參數(shù)資料
型號: DS1089LU-23C+
廠商: Maxim Integrated Products
文件頁數(shù): 10/12頁
文件大?。?/td> 0K
描述: IC ECONOSCILLATOR SS 8-USOP
其它有關文件: Automotive Product Guide
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
系列: EconOscillator™
類型: 時鐘發(fā)生器
PLL:
輸入: 時鐘
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無/無
頻率 - 最大: 33.3MHz
除法器/乘法器: 是/無
電源電壓: 2.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-uMAX
包裝: 管件
DS1089L
3.3V Center Spread-Spectrum EconOscillator
_____________________________________________________________________
7
Block Diagram
FACTORY-
PROGRAMMED
MASTER
OSCILLATOR
33.3MHz TO
66.6MHz
PRESCALER
DIVIDE BY 1, 2, 4,
8, 16, 32, 64,
128, OR 256
TRIANGLE-
WAVE
GENERATOR
I2C SERIAL
INTERFACE
PRESCALER
ADDR
P0
P1
P2
P3
X
LO/
HIZ
J0
J1
A0
A1
A2
WC
X
OE
J2
J3
VCC
SCL
SDA
DITHER RATE
DITHER %
EEPROM
WRITE EE
COMMAND
OUT
I2C
ADDRESS
BITS
PRESCALER SETTING
EEPROM
WRITE
CONTROL
CONTROL REGISTERS
fMOD
fOSC
fMOSC
fOUT
SYNCED
OUTPUT
BUFFER
OUTPUT CONFIGURATION
OUTPUT CONTROL
OE
PDN
GND
SPRD
S/W GATED OUTPUT
H/W GATED OUTPUT
DS1089L
Detailed Description
Master Oscillator
The internal master oscillator is capable of generating a
square wave with a 33.3MHz to 66.6MHz frequency
range. The master oscillator frequency (fMOSC) is factory
programmed, and is specified in the Ordering Information.
Prescaler
The user can program the prescaler divider to produce
an output frequency (fOUT) as low as 130kHz using bits
P0, P1, P2, and P3 in the PRESCALER register. The
output frequency can be calculated using Equation 1.
Any value programmed greater than 28 will be decod-
ed as 28. See Table 1 for prescaler divider settings.
Equation 1
where x = P3, P2, P1, P0
Output Frequency Hz f
f
OSC
MOSC
x
()
=
2
BITS P3, P2,
P1, P0
2
x =fOUT = fOSC
0000
1
fMOSC
0001
2
fMOSC / 2
0010
4
fMOSC / 4
0011
8
fMOSC / 8
0100
16
fMOSC / 16
0101
32
fMOSC / 32
0110
64
fMOSC / 64
0111
128
fMOSC / 128
1000
256
fMOSC / 256
1111
256
fMOSC / 256
Table 1. Prescaler Divider Settings
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DS1089LU-23C+ 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝:
DS1089LU-266 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝:
DS1089LU-266+ 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝:
DS1089LU-450 功能描述:可編程振蕩器 RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝:
DS1089LU-450+ 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: