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| 型号： | ICS8344AY-01LFT |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 3/17页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BUFFER MUX 2:24 48-LQFP |
| 标准包装： | 1,000 |
| 系列： | HiPerClockS™ |
| 类型： | 扇出缓冲器（分配），多路复用器 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:24 |
| 差分 - 输入:输出： | 是/无 |
| 输入： | HCSL，LVDS，LVHSTL，LVPECL，SSTL |
| 输出： | LVCMOS，LVTTL |
| 频率 - 最大： | 250MHz |
| 电源电压： | 2.375 V ~ 3.465 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-TQFP（7x7） |
| 包装： | 带卷 (TR) |
| 其它名称： | 8344AY-01LFT |
IDT / ICS LVCMOS/LVTTL FANOUT BUFFER
11
ICS8344AY-01 REV. C SEPTEMBER 9, 2008
ICS8344-01
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 INPUT:
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 OUTPUT:
All unused LVCMOS output can be left floating. There should be
no trace attached.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS8344AY-01T | 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER |
| ICS8344AYI-01 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS8344AYI-01LF | 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8344AYI-01LFT | 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8344AYI-01T | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
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