
TE
CH
tm
9. Electrical Characteristics 
D.C Characteristics 
Symbol 
Parameter 
V
CC
Operating Voltage 
I
CC
Operating Current 
I
PD
Power-Down Current 
Only ADC Enable, Others 
Disable 
V
ADC
ADC Input Voltage Range 
V
REF
V
REF
 input voltage range 
                 T81L0006A/B
TM Technology Inc. reserves the right 
P. 5                
Publication Date: AUG. 2005 
to change products or specifications without notice.                                 Revsion : B
Conditions 
25°C 
Min 
3.0 
Typ 
3.3 
6 
Max 
3.6 
- 
1 
Units 
V 
mA 
uA 
No load, ADC disable Vcc=3.3V 
No load, Vcc=3.3V 
- 
I
ADC
No load 
- 
120 
- 
uA 
0 
2 
- 
- 
V
REF
V
CC
V 
V 
V
IH
Hi-Level input voltage 
V
out
 >=V
VOH(MIN.)
V
out
 <=V
VOL(MIN.)
V
out
 >=V
VOH(MIN.)
V
out
 <=V
VOL(MIN.)
2.1 
- 
- 
V 
V
IL
Low-Level input voltage 
- 
- 
0.6 
V 
I
OH
=-7uA 
I
OH
=-45uA 
I
OH
=-70uA 
I
OH
=-12mA** 
I
OH
=-20mA** 
I
OL
=12mA 
I
OL
=25mA 
I
OL
=40mA 
I
OL
=4mA 
I
OL
=12mA 
I
OL
=20mA 
2.9 
2.4 
1.9 
2.4 
1.9 
V
OH
Hi-Level Output voltage 
V
CC
=MIN. 
V
I
=V
IH 
or 
V
IL
- 
- 
V 
0.2 
0.4 
0.6 
0.2 
0.4 
0.6 
V
OL
1 * 
Low-Level Output voltage 
V
CC
=MIN. 
V
I
=V
IH 
or 
V
IL
V
CC
=MIN. 
V
I
=V
IH 
or 
V
IL
- 
- 
V 
V
OL
2 ** 
Low-Level Output voltage 
V 
Note :  *  for PWM pins (P3.6/PWM1 and P2.0/PWM2). 
      **  for high driving current mode. 
A.C Characteristics 
Symbol 
Parameter 
F
SYS1
System Clock 1 (Crystal OSC) 
F
SYS2
System Clock 2 (RC OSC) 
F
ADC
ADC Clock Frequency 
t
ACT
ADC Conversion Time 
t
RES
External Reset High Pulse Width 
t
POS
Power ON Start up Time 
t
LHLL
ALE pulse width 
t
AVLL
Address Valid to ALE Low 
t
LLAX
Address Hold after ALE Low 
t
LLIV
ALE Low to Valid Instruction In 
t
LLPL
ALE Low to PSEN Low 
t
PLPH
PSEN pulse width 
t
PLIV
PSEN Low to Valid Instruction In 
t
AVIV
Address to Valid Instruction In 
t
RLRH
RD pulse width 
t
WLWH
WR pulse width 
t
RLDV
RD Low to Valid data in 
t
LLDV
ALE Low to Valid data in 
t
AVDV
Address to Valid data in 
t
LLWL
ALE Low to RD or WR Low 
t
AVWL
Address to RD or WR Low 
t
WHLH
RD or WR High to ALE High 
Conditions 
V
CC
=3.3V 
V
CC
=3.3V 
Min 
Typ 
12 
12 
125 
128 
10 
20 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
Max 
24 
- 
- 
Units 
MHz 
MHz 
KHz 
us 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
system cycle 
ms 
ns 
ns
ns
ns
ns
ns
ns
ns
ns 
ns 
ns 
ns 
ns 
ns 
ns 
ns 
127 
43 
48 
- 
43 
205 
- 
- 
400 
400 
- 
- 
- 
200 
203 
43 
233 
- 
- 
145 
312 
- 
252 
517 
585 
300 
- 
123