IDT / ICS LVCMOS/LVTTL FANOUT BUFFER
參數(shù)資料
型號: ICS8344BYILF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 2/16頁
文件大?。?/td> 0K
描述: IC CLOCK BUFFER MUX 2:24 48-LQFP
標準包裝: 250
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: 2:24
差分 - 輸入:輸出: 是/無
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: LVCMOS,LVTTL
頻率 - 最大: 100MHz
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
其它名稱: 8344BYILF
IDT / ICS LVCMOS/LVTTL FANOUT BUFFER
10
ICS8344BYI REV. B February 20, 2009
ICS8344I
LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER
APPLICATION INFORMATION
FIGURE 1. SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT
Figure 1 shows how the differential input can be wired to accept
single ended levels. The reference voltage V_REF = V
DD
/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
WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LEVELS
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 V
DD
= 3.3V, V_REF should be 1.25V
and R2/R1 = 0.609.
V_REF
R1
1K
C1
0.1u
R2
1K
Single Ended Clock Input
CLKx
nCLKx
VDD
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
Ω resistor can be tied from CLK to
ground.
LVCMOS CONTROL PINS
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω resistor can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
LVCMOS OUTPUTS
All unused LVCMOS output can be left floating. There should be
no trace attached.
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ICS8344BYILFT 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器,驅(qū)動器 系列:HiPerClockS™ 標準包裝:74 系列:- 類型:扇出緩沖器(分配) 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL,LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN(5x5) 包裝:管件
ICS8344BYI-T 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
ICS8344BYLF 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器,驅(qū)動器 系列:HiPerClockS™ 標準包裝:74 系列:- 類型:扇出緩沖器(分配) 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL,LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN(5x5) 包裝:管件
ICS8344BYLFT 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器,驅(qū)動器 系列:HiPerClockS™ 標準包裝:74 系列:- 類型:扇出緩沖器(分配) 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL,LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN(5x5) 包裝:管件
ICS8344BYT 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER