參數(shù)資料
型號(hào): MAX31D80T-UGQ+
廠商: Maxim Integrated Products
文件頁數(shù): 5/9頁
文件大?。?/td> 0K
描述: IC CLOCK GEN PLL 1:2 10TDFN-EP
標(biāo)準(zhǔn)包裝: 50
類型: *
PLL: 帶旁路
輸入: 時(shí)鐘,晶體
輸出: LVCMOS,晶體
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 無/無
頻率 - 最大: 100MHz
除法器/乘法器: 無/無
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 10-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 10-TDFN-EP(3x3)
包裝: 管件
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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