Q0
Q1
Q2
Q3
CLK_SEL
MARKING
DIAGRAM
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= PbFree Package
http://onsemi.com
(Note: Microdot may be in either location)
See detailed ordering and shipping information in the
package dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
TSSOP20
DT SUFFIX
CASE 948E
NB3N
531E
ALYWG
G
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