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S3C8245/P8245/C8249/P8249 S3P8245/P8249 OTP
21-7
Case of S3P8245, the characteristic of V
OH
and V
OL
is differ with the characteristic of S3P8249 like as bellow. Other
characteristics are same each other.
Table 21-5. D.C Electrical Characteristics of S3C8245
(T
A
= -25
°
C to +85
°
C, V
DD
= 1.8 V to 5.5 V)
Parameter Symbol Conditions Min Typ Max Unit
Output high voltage V
OH1
V
DD
= 5 V; I
OH
= -1 mA
All output pins except V
OH2
V
DD
-1.0 – – V
V
OH2
V
DD
= 5 V; I
OH
= -6 mA
Port 3.0 only in S3P8245
V
DD
-0.7
Output low voltage V
OL1
V
DD
= 5 V; I
OL
= 2 mA
All output pins except V
OL2
– – 0.4
V
OL2
V
DD
= 5 V; I
OH
= 12 mA
Port 3.0 only in S3P8245
0.7
10 MHz
f
CPU
3 MHz
1 MHz
1 2 3 4 5 6 7
Supply Voltage (V)
Minimum instruction clock = 1/4 x oscillator frequency
5.5
8 MHz
2.71.8
A
B
Figure 21-2. Operating Voltage Range