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SM8951AL25 Scheda tecnica(PDF) 7 Page - SyncMOS Technologies,Inc

Il numero della parte SM8951AL25
Spiegazioni elettronici  8-Bits Micro-controller With 4/8KB flash embedded
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Produttore elettronici  SYNCMOS [SyncMOS Technologies,Inc]
Homepage  http://www.syncmos.com.tw
Logo SYNCMOS - SyncMOS Technologies,Inc

SM8951AL25 Scheda tecnica(HTML) 7 Page - SyncMOS Technologies,Inc

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SyncMOS Technologies International, Inc.
SM8951A/8952A
8-Bits Micro-controller
With 4/8KB flash embedded
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1
SM8951A/8952A 08/2006
7
Operating Conditions
Symbol
Description
Min.
Typ.
Max.
Unit.
Remarks
TA
Operating temperature
-40
25
85
Ambient temperature under bias
VCC5
Supply voltage
4.5
5.0
5.5
V
For C Version
VCC3
Supply voltage
3
3.3
3.6
V
For L Version
Fosc 25
Oscillator Frequency
3.0
25
25
MHz
For 5V, 3.3V application
Fosc 40
Oscillator Frequency
3.0
40
40
MHz
For 5V application
DC Characteristics
(TA = -40 degree C to 85 degree C, Vcc = 3.0V to 5.5V)
Symbol
Parameter
Valid
Min.
Max.
Unit
Test Conditions
VIL1
Input Low Voltage
port 0,1,2,3,#EA
-0.5
0.8
V
VIL2
Input Low Voltage
RES, XTAL1
00.8
V
VIH1
Input High Voltage
port 0,1,2,3,#EA
2.0
Vcc+0.5
V
VIH2
Input High Voltage
RES, XTAL1
70%Vcc
Vcc+0.5
V
VOL1
Output Low Voltage
port 0, ALE, #PSEN
0.45
V
IOL=8mA (5V) / IOL=6mA
(3.3V)
VOL2
Output Low Voltage
port 1,2,3
0.45
V
IOL=6.5mA (5V) / IOL=5mA
(3.3V)
2.4
V
IOH=-800uA (only for VCC =5V)
VOH1
Output High Voltage
port 0
90%Vcc
V
IOH=-80uA
2.4
V
IOH=-60uA (only for VCC =5 V)
VOH2
Output High Voltage
port 1,2,3,ALE,#PSEN
90%Vcc
V
IOH=-10uA
IIL
Logical 0 Input Current
port 1,2,3,4
-75
uA
Vin=0.45V
ITL
Logical Transition Current
port 1,2,3,4
-650
uA
Vin=2.0V
ILI
Input Leakage Current
port 0, #EA
±
10
uA
0.45V<Vin<Vcc
R RES
Reset Pull-down
Resistance
RES
50
300
Kohm
C IO
Pin Capacitance
10
pF
Freq=1MHz, Ta=25 ℃
20
mA
Active mode, 16MHz
6.5
mA
Idle mode, 16MHz
I CC
Power Supply Current
Vdd
50
uA
Power down mode
Note1:Under steady state (non-transient) conditions, IOL must be externally
Limited as follows : Maximum IOL per port pin : 10mA
Maximum IOL per 8-bit port : port 0 :26mA
port 1,2,3
:15mA
Maximum total IOL for all output pins : 71mA
If IOL exceeds the condition, VOL may exceed the related specification. Pins are not guaranteed to sink current
greater than the listed test conditions.
Note2 : Minimum VCC for Power-down is 2V.
AC Characteristics
(16/25/40MHz, operating conditions; CL for Port 0, ALE and PSEN Outputs=100pF; CL for all Other Output=80pF)


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