參數(shù)資料
型號(hào): SI5315-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 4/54頁
文件大?。?/td> 0K
描述: BOARD EVAL SI5315 8KHZ-644.53MHZ
應(yīng)用說明: SI5315/17 Crystal Selection AppNote
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘乘法器
嵌入式:
已用 IC / 零件: SI5315
主要屬性: 2 輸入,2 輸出
次要屬性: CML,CMOS,LVDS,LVPECL
已供物品: 板,CD,文檔
Si5315
12
Rev. 1.0
1.2. Three-Level (3L) Input Pins (With External Resistors)
Figure 4. Three Level Input Pins
Any resistor pack may be used.
The Panasonic EXB-D10C183J is an example.
PCB layout is not critical.
Resistor packs are only needed if the leakage current of the external driver exceeds the listed currents.
If a pin is tied to ground or VDD, no resistors are needed.
If a pin is left open (no connect), no resistors are needed.
Table 6. Three-Level Input Pins (With External Resistors)
Parameter
Symbol
Min
Max
Input Low Current
Iill
–30 A
Input Mid Current
Iimm
–11 A
Input High Current
Iihh
–30 A
Note: The above currents are the amount of leakage that the 3L inputs can tolerate from an external driver.
External Driver
Si5315
Iimm
18 k
VDD
18 k
75 k
VDD
75 k
One of eight resistors from a Panasonic EXB-D10C183J
(or similar) resistor pack
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