參數(shù)資料
型號(hào): ICS85310AYI-01LFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 17/18頁
文件大?。?/td> 0K
描述: IC CLOCK BUFFER MUX 2:10 32-LQFP
標(biāo)準(zhǔn)包裝: 1,000
系列: HiPerClockS™
類型: 扇出緩沖器(分配),多路復(fù)用器
電路數(shù): 1
比率 - 輸入:輸出: 2:10
差分 - 輸入:輸出: 是/是
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: ECL,LVPECL
頻率 - 最大: 700MHz
電源電壓: 2.375 V ~ 3.8 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
包裝: 帶卷 (TR)
其它名稱: 85310AYI-01LFT
ICS85310AYI-01 REVISION I JANUARY 25, 2010
8
2010 Integrated Device Technology, Inc.
ICS5310I-01 Data Sheet
LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-3.3V, 2.5V LVPECL/ECL FANOUT BUFFER
Application Information
Wiring the Differential Input to Accept Single-Ended Levels
Figure 1 shows how the differential input can be wired to accept
single-ended levels. The reference voltage V_REF = VCC/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio of
R1 and R2 might need to be adjusted to position the V_REF in the
center of the input voltage swing. For example, if the input clock swing
is only 2.5V and VCC = 3.3V, V_REF should be 1.25V and R2/R1 =
0.609.
Figure 1. Single-Ended Signal Driving Differential Input
Recommendations for Unused Input Pins
Inputs:
CLK/nCLK Inputs
For applications not requiring the use of the differential input, both
CLK and nCLK can be left floating. Though not required, but for
additional protection, a 1k
resistor can be tied from CLK to ground.
Single-ended LVPECL Control Pins
All control pins have internal pulldowns; additional resistance is not
required but can be added for additional protection. A 1k
resistor
can be used.
Outputs:
LVPECL Outputs
All unused LVPECL outputs can be left floating. We recommend that
there is no trace attached. Both sides of the differential output pair
should either be left floating or terminated.
V_REF
Single Ended Clock Input
VCC
CLKx
nCLKx
R1
1K
C1
0.1u
R2
1K
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