参数资料
型号: NB4N121KMNR2G
厂商: ON Semiconductor
文件页数: 7/9页
文件大小: 0K
描述: IC CLK BUFFER 1:21 400MHZ 52-QFN
标准包装: 2,000
类型: 扇出缓冲器(分配)
电路数: 1
比率 - 输入:输出: 1:21
差分 - 输入:输出: 是/是
输入: CML,LVCMOS,LVDS,LVPECL,LVTTL
输出: HCSL
频率 - 最大: 400MHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 52-VFQFN 裸露焊盘
供应商设备封装: 52-QFN(8x8)
包装: 带卷 (TR)
NB4N121K
http://onsemi.com
7
Figure 9. Typical Termination Configuration for Output Driver and Device Evaluation
CLx for Test Only (Representing Receiver Input Loading); Not Added to Application
CL3D
2 pF
CL4D
2 pF
A. For 1X configuration, connect IREF pin
to GND or for 2X configuration, connect
IREF pin to VCC. To adjust load drive for
1X configuration, use RREF from 0 W to
1 kW, to adjust 2X load, use 20 kW to
50 kW.
B. RL1, RL2: 50 W for 1X Load
25 W for 2X Load
C. RS1, RS2: 0 W for Test and
Evaluation. Select to Minimizing Ringing.
D. CL1, CL2, CL3, CL4: Receiver Input
Simulation Load Capacitance Only
CL1D
2 pF
CL2D
2 pF
Z0 = 50 W
2X Load Option
1X Load
Receiver 2
Receiver
RS1C
RS2C
HCSL
Driver
RREFA
RL1B
50
RL2B
50
Qx
50 W*
VTCLK = VTCLK = VCC 2.0 V
LVPECL
Driver
Z0 = 50 W
VCC = 3.3 V
GND
50 W*
VTCLK
D
Figure 10. LVPECL Interface
*RTIN, Internal Input Termination Resistor
50 W*
VTCLK = VTCLK
LVDS
Driver
Z0 = 50 W
VCC = 3.3 V
GND
50 W*
VTCLK
D
Figure 11. LVDS Interface
*RTIN, Internal Input Termination Resistor
NB4N121K
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