參數(shù)資料
型號: SC309AZB
元件分類: 時鐘產(chǎn)生/分配
英文描述: 49.152 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO8
封裝: SOIC-8
文件頁數(shù): 4/5頁
文件大?。?/td> 186K
代理商: SC309AZB
SC309
Low Cost Clock Generator for Advanced SCSI and Audio Applications.
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.7
7/20/98
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 4 of 5
CRYSTAL AND REFERENCE OSCILLATOR PARAMETERS
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Frequency
Fo
-
31.3344
-
MHz
Tolerance
TC
-
+/-100
PPM
Calibration note 1
TS
-
+/- 100
PPM
Stability (Ta -10 to +60C) note 1
TA
-
5
PPM
Aging (first year @ 25C) note 1
Mode
OM
-
Parallel Resonant
Pin Capacitance
CP
-
16
-
pF
Capacitance of XIN and Xout pins to
ground (each) See Note below.
DC Bias Voltage
VBIAS
0.3Vdd
Vdd/2
0.7Vdd
V
Load Capacitance
CL
-
20
-
pF
the crystals rated load. note 1
Effective Series
resistance (ESR)
R1
-
40
Ohms
Shunt Capacitance
CO
-
--
8
pF
crystals internal package
capacitance (total)
NOTE: For maximum accuracy, the total circuit loading capacitance should be equal to CL. This capacitance is the
capacitance across the crystal pins and includes the device pin capacitance, circuit traces and discrete load capacitors.
Budgeting Calculations
Typical trace capacitance, (< half inch) is 4 pF, Load to the crystal is therefore
=
2.0 pF.
Clock generator internal pin capacitance of 16 pF, Load to the crystal is therefore = 8.0 pF.
the total parasitic capacitance would therefore be
= 10.0 pF.
Note 1: It is recommended but not mandatory that a crystal meet these specifications.
相關(guān)PDF資料
PDF描述
SC3306Q/TD LVTTL SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
SC3306Q-1 LVTTL SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
SC3308Q/TD LVTTL SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
SC3318S-1/D SC33 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
SC3327S/TD LVTTL SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC-30BC 制造商:Cooper Bussmann 功能描述:BUSS SC FUSE CLASS G - Bulk 制造商:COOPER BUSSMANN 功能描述:BUSS SC FUSE CLASS G
SC-30BS 制造商:Cooper Bussmann 功能描述:BUSS SC FUSE CLASS G CLASS G 制造商:Cooper Bussmann 功能描述:FUSE 30A 480V FERRULE 2PIN - Bulk 制造商:Cooper Bussmann 功能描述:FUSE 30A 480V T-LAG SC
SC-30-D 制造商:Carlo Gavazzi 功能描述:
SC30F103A 功能描述:NTC Thermistor 10k Bead 制造商:amphenol advanced sensors 系列:SC 包裝:散裝 零件狀態(tài):有效 25°C 時歐姆阻值:10k 電阻容差:±0.05°C B 值容差:- B0/50:- B25/50:- B25/75:- B25/85:- B25/100:- 工作溫度:-40°C ~ 150°C 功率 - 最大值:30mW 長度 - 引線:1.50"(38.00mm) 安裝類型:- 封裝/外殼:磁珠 標準包裝:500
SC30F103AN 功能描述:NTC Thermistor 10k Bead 制造商:amphenol advanced sensors 系列:SC 包裝:散裝 零件狀態(tài):有效 25°C 時歐姆阻值:10k 電阻容差:±0.05°C B 值容差:- B0/50:- B25/50:- B25/75:- B25/85:- B25/100:- 工作溫度:-40°C ~ 150°C 功率 - 最大值:30mW 長度 - 引線:1.50"(38.00mm) 安裝類型:- 封裝/外殼:磁珠 標準包裝:500