參數(shù)資料
型號: 8N3Q001EG-204LCDI8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 4/21頁
文件大?。?/td> 0K
描述: IC CLCK OSC QUAD FREQUENCY 5X7
特色產(chǎn)品: Fourth-generation FemtoClock for VCXO
標(biāo)準(zhǔn)包裝: 1
系列: FemtoClock® NG
類型: 時鐘振蕩器
頻率: 可調(diào)節(jié)/可選擇
電源電壓: 2.375 V ~ 3.465 V
電流 - 電源: 150mA
工作溫度: -40°C ~ 85°C
封裝/外殼: 10-CLCC
包裝: 標(biāo)準(zhǔn)包裝
供應(yīng)商設(shè)備封裝: 10-CLCC
安裝類型: 表面貼裝
其它名稱: 800-2571-6
IDT8N3Q001 REV G Data Sheet
QUAD-FREQUENCY PROGRAMMABLE-XO
IDT8N3Q001GCD REVISION A MARCH 6, 2012
12
2012 Integrated Device Technology, Inc.
Termination for 2.5V LVPECL Outputs
Figure 2A and Figure 2B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminating 50
to VCC – 2V. For VCC = 2.5V, the VCC – 2V is very close to ground
level. The R3 in Figure 2B can be eliminated and the termination is
shown in Figure 2C.
Figure 2A. 2.5V LVPECL Driver Termination Example
Figure 2C. 2.5V LVPECL Driver Termination Example
Figure 2B. 2.5V LVPECL Driver Termination Example
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
Ω
50
Ω
R1
250
Ω
R3
250
Ω
R2
62.5
Ω
R4
62.5
Ω
+
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
Ω
50
Ω
R1
50
Ω
R2
50
Ω
+
2.5V LVPECL Driver
VCC = 2.5V
2.5V
50
Ω
50
Ω
R1
50
Ω
R2
50
Ω
R3
18
Ω
+
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