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参数资料
| 型号： | PT7C5009AK1-2DEE |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | XO, clock |
| 英文描述： | 40 MHz, OTHER CLOCK GENERATOR, UUC |
| 封装： | LEAD FREE, DIE |
| 文件页数： | 11/17页 |
| 文件大小： | 430K |
| 代理商： | PT7C5009AK1-2DEE |
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PT0194(05/06)
3
Ver:5
Data Sheet
PT7C5009 series
Crystal Oscillator Module ICs
Function Description
Series
INH
Q
Oscillator
HIGH (or open)
Any fO , fO /2, fO /4, fO /8, fO /16 or fO /32 output frequency
AH, AK, AN, CN
Low
High impedance
HIGH (or open)
Any fO , fO /2, fO /4, fO /8, fO /16 or fO /32 output frequency
Normal operation
AL
Low
High impedance
Stopped
AH, AK, AN, CN series
When INH goes LOW, the output on Q becomes high impedance, but internally the oscillator does not stop.
AL series
When INH goes LOW, the oscillator stops and the oscillator output on Q becomes high impedance.
Power-save Pull-up Resistance (AL series only)
The INH pull-up resistance changes in response to the input level (HIGH or LOW). When INH goes LOW (standby state), the
pull-up resistance becomes large to reduce the current consumption during standby.
Pin Configuration
1
2
3
XT
GND
NC
PT7C5009xxxW
4
5
6
7
8
VDD
NC
Q
INH
XT
SOIC-8 package
Pin Description
Pin
Sym.
Type
Description
1
INH
I
Output state control input. High impedance when LOW. In the case of the PT7C5009ALxS,
the oscillator stops and power-saving pull-up resistor built in.
2
XT
I
Amplifier input.
3
XT
O
Amplifier output.
Crystal oscillator connected between XT and XT
4
GND
P
Ground.
5
Q
O
Output. Output frequency (fo, fo /2, fo /4, fo /8, fo /16, fo /32) determined by internal
connection, fo is oscillator frequency.
6,7
NC
No connection.
8
VDD
P
Supply voltage.
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