參數(shù)資料
型號: MSM83C154S-XXXGS-2K
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP44
封裝: 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 30/41頁
文件大?。?/td> 274K
代理商: MSM83C154S-XXXGS-2K
35/40
MSM80C154S/83C154S
Semiconductor
(7) AC Characteristics Measuring Conditions
1.Input/output signal
VOH
VOL
VOH
VOL
VIH
VIL
VIH
VIL
TEST POINT
*
The input signals in AC test mode are either VOH (logic "1") or VOL (logic "0") input signals
where logic "1" corresponds to a CPU output signal waveform measuring point in excess of
VIH, and logic "0" to a point below VIL.
2.Floating
VOH
VOL
VOH
VOL
VIH
VIL
VIH
VIL
Floating
*
The port 0 floating interval is measured from the time the port 0 pin voltage drops below VIH
after sinking to GND at 2.4 mA when switching to floating status from a "1" output, and from
the time the port 0 pin voltage exceeds VIL after connecting to a 400 mA source when switching
to floating status from a "0" output.
(8) XTAL1 external clock input waveform conditions
Parameter
Symbol
Min.
Max.
Unit
External Clock Freq.
1/tCLCL
0
24
MHz
Clock Pulse width 1
tCHCx
15
Clock Pulse width 2
tCLCX
15
Rise Time
tCLCH
—5
Fall Time
tCHCL
—5
ns
External Clock Drive Waveform
0.7 VCC
0.2 VCC - 0.1
tCHCL
tCLCH
tCLCX
tCLCL
tCHCX
EXTERNAL
OSCILLATOR
SIGNAL
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