參數(shù)資料
型號(hào): ICS8745BM-21LFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 3/19頁
文件大?。?/td> 0K
描述: IC CLK GEN 1:1 DIFF-LVDS 20-SOIC
標(biāo)準(zhǔn)包裝: 1,000
系列: HiPerClockS™
類型: 時(shí)鐘發(fā)生器
PLL: 帶旁路
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: LVDS
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 700MHz
除法器/乘法器: 是/是
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 帶卷 (TR)
其它名稱: 8745BM-21LFT
ICS8745BM-21 REVISION D JANUARY 25, 2010
11
2010 Integrated Device Technology, Inc.
ICS8745B-21 Data Sheet
1:1 DIFFERENTIAL-TO-LVDS ZERO DELAY CLOCK GENERATOR
Differential Clock Input Interface
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and
other differential signals. Both signals must meet the VPP and VCMR
input requirements. Figures 3A to 3F show interface examples for the
CLK/nCLK input driven by the most common driver types. The input
interfaces suggested here are examples only. Please consult with the
vendor of the driver component to confirm the driver termination
requirements. For example, in Figure 3A, the input termination
applies for IDT open emitter LVHSTL drivers. If you are using an
LVHSTL driver from another vendor, use their termination
recommendation.
3A. CLK/nCLK Input Driven by an
IDT Open Emitter LVHSTL Driver
Figure 3C. CLK/nCLK Input Driven by a
3.3V LVPECL Driver
Figure 3E. CLK/nCLK Input Driven by a
3.3V HCSL Driver
Figure 3B. CLK/nCLK Input Driven by a
3.3V LVPECL Driver
Figure 3D. CLK/nCLK Input Driven by a
3.3V LVDS Driver
Figure 3F. CLK/nCLK Input Driven by a
2.5V SSTL Driver
R1
50
R2
50
1.8V
Zo = 50
Zo = 50
CLK
nCLK
3.3V
LVHSTL
IDT
HiPerClockS
LVHSTL Driver
Differential
Input
R3
125
R4
125
R1
84
R2
84
3.3V
Zo = 50
Zo = 50
CLK
nCLK
3.3V
LVPECL
Differential
Input
HCSL
*R3
33
*R4
33
CLK
nCLK
2.5V
3.3V
Zo = 50
Zo = 50
Differential
Input
R1
50
R2
50
*Optional – R3 and R4 can be 0
CLK
nCLK
Differential
Input
LVPECL
3.3V
Zo = 50
Zo = 50
3.3V
R1
50
R2
50
R2
50
3.3V
R1
100
LVDS
CLK
nCLK
3.3V
Receiver
Zo = 50
Zo = 50
CLK
nCLK
Differential
Input
SSTL
2.5V
Zo = 60
Zo = 60
2.5V
3.3V
R1
120
R2
120
R3
120
R4
120
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