SM8958B Datasheet, PDF (49/49 Pages) SyncMOS Technologies,Inc – 256 bytes SRAM as standard 8052

Operating Conditions
SM8958B
8-Bit Micro-controller
32KB Flash
& 1KB RAM embedded
Symbol
TA
VDD
Description
Operating temperature
Supply voltage
Min.
-40
2.4
Typ.
25
Max.
85
5.5
Unit.
℃
V
Remarks
Ambient temperature under bias
DC Characteristics
TA = -40℃ to 85℃, VCC = 5.0V
Symbol
Parameter
VIL1 Input Low Voltage
VIL2 Input Low Voltage
VIH1 Input High Voltage
VIH2 Input High Voltage
VOL1 Output Low Voltage
VOL2 Output Low Voltage
VOH1 Output High Voltage
Valid
port 0,1,2,3,#EA
RES, XTAL1
port 0,1,2,3,#EA
RES, XTAL1
port 0, ALE, #PSEN
port 1,2,3,
port 0
VOH2
IIL
ITL
ILI
R RES
C IO
I CC
Output High Voltage
Logical 0 Input Current
Logical Transition
Current
Input Leakage Current
Reset Pull-down
Resistance
Pin Capacitance
Power Supply Current
port
1,2,3,ALE,#PSEN
port 1,2,3
port 1,2,3
port 0, #EA
RES
Vdd
Min.
Max. Unit
Test Conditions
-0.5
0.8 V
0
0.8 V
2.0 Vcc+0.5 V
70%Vcc Vcc+0.5 V
0.45 V IOL=3.2mA
0.45 V IOL=1.6mA
2.4
V IOH=-800uA
90%Vcc
V IOH=-80uA
2.4
V IOH=-60uA
90%Vcc
V IOH=-10uA
-75 uA Vin=0.45V
-650 uA Vin=2.0V
±10 uA 0.45V<Vin<Vcc
50
300 Kohm
10 pF Freq=1MHz, Ta=25 ℃
20 mA Active mode, 16MHz
6.5 mA Idle mode, 16MHz
15 uA Power down mode
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M085
Ver D SM8958B 08/07/2015
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