Pericom Semiconductor 10. CLOCK SCHEME The PI7C9X7954 requires" />
參數(shù)資料
型號: PI7C9X7954AFDE
廠商: Pericom
文件頁數(shù): 65/70頁
文件大小: 0K
描述: IC PCIE-TO-UART BRIDGE 128LQFP
標準包裝: 90
應用: PCIe至UART橋接
接口: 高級配置電源接口(ACPI)
電源電壓: 1.8V, 3.3V
封裝/外殼: 128-LQFP 裸露焊盤
供應商設備封裝: 128-LQFP(14x14)
包裝: 托盤
安裝類型: 表面貼裝
PI7C9X7954
PCI Express Quad UART
Datasheet
Page 68 of 70
May 2013 – Revision 1.4
Pericom Semiconductor
10. CLOCK SCHEME
The PI7C9X7954 requires 100MHz differential clock inputs through CLKINP and CLKINN Pins as shown
in the following table.
Table 10-1 Input Clock Requirements
Symbol
Description
Min
Typical
Max.
Unit
ClkInFREQ
Reference input clock range
-
100
-
MHz
ClkInDC
Duty cycle of input clock
40
50
60
%
TR, TF
Rise/Fall time of input clock
-
0.2
RCUIa
VSW
Differential input voltage swing
(zero-to-peak)
0.4
0.8
V
a. RCUI (Reference Clock Unit Interval) refers to the reference clock period
13-0093
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