参数资料
型号: MAX31D80T-UGQ+T
厂商: Maxim Integrated Products
文件页数: 5/9页
文件大小: 0K
描述: IC CLOCK GEN SPREAD SPECT 10TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
类型: 扇出缓冲器(分配),扩展频谱时钟发生器
PLL:
输入: 时钟,晶体
输出: LVCMOS
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 100MHz
除法器/乘法器: 无/无
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-TDFN-EP(3x3)
包装: 带卷 (TR)
其它名称: 90-31D80+UGQ
Spread-Spectrum Clock Generators
MAX31C80/MAX31D80
________________________________________________________________________________________ _ 5
Block Diagram
Pin Description
Pin Configuration
1
3
4
10
8
7
X2
V CC
GND
X1
V CC
GND
2
9
SMSEL1
+
SMSEL0
EP
5
6
XOUT
CLKOUT
TDFN
TOP VIEW
MAX31C80
MAX31D80
CRYSTAL
OSCILLATOR
PROGRAMMABLE
PLL WITH SPREAD
SPECTRUM
SPREAD-SPECTRUM
MAGNITUDE CONTROL
CLKOUT
(fCLKOUT = 2MHz TO 134MHz)
XOUT
(fXOUT = fIN)
VCC
fIN
GND
VCC
X1
X2
SMSEL0
SMSEL1
8MHz TO 134MHz CLOCK
OR
8MHz TO 34MHz CRYSTAL
MAX31C80
MAX31D80
PIN
NAME
FUNCTION
1
X1
Crystal Drive/Clock Input. A crystal with
the proper loading is connected across
X1 and X2. Instead of a crystal, a clock
can be applied at the X1 input. If no
clock or crystal is present, then no clock
is output at either XOUT or CLKOUT.
2, 9
SMSEL0,
SMSEL1
Spread-Spectrum Magnitude Select.
These are three-state digital inputs
to determine the spread-spectrum
magnitude. Tables 1 and 2 provide
details for configuration of these pins for
down and center dither, respectively.
PIN
NAME
FUNCTION
3, 8
VCC
Supply Voltage
4, 7
GND
Ground
5
CLKOUT
Clock Output. Spread-spectrum-capable
digital output clock from the PLL.
6
XOUT
Crystal Buffered Output. Buffered digital
output of the input crystal or clock.
10
X2
Crystal Drive Output. A crystal with the
proper loading is connected across X1
and X2. If a clock is applied at the X1
input, then X2 should be left open circuit.
EP
Exposed Pad. Connect to GND.
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