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參數(shù)資料
| 型號： | SN74LVC1GX04YZPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 門電路 |
| 英文描述： | LVC/LCX/Z SERIES, 1-INPUT INV/NINV GATE, BGA6 |
| 封裝： | LEAD FREE, DSBGA-6 |
| 文件頁數(shù)： | 16/17頁 |
| 文件大?。?/td> | 503K |
| 代理商： | SN74LVC1GX04YZPR |
www.ti.com
APPLICATION INFORMATION
NC
Rs 1 k
CL = 16 pF
C2 32 pF
GND
X1
CLOAD
RLOAD
RF 2.2 M
C1 32 pF
1
2
3
4
5
6
Y
b) Oscillator Circuit in DBV or DCK Pinout
VCC
X2
Practical Design Tips
CRYSTAL OSCILLATOR DRIVER
SCES581B – JULY 2004 – REVISED DECEMBER 2006
Figure 3. Oscillator Circuit (continued)
The open-loop gain of the unbuffered inverter decreases as power-supply voltage decreases. This decreases
the closed-loop gain of the oscillator circuit. The value of Rs can be decreased to increase the closed-loop
gain, while maintaining the power dissipation of the crystal within the maximum limit.
R
s and C2 form a low-pass filter and reduce spurious oscillations. Component values can be adjusted, based
on the desired cutoff frequency.
C
2 can be increased over C1 to increase the phase shift and help in start-up of the oscillator. Increasing C2
may affect the duty cycle of the output voltage.
At high frequency, phase shift due to R
s becomes significant. In this case, Rs can be replaced by a capacitor
to reduce the phase shift.
8
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| SN74LVC1T45DBVR | 功能描述:轉換 - 電壓電平 SingleB Dual-Supply Bus Trans RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVC1T45DBVRE4 | 功能描述:轉換 - 電壓電平 SNGL Bit Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVC1T45DBVRG4 | 功能描述:轉換 - 電壓電平 SNGL Bit Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVC1T45DBVT | 功能描述:轉換 - 電壓電平 SNGL Bit Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVC1T45DBVT | 制造商:Texas Instruments 功能描述:Transceiver Logic IC |
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