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参数资料
| 型号： | PT7C5027B1-2WF |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | XO, clock |
| 英文描述： | OTHER CLOCK GENERATOR, UUC6 |
| 封装： | WAFER-6 |
| 文件页数： | 4/8页 |
| 文件大小： | 388K |
| 代理商： | PT7C5027B1-2WF |
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PT0276(08/07)
4
Ver:0
Data Sheet
PT7C5027 series
Crystal Oscillator
Function Description
Standby Function
When INHN goes LOW, the oscillator stops and the output on Q becomes high impedance.
INHN
Q
Oscillator
HIGH (or open)
fo output frequency
Normal operation
Low
High impedance
Stopped
Power-saving Pull-up Resistor
The INHN pin pull-up resistance RUP1 or RUP2 changes in response to the input level(HIGH or LOW). When INHN is tied
LOW level, the pull-up resistance is large(RUP1),reducing the current consumed by the resistance. When INHN is left open
circuit, the pull-up resistance is small(RUP2),which increases the input susceptibility to external noise. However, the pull-up
resistance ties the INHN pin HIGH level to prevent external noise from unexpectedly stopping the output.
Oscillation Detector Function
The PT7C5027 series also feature an oscillation detector circuit. This circuit functions make the outputs disable until the oscillator
circuit starts and oscillation becomes stable. This alleviates the danger of abnormal oscillator output at oscillator start-up when
power is applied or when INHN is switched.
Maximum Ratings
Storage Temperature ................................................................................-65oCto+150oC
Supply Voltage to Ground Potential (VDD to GND) ...............-0.5Vto+4.0V
DC Input (All Other Inputs except VDD & GND) ... -0.5V to VDD +0.5V
DC Output............................................................... -0.5V to VDD +0.5V
DC Output Current (all outputs) ................................................... 20mA
Recommended Operating Conditions
(GND=0V, unless otherwise noted.)
Sym
Parameter
Conditions
Min
Typ
Max
Unit
VDD
Supply voltage
CL ≤ 15pF
1.50
-
5.0
V
VIN
Input voltage
-
GND
-
VDD
V
TA
Operating temperature
-
-40
-
+85
°C
f0
Oscillation frequency*1
-
20
-
60
MHz
fOUT
Output frequency
CL ≤ 15pF
0.9
-
60
MHz
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect reliability.
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相关代理商/技术参数 |
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| PT7FFSDGY | 制造商:Hubbell Wiring Device-Kellems 功能描述:FLUSH FRPT, 1 SERV, FURN FEED, GY |
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| PT7FSDBLA | 制造商:Hubbell Wiring Device-Kellems 功能描述:FLUSH FRPT, W/20A DUP/TELE/DATA,BK |
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