參數(shù)資料
型號(hào): ICS874S02AMIT
元件分類: 時(shí)鐘及定時(shí)
英文描述: 874S SERIES, PLL BASED CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
封裝: 7.50 X 12.80 MM, 2.30 MM HEIGHT, MS-013, MO-119, SOIC-20
文件頁(yè)數(shù): 2/15頁(yè)
文件大?。?/td> 200K
代理商: ICS874S02AMIT
874S02AMI
www.icst.com/products/hiperclocks.html
REV. A APRIL 27, 2006
10
Integrated
Circuit
Systems, Inc.
ICS874S02I
1:1 DIFFERENTIAL-TO-LVDS
ZERO DELAY CLOCK GENERATOR
PRELIMINARY
LAYOUT GUIDELINE
The schematic of the ICS874S02I layout example is shown in
Figure 5A. The ICS874S02I recommended PCB board layout
for this example is shown in Figure 5B. This layout example is
used as a general guideline. The layout in the actual system will
depend on the selected component types and the density of
the P.C. board.
FIGURE 5A. ICS874S02I LVDS ZERO DELAY BUFFER SCHEMATIC EXAMPLE
SEL2
PLL_SEL
RD6
SP
RD4
SP
R4
100
VDD
RU3
1K
SP = Space (i.e. not intstalled)
SEL0
SEL3
RU4
1K
SEL[3:0] = 0101,
Divide by 2
R8
50
RD7
1K
(77.76 MHz)
VDDO
VDD
C1
0.1uF
Bypass capacitors located
near the power pins
RU5
SP
C16
10u
SEL3
VDDO
(U1-7)
Zo = 50 Ohm
VDDA
3.3V PECL Driv er
SEL1
R9
50
VDD=3.3V
VDDO
R10
50
SEL0
Zo = 50 Ohm
RD5
1K
C11
0.01u
(U1-11)
C4
0.1uF
SEL2
(155.52 MHz)
LVDS_input
+
-
Zo = 100 Ohm Dif f erential
R2
100
SEL1
RU7
SP
C2
0.1uF
R7
10
PLL_SEL
U1
ICS8745B-21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
19
18
17
CLK
nCLK
MR
nFB_IN
FB_IN
SEL2
VDDO
nQFB
QFB
GND
VDDO
nQ
Q
GND
SEL3
VDDA
SEL1
SEL0
VDDI
PLL_SEL
RD3
SP
VDD
VDDO=3.3V
RU6
1K
3.3V
LVDS DRIVER TERMINATION
A general LVDS interface is shown in Figure 4. In a 100
Ω
differential transmission line environment, LVDS drivers re-
quire a matched load termination of 100
Ω across near the
FIGURE 4. TYPICAL LVDS DRIVER TERMINATION
receiver input. For a multiple LVDS outputs buffer, if only par-
tial outputs are used, it is recommended to terminate the un-
used outputs.
100 Ohm Differiential Transmission Line
R1
100
3.3V
+
-
LVDS_Driv er
3.3V
相關(guān)PDF資料
PDF描述
ICS874S02BMILF 874S SERIES, PLL BASED CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
ICS874S02BMI 874S SERIES, PLL BASED CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
ICS8752CYI 8752 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS8752CYLF 8752 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS8761CYILF 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP64
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS874S02BMI 制造商:Integrated Device Technology Inc 功能描述:IC CLK GENERATOR ZDB 20SOIC
ICS874S02BMILF 功能描述:IC CLK GEN 1:1 DIFF ZD 20SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL,晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無(wú)/是 頻率 - 最大:800MHz 除法器/乘法器:是/無(wú) 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
ICS874S02BMILFT 功能描述:IC CLK GEN 1:1 DIFF ZD 20SOIC RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS874S02BMIT 制造商:Integrated Device Technology Inc 功能描述:IC CLK GENERATOR ZDB 20SOIC
ICS874S336AGLF 功能描述:IC CLOCK MULTIPLIER LVDS 20TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL,晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無(wú)/是 頻率 - 最大:800MHz 除法器/乘法器:是/無(wú) 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件