參數(shù)資料
型號(hào)： LC72131KM
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類(lèi)： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
封裝： 0.300 INCH, MFP-20
文件頁(yè)數(shù)： 20/22頁(yè)
文件大?。?/td> 200K
代理商： LC72131KM
LC72131K, 72131KM
No.A0788-7/22
Pin Functions
Pin No.
Symbol
LC72131K
LC72131KM
Type
Functions
Circuit configuration
XIN
XOUT
1
22
1
20
X'tal OSC
Crystal resonator connection
(4.5MHz/7.2MHz)
FMIN
16
14
Local
oscillator
signal input
FMIN is selected when the serial data input DVS bit is set to 1.
The input frequency range is from 10 to 160MHz.
The input signal passes through the internal divide-by-two
prescaler and is input to the swallow counter.
The divisor can be in the range 272 to 65535. However,
since the signal has passed through the divide-by-two
prescaler, the actual divisor is twice the set value.
AMIN
15
13
Local
oscillator
signal input
AMIN is selected when the serial data input DVS bit is set to 0.
When the serial data input SNS bit is set to 1:
The input frequency range is 2 to 40MHz.
The signal is directly input to the swallow counter.
The divisor can be in the range 272 to 65535, and the divisor
used will be the value set.
When the serial data input SNS bit is set to 0:
The input frequency range is 0.5 to 10MHz.
The signal is directly input to a 12-bit programmable divider.
The divisor can be in the range 4 to 4095, and the divisor
used will be the value set.
CE
3
2
Chip enable
Set this pin high when inputting (DI) or outputting (DO) serial
data.
DI
4
3
Input data
Inputs serial data transferred from the controller to the LC72131.
CL
5
4
Clock
Used as the synchronization clock when inputting (DI) or
outputting (DO) serial data.
DO
6
5
Output data
Outputs serial data transferred from the LC72131 to the
controller.
The content of the output data is determined by the serial data
DOC0 to DOC2.
VDD
17
15
Power supply
The LC72131 power supply pin (VDD=4.5 to 5.5V)
The power on reset circuit operates when power is first applied.
-
VSS
21
19
Ground
The LC72131 ground
-
BO1
BO2
BO3
BO4
7
8
9
10
6
7
8
9
Output port
Dedicated output pins
The output states are determined by BO1 to BO4 bits in
the serial data.
Data: 0=open, 1=low
A time base signal (8Hz) can be output from the BO1 pin.
(When the serial data TBC bit is set to 1.)
Care is required when using the BO1 pin, since it has a higher on
impedance that the other output ports (pins BO2 to BO4).
IO1
IO2
11
13
10
12
I/O port
I/O dual-use pins
The direction (input or output) is determined by bits IOC1 and
IOC2 in the serial data.
Data: 0=input port, 1=output port
When specified for use as input ports:
The state of the input pin is transmitted to the controller over
the DO pin.
Input state: low=0 data value
high=1 data value
When specified for use as output ports:
The output states are determined by the IO1 and IO2 bits in
the serial data.
Data: 0=open, 1=low
These pins function as input pins following a power on reset.
Continued on next page.
S
相關(guān)PDF資料
PDF描述
LC72133V PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
LC72133M PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
LC7219M PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24
LC7230-8221 SPECIALTY CONSUMER CIRCUIT, PQFP80
LC7230-8272 SPECIALTY CONSUMER CIRCUIT, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC72131KMA 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer
LC72131KMA-AE 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
LC72131M 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:AM/FM PLL Frequency Synthesizer
LC72131MDTRM 制造商:Panasonic Industrial Company 功能描述:IC
LC72132 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:AM/FM PLL Frequency Synthesizer
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