參數(shù)資料
型號: HMS81C2020AQ
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver
中文描述: CMOS單芯片8位微控制器與A / D轉(zhuǎn)換器
文件頁數(shù): 22/107頁
文件大?。?/td> 1482K
代理商: HMS81C2020AQ
HMS81C2012A/2020A
18
SEP. 2004 Ver 2.00
7.6 AC Characteristics
(T
A
=-40~ 85
°
C, V
DD
=5V
±
10%
,
V
SS
=0V)
Figure 7-1 Timing Chart
Parameter
Symbol
Pins
Specifications
Unit
Min.
Typ.
Max.
Operating Frequency
f
CP
XIN
1
-
8
MHz
External Clock Pulse Width
t
CPW
XIN
80
-
-
nS
External Clock Transition Time
t
RCP,
t
FCP
XIN
-
-
20
nS
Oscillation Stabilizing Time
t
ST
XIN, XOUT
-
-
20
mS
External Input Pulse Width
t
EPW
INT0, INT1, EC0
2
-
-
t
SYS
External Input Pulse Transi-
tion Time
t
REP,
t
FEP
INT0, INT1, EC0
-
-
20
nS
RESET Input Width
t
RST
RESET
8
-
-
t
SYS
t
RCP
t
FCP
XI
INT0, INT1
EC0
0.5V
V
DD
-0.5V
0.2V
DD
RESETB
t
REP
t
FEP
0.2V
DD
0.8V
DD
t
RST
t
EPW
t
EPW
1/f
CP
t
CPW
t
CPW
t
SYS
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