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EF6805P2 数据表(PDF) 4 Page - STMicroelectronics

部件名 EF6805P2
功能描述  8-BIT MICROCOMPUTER UNIT
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

EF6805P2 数据表(HTML) 4 Page - STMicroelectronics

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SWITCHING CHARACTERISTICS
(VCC = + 5.25Vdc ± 0.5Vdc, VSS = 0Vdc, TA =TL to TH unless otherwise noted)
Symbol
Parameter
Min.
Typ.
Max.
Unit
f os c
Oscillator Frequency
0.4
4.2
MHz
t cyc
Cycle Time (4/f osc)
0.95
10
µs
t WL,tWH
INT, INT2, and TIMER Pulse Width (see interrupt
section)
t cyc + 250
ns
t RWL
RESET Pulse Width
t cyc + 250
ns
f INT
INT Zero-crossing Detection Input Frequency
0.03
1
kHz
External Clock Input Duty Cycle (EXTAL)
40
50
60
%
Crystal Oscillator Start-up Time*
100
ms
PORT ELECTRICAL CHARACTERISTICS
(VCC = + 5.25Vdc ± 0.5Vdc, VSS = 0Vdc, TA =TL to TH unless otherwise noted)
PORT A WITH CMOS DRIVE ENABLED
Symbol
Parameter
Min.
Typ.
Max.
Unit
VOL
Output Low Voltage (ILo ad = 1.6mA)
0.4
V
VOH
Output High Voltage
I Lo ad = – 100
µA
I Load =– 10µA
2.4
VCC – 1.0
V
VIH
Input High Voltage (I Load = – 300µA max.)
2.0
VCC
V
VIL
Input Low Voltage (I Lo ad = – 500
µA max.)
VSS
0.8
V
I IH
High Z State Input Current (Vin = 2.0V to VCC)
– 300
µA
I IL
High Z State Input Current (Vin = 0.4V)
– 500
µA
PORT B
Symbol
Parameter
Min.
Typ.
Max.
Unit
VOL
Output Low Voltage
I Lo ad = 3.2mA
I Lo ad = 10mA (sink)
0.4
1.0
V
VOH
Output High Voltage I Lo ad =– 200
µA
2.4
V
I OH
Darlington Current Drive (source) VO = 1.5V
– 1.0
– 10
mA
VIH
Input High Voltage
2.0
V CC
V
VIL
Input Low Voltage
V SS
0.8
V
I TS I
High Z State Input Current
< 2
10
µA
PORT C AND PORT A WITH CMOS DRIVE DISABLED
Symbol
Parameter
Min.
Typ.
Max.
Unit
VOL
Output Low Voltage I Lo ad = 1.6mA
0.4
V
VOH
Output High Voltage I Lo ad = – 100
µA
2.4
V
VIH
Input High Voltage
2.0
V CC
V
VIL
Input Low Voltage
V SS
0.8
V
I TS I
High Z State Input Current
< 2
10
µs
EF6805U3
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