S3C7544 Datasheet, PDF (11/27 Pages) Samsung semiconductor – Single-chip CMOS microcontroller, 512 x 4-bit RAM, 4096 x 8-bit ROM

S3C7544/P7544
ELECTRICAL DATA
Table 14-2. D.C. Electrical Characteristics (Continued)
(T_A = – 40 ^°C to + 85 ^°C, V_DD = 1.8 V to 5.5 V)
Parameter Symbol
Conditions
Min
Typ
Output High
Voltage
V_OH V_DD = 4.5 V to 5.5 V
I_OH = – 1 mA
V_DD – 1.0
–
Output Low
Voltage
V_OL1
V_DD = 4.5 V to 5.5 V
I_OL = 15 mA
–
–
Ports 4, 5
V_DD = 1.8 V to 5.5 V
I_OL = 1.6 mA
V_OL2
V_DD = 4.5V to 5.5 V
I_OL = 4 mA
All out ports except ports 4, 5
V_DD = 1.8 V to 5.5 V
I_OL = 1.6 mA
Input High
I_LIH1
V_IN = V_DD
–
–
Leakage
All input pins except X_IN and X_OUT
Current
I_LIH2
V_IN = V_DD
X_IN and X_OUT
Input Low
I_LIL1
V_IN = 0 V
–
–
Leakage
All input pins except X_IN, X_OUT
Current
and RESET
I_LIL2
V_IN = 0 V
X_IN and X_OUT
Output High
Leakage
Current
I_LOH
V_O = V_DD
All output pins
–
–
Output Low
Leakage
Current
I_LOL
V_O = 0 V
All output pins
–
–
Pull-up
Resistor
R_L1
V_DD = 5 V; V_I = 0 V
except _RESET
25
45
V_DD = 3 V
50
90
R_L2
V_DD = 5 V; V_I = 0 V; RESET
100
220
V_DD = 3 V
200
450
Max
–
2
0.4
2
0.6
3
20
–3
– 20
3
–3
100
200
400
800
Units
V
V
µA
µA
µA
µA
kΩ
14-3