參數(shù)資料
型號(hào): SI5315B-C-GMR
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 4/54頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK MULT 8KHZ-125MHZ 36QFN
應(yīng)用說(shuō)明: SI5315/17 Crystal Selection AppNote
標(biāo)準(zhǔn)包裝: 250
系列: DSPLL®
類(lèi)型: 時(shí)鐘/頻率倍增器,抖動(dòng)衰減器,多路復(fù)用器
PLL: 無(wú)
主要目的: 以太網(wǎng),SONET/SDH/PDH,電信
輸入: CML,CMOS,LVDS,LVPECL
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 125MHz
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 36-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 帶卷 (TR)
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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