參數(shù)資料
型號(hào): SI5368B-C-GQ
廠(chǎng)商: Silicon Laboratories Inc
文件頁(yè)數(shù): 79/92頁(yè)
文件大?。?/td> 0K
描述: IC CLK MULTIPLIER ATTEN 100TQFP
標(biāo)準(zhǔn)包裝: 90
系列: DSPLL®
類(lèi)型: 時(shí)鐘放大器,振動(dòng)衰減器
PLL:
輸入: 時(shí)鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 4:5
差分 - 輸入:輸出: 是/是
頻率 - 最大: 808MHz
除法器/乘法器: 無(wú)/是
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: 100-TQFP
供應(yīng)商設(shè)備封裝: 100-TQFP(14x14)
包裝: 托盤(pán)
Si5368
80
Rev. 1.0
Table 11. Si5368 Pin Descriptions
Pin #
Pin Name
I/O
Signal Level
Description
1, 2, 4, 20,
22, 23, 24,
25, 37, 47,
48, 50, 51,
52, 53, 56,
66, 67, 72,
73, 74, 75,
80, 85, 95
NC
No Connect.
These pins must be left unconnected for normal operation.
3
RST
ILVCMOS
External Reset.
Active low input that performs external hardware reset of
device. Resets all internal logic to a known state and forces the
device registers to their default value. Clock outputs are dis-
abled during reset. The part must be programmed after a reset
or power-on to get a clock output. See Family Reference Man-
ual for details.
This pin has a weak pull-up.
5, 6, 15, 27,
62, 63, 76,
79, 81, 84,
86, 89, 91,
94, 96, 99,
100
VDD
Vdd
Supply
VDD.
The device operates from a 1.8, 2.5, or 3.3 V supply. Bypass
capacitors should be associated with the following VDD pins:
Pins
Bypass Cap
5, 6
0.1 F
15
0.1 F
27
0.1 F
62, 63
0.1 F
76, 79
1.0 F
81, 84
0.1 F
86, 89
0.1 F
91, 94
0.1 F
96, 99, 100
0.1 F
7, 8, 14, 18,
19, 26, 28,
31, 33, 36,
38, 41, 43,
46, 64, 65
GND
Supply
Ground.
This pin must be connected to system ground. Minimize the
ground path impedance for optimal performance.
9C1B
O
LVCMOS
CKIN1 Invalid Indicator.
This pin performs the CK1_BAD function if CK1_BAD_PIN =1
and is tristated if CK1_BAD_PIN = 0. Active polarity is con-
trolled by CK_BAD_POL.
0 = No alarm on CKIN1.
1 = Alarm on CKIN1.
10
C2B
O
LVCMOS
CKIN2 Invalid Indicator.
This pin performs the CK2_BAD function if CK2_BAD_PIN =1
and is tristated if CK2_BAD_PIN = 0. Active polarity is con-
trolled by CK_BAD_POL.
0 = No alarm on CKIN2.
1 = Alarm on CKIN2.
Note: Internal register names are indicated by underlined italics, e.g. INT_PIN. See Si5368 Register Map.
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