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參數(shù)資料
| 型號(hào)： | UPD754244GS-XXX-GJG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20 |
| 文件頁(yè)數(shù)： | 47/90頁(yè) |
| 文件大小： | 602K |
| 代理商： | UPD754244GS-XXX-GJG |
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PD754144, 754244
49
Data Sheet U10040EJ2V1DS
PD754144
System Clock Oscillator Characteristics (TA = –40 to +85
°C, VDD = 1.8 to 6.0 V)
Resonator
Recommended Constant
Parameter
Testing Conditions
MIN.
TYP.
MAX.
Unit
RC
Oscillation
0.4
2.0
MHz
oscillator
frequency (fcc) Note
Note Only the oscillator characteristics are shown. For the instruction execution time and oscillation frequency
characteristics, refer to AC Characteristics.
Caution When using the oscillation circuit of the system clock, wire the portion enclosed in dotted lines
in the figures as follows to avoid adverse influences on the wiring capacitance:
Keep the wire length as short as possible.
Do not cross other signal lines.
Do not route the wiring in the vicinity of lines though which a high fluctuating current flows.
Always keep the ground point of the capacitor of the oscillation circuit as the same potential
as VSS.
Do not connect the power source pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
CL1
CL2
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