SM8951A Datasheet, PDF (7/17 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 4/8KB flash embedded

SyncMOS Technologies Inc.
September 2002
SM8951A/8952A
Operating Conditions
Symbol
TA
TS
VCC5
VCC3
Fosc 16
Fosc 25
Fosc 40
Description
Operating temperature
Storage temperature
Supply voltage
Supply voltage
Oscillator Frequency
Oscillator Frequency
Oscillator Frequency
Min. Typ. Max. Unit. Remarks
0
25 70 ^o_C Ambient temperature under bias
-55
25 155 ^o_C
4.5 5.0 5.5
V For C Version
3
3.3 3.6
V For L Version
3.0 16 16 MHz For 5V, 3.3V application
3.0 25 25 MHz For 5V, 3.3V application
3.0 40 40 MHz For 5V application
DC Characteristics
(12MHz, typical operating conditions, valid for SM8951A/8952A series)
Symbol
VIL1
VIL2
VIH1
VIH2
VOL1
Parameter
Input Low Voltage
Input Low Voltage
Input High Voltage
Input High Voltage
Output Low Voltage
Valid
port 0,1,2,3,4,#EA
RES, XTAL1
port 0,1,2,3,4,#EA
RES, XTAL1
port 0, ALE, #PSEN
Min.
-0.5
0
2.0
70%Vcc
VOL2 Output Low Voltage
port 1,2,3,4
VOH1 Output High Voltage
port 0
2.4
VOH2 Output High Voltage
port 1,2,3,4,ALE,#PSEN
90%Vcc
2.4
IIL
Logical 0 Input Current
port 1,2,3,4
90%Vcc
ITL
Logical Transition Current port 1,2,3,4
ILI
Input Leakage Current
port 0, #EA
R RES Reset Pulldown Resistance RES
50
C IO Pin Capacitance
I CC Power Supply Current
Vdd
Max.
0.8
0.8
Vcc+0.5
Vcc+0.5
0.45
0.45
-75
-650
+ 10
300
10
20
Unit
V
V
V
V
V
V
V
V
V
V
uA
uA
uA
Kohm
pF
mA
Test Conditions
IOL=3.2mA
IOL=1.6mA
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, 12MHz
6.5 mA Idle mode, 12MHz
150 _{uA Power down mode}
Specifications subject to change without notice,contact your sales representatives for the most recent information.
7/17
Ver 1.0 PID 8951A/8952A 09/02