S3C7544 Datasheet, PDF (10/27 Pages) Samsung semiconductor – Single-chip CMOS microcontroller, 512 x 4-bit RAM, 4096 x 8-bit ROM

ELECTRICAL DATA
S3C7544/P7544
(T_A = 25 ^°C)
Table 14-1. Absolute Maximum Ratings
Parameter
Supply Voltage
Input Voltage
Output Voltage
Output Current High
Output Current Low
Symbol
V_DD
V_I
V_O
I _OH
I _OL
Conditions
–
All I/O ports
–
One I/O port active
All I/O ports active
One I/O port active
All I/O ports active
Operating Temperature
T_A
–
Storage Temperature
T_stg
–
Rating
– 0.3 to + 6.5
– 0.3 to V_DD + 0.3
– 0.3 to V_DD + 0.3
–5
– 35
+ 30 (peak)
+ 15 ^(note)
+ 100 (peak)
+ 60 ^(note)
– 40 to + 85
– 65 to + 150
NOTE: The values for output current low (I_OL) are calculated as peak value × Duty .
Units
V
V
V
mA
mA
°_C
°_C
Table 14-2. D.C. Electrical Characteristics
(T_A = – 40 ^°C to + 85 ^°C, V_DD = 1.8 V to 5.5 V)
Parameter
Input High
Voltage
Input Low
Voltage
Symbol
Conditions
V_IH1 All input pins except V_IH2–V_IH3
V_IH2
V_IH3
V_IL1
P0 and RESET
X_IN and X_OUT
All input pins except V_IH2–V_IH3
V_{IL2 P0 and RESET}
V_IL3
X_IN and X_OUT
Min
Typ
0.7 V_DD
–
0.8 V_DD
–
V_DD – 0.1
–
–
–
Max
V_DD
V_DD
V_DD
0.3 V_DD
0.2 V_DD
0.1
Units
V
V
14-2