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参数资料
| 型号： | NB4L858MFAR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC CROSSPOINT SWITCH DUAL 32LQFP |
| 标准包装： | 2,000 |
| 功能： | 交叉点开关 |
| 电路： | 2 x 2:2 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.3 V ~ 3.6 V |
| 电流 - 电源： | 130mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 带卷 (TR) |
Semiconductor Components Industries, LLC, 2005
December, 2005 Rev. 9
1
Publication Order Number:
NB4L858M/D
NB4L858M
2.5V/3.3V, 3 GHz Dual
Differential Clock/Data 2x2
Crosspoint Switch with
CML Output and Internal
Termination
Description
The NB4L858M is a highbandwidth low voltage fully differential
dual 2 x 2 crosspoint switch with CML outputs that is suitable for
applications such as SDH/SONET DWDM and high speed switching
applications. Design technique minimizes jitter accumulation,
crosstalk, and signal skew which make this device ideal for
loopthrough and protection channel switching application. Each
2 x 2 crosspoint switch can fan out and/or multiplex up to 3 Gb/s data
and 3 GHz clock signals.
Differential inputs incorporate a pair of internal 50
W termination
resistors in a centertapped configuration (VTDx Pins) and can accept
LVPECL (Positive ECL) or CML input signal without any external
component. This feature provides transmission line termination
onchip, at the receiver end, eliminating external components.
Differential 16 mA CML output provides matching internal 50
W
terminations, and 400 mV output swings when externally terminated,
50
W to VCC.
The SELECT inputs are singleended and can be driven with either
LVCMOS or LVTTL input levels. The device is housed in a low
profile 7 x 7 mm 32pin LQFP package.
Features
Maximum Input Clock Frequency 3 GHz
Maximum Input Data Frequency 3 Gb/s
350 ps Typical Propagation Delay
80 ps Typical Rise and Fall Times
12 ps Channel to Channel Skew
0.5 ps RMS Jitter
5 ps Deterministic Jitter @ 2.5 Gb/s
Operating Range: VCC = 2.3V to 3.6 V with GND = 0 V
CML Output Level (400 mV PeaktoPeak Output), Differential
Output
These are PbFree Devices
32
1
LQFP32
FA SUFFIX
CASE 873A
MARKING
DIAGRAM*
NB4L
858M
AWLYYWW
http://onsemi.com
*For additional marking information, refer to
Application Note AND8002/D.
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
ORDERING INFORMATION
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
G
= PbFree Package
50
W
50
W
50
W
50
W
50
W
50
W
50
W
50
W
SELA0
DA0
VTDA0
DA0
DA1
VTDA1
DA1
DB0
VTDB0
DB0
DB1
VTDB1
DB1
SELA1
SELB0
SELB1
QA0
QA1
QB0
QB1
A0
A1
B0
B1
0
1
0
1
0
1
0
1
Figure 1. Functional Block Diagram
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| NB4N111KMNR4G | 功能描述:时钟缓冲器 TSMC 1:10 FANOUT BUF HCSL RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
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