參數(shù)資料
型號: UPD720114GA-9EU-A
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT
中文描述: 馬鞍山集成電路
文件頁數(shù): 16/32頁
文件大?。?/td> 300K
代理商: UPD720114GA-9EU-A
Data Sheet S17462EJ2V0DS
16
μ
PD720114
System Clock Ratings
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Clock frequency
f
CLK
X’tal
500
ppm
30
+
500
ppm
MHz
Clock Duty cycle
t
DUTY
40
50
60
%
Remarks 1.
Recommended accuracy of clock frequency is
±
100 ppm.
2.
Required accuracy of X’tal is including initial frequency accuracy, the spread of X’tal capacitor
loading, supply voltage, temperature, and aging, etc.
AC Characteristics (V
DD
= 3.14 to 3.46 V, T
A
= 0 to
+
70
°
C)
System Reset Timing
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
Reset active time (Figure 2-6)
t
rst
5
μ
s
Figure 2-6. System Reset Timing
SYSRSTB
t
rst
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