参数资料
型号: SI5310-C-GM
厂商: Silicon Laboratories Inc
文件页数: 11/26页
文件大小: 0K
描述: IC CLOCK MULTIPLIER/REGEN 20-QFN
标准包装: 75
系列: DSPLL®
类型: 时钟乘法器
PLL: 带旁路
输入: 时钟
输出: CML
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 是/是
频率 - 最大: 668MHz
除法器/乘法器: 是/是
电源电压: 2.375 V ~ 2.625 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-MLP(4x4)
包装: 管件
产品目录页面: 628 (CN2011-ZH PDF)
其它名称: 336-1744-5
Si5310
Rev. 1.3
19
5. Pin Descriptions: Si5310
Figure 11. Si5310 Pin Configuration
Table 11. Si5310 Pin Descriptions
Pin #
Pin Name
I/O
Signal Level
Description
1
REXT
External Bias Resistor.
This resistor is used by onboard circuitry to establish
bias currents within the device. This pin must be
connected to GND through a 10 k
Ω (1%) resistor.
2, 7, 11, 14
VDD
2.5 V
Supply Voltage.
Nominally 2.5 V.
3, 8, 18, and
GND Pad
GND
Supply Ground.
Nominally 0.0 V. The GND pad found on the bottom
of the 20-pin micro leaded package (see Figure 12)
must be connected directly to supply ground.
4, 5
REFCLK+, REF-
CLK–
ISee Table 2
Differential Reference Clock.
The reference clock sets the initial operating fre-
quency used by the onboard PLL for clock regenera-
tion and multiplication. Additionally, the reference
clock is used as a reference in generation of the LOL
output and to bound the frequency drift of MULTOUT
when CLKIN is not present.
6LOL
O
LVTTL
Loss of Lock.
This output is driven high when a divided version of
the clock multiplier output deviates from the refer-
ence clock frequency by the amount specified in
9, 10
CLKIN+, CLKIN–
I
Differential Clock Input.
Differential input clock from which MULTOUT is
derived.
1
2
3
4
5
6
7
8
9
13
14
15
16
REXT
VDD
GND
REFCLK+
REFCLK–
PWRDN
VDD
CLKOUT+
CLKOUT–
VDD
12
11
10
GND
17
18
19
20
NC
MUL
T
SE
L
GN
D
MUL
T
OUT
+
MUL
T
OUT
LOL
VD
D
GND
CLK
IN+
CL
KI
N
Pad
Top View
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