参数资料
型号: SI5315B-C-GMR
厂商: Silicon Laboratories Inc
文件页数: 54/54页
文件大小: 0K
描述: IC CLOCK MULT 8KHZ-125MHZ 36QFN
应用说明: SI5315/17 Crystal Selection AppNote
标准包装: 250
系列: DSPLL®
类型: 时钟/频率倍增器,抖动衰减器,多路复用器
PLL:
主要目的: 以太网,SONET/SDH/PDH,电信
输入: CML,CMOS,LVDS,LVPECL
输出: CML,CMOS,LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 125MHz
电源电压: 1.71 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-VFQFN 裸露焊盘
供应商设备封装: 36-QFN(6x6)
包装: 带卷 (TR)
Si5315
Rev. 1.0
9
LVCMOS Output Pins
Rise/Fall Times
tRF
CLOAD = 20 pf
—25
ns
LOSn Trigger Window
LOSTRIG
From last CKINn
to
internal detection of LOSn
——
750
s
Time to Clear LOL after LOS
Cleared
tCLRLOL
LOS to LOL
Assume Fold=Fnew,
Stable XA-XB reference
—10
ms
PLL Performance
Output Clock Skew
tSKEW
of CKOUTn to CKOUTn
100
ps
Phase Change Due to
Temperature Variation
tTEMP
Maximum phase change from
–40 to +85 °C
300
500
ps
Lock Time
tLOCKHW RST with valid CKIN to LOL;
BW = 100 Hz
1200
ms
Closed Loop Jitter Peaking
JPK
—0.05
0.1
dB
Jitter Tolerance
JTOL
ns pk-
pk
Minimum Reset Pulse Width
tRSTMIN
1—
s
Output Clock Initial Phase Step
tP_STEP
During clock switch CKIN > 19.44
MHz
100
200
ps
Holdover Frequency Historical
Averaging Time
tHISTAVG
—6.7
sec
Holdover Frequency Historical
Delay Time
tHISTDEL
—26.2
ms
Spurious Noise
SPSPUR
Max spur @ n x f3
(n > 1, n x f3 < 100 MHz)
—–75
dBc
Table 3. AC Characteristics (Continued)
(VDD = 1.8 ±5%, 2.5 ±10%, or 3.3 V ±10%, TA = –40 to 85 C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
Notes:
1. Assumes N3 does not equal 1. IF N3 = 1, CKNDC = 50 s.
2. Refers to Si5315A speed grade.
3. Refers to Si5315B speed grade.
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