SyncMOS Technologies Inc.
May 2001
SM8051/80952
Operating Conditions
Symbol
TA
Description
Min.
0
Typ. Max. Unit. Remarks
oC
Operating temperature
25
70
Ambient temperature under bias
oC
V
TS
Storage temperature
-55
25
155
VCC5
VCC3
Supply voltage
Supply voltage
4.5
3
5.0
3.3
25
5.5
3.6
25
For C Version
For L Version
V
Fosc 25 Oscillator Frequency
Fosc 40 Oscillator Frequency
3.0
3.0
MHz For 5V, 3.3V application
MHz For 5V application
40
40
DC Characteristics
(12MHz, typical operating conditions, valid for SM8051/8052 series)
Symbol
Parameter
Valid
Max.
0.8
0.8
Test Conditions
Min.
Unit
V
V
V
V
V
VIL1
Input Low Voltage
Input Low Voltage
Input High Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage
Output High Voltage
port 0,1,2,3,4,#EA
RES, XTAL1
port 0,1,2,3,4,#EA
RES, XTAL1
port 0, ALE, #PSEN
port 1,2,3,4
-0.5
VIL2
0
VIH1
2.0
70%Vcc
Vcc+0.5
VIH2
Vcc+0.5
VOL1
VOL2
VOH1
0.45
IOL=8mA (5V) / IOL=6mA (3.3V)
0.45
IOL=6.5mA (5V) / IOL=6mA (3.3V)
IOH=-800uA (only for VCC=5V)
IOH=-80uA
IOH=-60uA (only for VCC=5V)
IOH=-10uA
Vin=0.45V
Vin=2.0V
V
V
V
port 0
2.4
90%Vcc
2.4
VOH2
Output High Voltage
port 1,2,3,4,ALE,#PSEN
V
V
90%Vcc
IIL
Logical 0 Input Current
Logical Transition Current
Input Leakage Current
Reset Pulldown Resistance RES
Pin Capacitance
Power Supply Current
port 1,2,3,4
port 1,2,3,4
port 0, #EA
uA
-75
ITL
-650
uA
uA
ILI
+
0.45V<Vin<Vcc
10
R RES
C IO
I CC
50
300 Kohm
pF
10
Freq=1MHz, Ta=25 C
Active mode, 16MHz
Idle mode, 16MHz
Vdd
mA
mA
7
4.5
10
Power down mode
uA
Specifications subject to change without notice,contact your sales representatives for the most recent information.
7/16
Ver 1.1
SM8051/8052 07/2005
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
