Samsung 8-Bit CMOS Microcontroller Microcassette Recorder User Manual


 
ELECTRICAL DATA S3C9228/P9228
16-2
Table 16-1. Absolute Maximum Ratings
(T
A
= 25
°
C)
Parameter Symbol Conditions Rating Unit
Supply voltage
V
DD
– 0.3 to + 6.5 V
Input voltage
V
IN
Ports 0–6
– 0.3 to V
DD
+ 0.3
V
Output voltage
V
O
– 0.3 to V
DD
+ 0.3
V
Output current High
I
OH
One I/O pin active – 15 mA
All I/O pins active – 60
Output current Low
I
OL
One I/O pin active + 30 mA
Total pin current for ports + 100
Operating
temperature
T
A
– 25 to + 85
°
C
Storage
temperature
T
STG
– 65 to + 150
°
C
Table 16-2. D.C. Electrical Characteristics
(T
A
= – 25
°
C to + 85
°
C, V
DD
= 2.0 V to 5.5 V)
Parameter Symbol Conditions Min Typ Max Unit
Operating Voltage
V
DD
fx = 0.4–4MHz, fxt = 32.8kHz 2.0 5.5 V
fx = 0.4–8MHz 2.7 5.5
Input High
voltage
V
IH1
Ports 4–6
0.7 V
DD
V
DD
V
V
IH2
Ports 0–3, RESET
0.8 V
DD
V
DD
V
IH3
X
IN
, X
OUT
and XT
IN
, XT
OUT
V
DD
– 0.1 V
DD
Input Low voltage
V
IL1
Ports 4–6
0.3 V
DD
V
V
IL2
Ports 0–3, RESET
0.2 V
DD
V
IL3
X
IN
, X
OUT
, XT
IN
, XT
OUT
0.1
Output High
voltage
V
OH
V
DD
= 4.5 to 5.5 V;
All output ports; I
OH
= –1 mA
V
DD
– 1.0
V
DD
V
Output Low
voltage
V
OL
V
DD
= 4.5 to 5.5 V;
All output ports; I
OL
= 10 mA
2.0 V
Input High
leakage current
I
LIH1
V
I
= V
DD
;
All input pins except X
IN
, X
OUT
,
XT
IN
, XT
OUT
3
µA
I
LIH2
V
I
= V
DD
;
X
IN
, X
OUT
, XT
IN
, XT
OUT
20