參數(shù)資料
型號(hào): ICS85108AGILFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 4/16頁
文件大?。?/td> 0K
描述: IC CLK BUFFER 1:8 500MHZ 24TSSOP
標(biāo)準(zhǔn)包裝: 1,000
系列: HiPerClockS™
類型: 扇出緩沖器(分配)
電路數(shù): 1
比率 - 輸入:輸出: 1:8
差分 - 輸入:輸出: 是/是
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: HCSL
頻率 - 最大: 500MHz
電源電壓: 2.97 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
ICS85108I Data Sheet
LOW SKEW, 1-TO-8, DIFFERENTIAL-TO-0.7V HCSL CLOCK DISTRIBUTION CHIP
ICS85108AGI REVISION A OCTOBER 23, 2009
12
2009 Integrated Device Technology, Inc.
3. Calculations and Equations.
The purpose of this section is to calculate power dissipation on the IC per HCSL output pair.
HCSL output driver circuit and termination are shown in Figure 4.
Figure 4. HCSL Driver Circuit and Termination
HCSL is a current steering output which sources a maximum of 17mA of current per output. To calculate worst case on-chip power dissipation,
use the following equations which assume a 50
load to ground.
The highest power dissipation occurs when VDD_MAX.
Power
= (VDD_MAX – VOUT) * IOUT,
since VOUT = IOUT * RL
= (VDD_MAX – IOUT * RL) * IOUT
= (3.63V – 17mA * 50
) * 17mA
Total Power Dissipation per output pair = 47.3mW
VDD
VOUT
RL
50
IC
IOUT = 17mA
RREF =
475
± 1%
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