SyncMOS Technologies Inc.
May 2001
SM8051/80952
Operating Conditions
Symbol
TA
TS
VCC5
VCC3
Fosc 25
Fosc 40
Description
Operating temperature
Storage temperature
Supply voltage
Supply voltage
Oscillator Frequency
Oscillator Frequency
Min.
0
-55
4.5
3
3.0
3.0
Typ.
25
25
5.0
3.3
25
40
Max.
70
155
5.5
3.6
25
40
Unit.
o
C
o
C
Remarks
Ambient temperature under bias
V
V
For C Version
For L Version
MHz For 5V, 3.3V application
MHz For 5V application
DC Characteristics
(12MHz, typical operating conditions, valid for SM8051/8052 series)
Symbol
VIL1
VIL2
VIH1
VIH2
VOL1
VOL2
VOH1
VOH2
IIL
ITL
ILI
R RES
C IO
I CC
Parameter
Input Low Voltage
Input Low Voltage
Input High Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage
Output High Voltage
Output High Voltage
Logical 0 Input Current
Logical Transition Current
Input Leakage Current
Reset Pulldown Resistance
Pin Capacitance
Power Supply Current
Valid
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
port 0
port 1,2,3,4,ALE,#PSEN
port 1,2,3,4
port 1,2,3,4
port 0, #EA
RES
Vdd
Min.
-0.5
0
2.0
70%Vcc
Max.
0.8
0.8
Vcc+0.5
Vcc+0.5
0.45
0.45
Unit
Test Conditions
2.4
90%Vcc
2.4
90%Vcc
50
V
V
V
V
V
V
V
V
V
V
uA
-75
uA
-650
+ 10
uA
300 Kohm
pF
10
mA
7
mA
4.5
10
uA
IOL=8mA (5V) / IOL=6mA (3.3V)
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
0.45V<Vin<Vcc
Freq=1MHz, Ta=25 C
Active mode, 16MHz
Idle mode, 16MHz
Power down mode
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 ]
