© 2000 Scenix Semiconductor, Inc. All rights reserved.
- 40 -
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SX18AC/SX20AC/SX28AC/SX18AC75/SX20AC75/SX28AC75
17.2
DC Characteristics
SX18/20/28AC (Temp Range: 0°C <= Ta <= +70°C) and SX18/20/28AC-I (Temp Range: -40°C <= Ta <= +85°C)
Note 1: Vdd must start rising from Vss to ensure proper Power-On-Reset when relying on the internal Power-On-Reset
circuitry.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Vdd
Supply Voltage (Note 1)
Fosc= 32 MHz
Fosc= 50 MHz
2.7
3.0
-
-
5.5
5.5
V
V
SVdd
Vdd rise rate
0.05
-
-
V/ms
Idd
Supply Current, active
Vdd = 5.0V, Fosc = 50 MHz (Crystal)
Vdd = 5.0V, Fosc = 4 MHz (Crystal)
Vdd = 2.7V, Fosc = 20 MHz (Crystal)
-
77
7.5
17
82
8
18
mA
mA
mA
Ipd
Supply Current, power down
Vdd = 3.0V, WDT enabled
Vdd = 3.0V, WDT disabled
-
10
1.0
20
9.0
µA
µA
Vih, Vil
Input Levels
MCLR, OSC1, RTCC
Logic High
Logic Low
All Other Inputs
CMOS
Logic High
Logic Low
TTL
Logic High
Logic Low
0.8Vdd
Vss
0.7Vdd
Vss
2.0
Vss
Vdd
0.2Vdd
Vdd
0.3Vdd
Vdd
0.8
V
V
V
V
V
V
Iil
Input Leakage Current
Vin = Vdd or Vss
-1.0
+1.0
µA
Iip
Weak Pullup Current
Vdd = 5.5V, Vin = 0V
Vdd = 3.0V, Vin = 0V
100
25
190
50
µA
µA
Voh
Output High Voltage
OSC2, Ports B, C
Port A
Ioh = 20mA, Vdd = 4.5V
Ioh = 12mA, Vdd = 3.0V
Ioh = 30mA, Vdd = 4.5
Ioh = 20mA, Vdd = 3.0V
Vdd-0.7
Vdd-0.7
Vdd-0.7
Vdd-0.7
V
V
V
V
Vol
Output Low Voltage
All Ports, OSC2
Iol = 30mA, Vdd = 4.5V
Iol = 20mA, Vdd = 3.0V
0.6
0.6
V
V
