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參數(shù)資料
型號(hào): SI5364-H-GL
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 17/38頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK SONET/SDH PORT 99LFBGA
標(biāo)準(zhǔn)包裝: 168
系列: DSPLL®
類型: 時(shí)鐘發(fā)生器,扇出緩沖器(分配)
PLL:
輸入: 時(shí)鐘
輸出: CML
電路數(shù): 1
比率 - 輸入:輸出: 3:4
差分 - 輸入:輸出: 是/是
頻率 - 最大: 675MHz
除法器/乘法器: 無/是
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -20°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 99-LBGA
供應(yīng)商設(shè)備封裝: 99-BGA(11x11)
包裝: 托盤
Si5364
24
Rev. 2.5
Table 10. Pin Descriptions
Pin #
Pin Name
I/O
Signal Level
Description
C2
C1
CLKIN_A+
CLKIN_A–
I*
AC Coupled
200–500 mVPPD
(See Table 2)
System Clock Input A.
One of three differential clock inputs selected by the
DSPLL when generating the SONET/SDH compliant
clock outputs. The frequencies of the Si5364 clock
outputs are each a 1, 8, or 32x multiple of the fre-
quency of the selected clock input. The multiplication
ratio is selected using Frequency Select (FRQSEL)
control pins associated with each clock output. An
additional scaling factor of either 238/255 or 255/238
is selected for FEC operation using the FEC[1:0]
control pins.
The clock input frequency is nominally 19.44 MHz.
The clock input frequency can be varied over the
range indicated in Table 3 on page 8 to produce
other output frequencies.
CLKIN_A is the highest priority clock input during
automatic switching mode operation.
G1
G2
CLKIN_B+
CLKIN_B–
I*
AC Coupled
200–500 mVPPD
(See Table 2)
System Clock Input B.
One of three differential clock inputs selected by the
DSPLL when generating the SONET/SDH compliant
clock outputs. The frequencies of the Si5364 clock
outputs are each a 1, 8, or 32x multiple of the fre-
quency of the selected clock input. The multiplication
ratio is selected using Frequency Select (FRQSEL)
control pins associated with each clock output. An
additional scaling factor of either 238/255 or 255/238
can be selected for FEC operation using the
FEC[1:0] control pins.
The clock input frequency is nominally 19.44 MHz.
and can be varied over the range indicated in Table 3
on page 8 to produce other output frequencies.
CLKIN_B is the second highest priority clock input
during automatic switching mode operation.
*Note:
The LVTTL inputs on the Si5364 device have an internal pulldown mechanism that causes the input to default to a logic
low state if the input is not driven from an external source.
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