IC89C54 Datasheet, PDF (13/24 Pages) Integrated Circuit Solution Inc – CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 16/32/64-Kbytes of FLASH

IC89C54/58/64
DC CHARACTERISTICS
(Ta=0°C to 70°C; VCC=5V+10%; VSS=0V )
Symbol
Parameter
Test conditions
Min
Max
Unit
VIL
VIL1
VIH
VIH1
VSCH+
VSCH–
VOL⁽¹⁾
VOL1⁽¹⁾
VOH
Input low voltage (All except EA)
Input low voltage (EA)
–0.5
0.2Vcc – 0.1
V
–0.5
0.2Vcc – 0.3
V
Input high voltage
(All except XTAL 1, RST)
0.2Vcc + 0.9 Vcc + 0.5
V
Input high voltage (XTAL 1)
0.7Vcc
Vcc + 0.5
V
RST positive schmitt-trigger
threshold voltage
0.7Vcc
Vcc + 0.5
V
RST negative schmitt-trigger
threshold voltage
0
0.3Vcc
V
Output low voltage
Iol = 100 µA
—
0.3
V
(Ports 1, 2, 3)
IOL = 1.6 mA
—
0.45
V
IOL = 3.5 mA
—
1.0
V
Output low voltage
(Port 0, ALE, PSEN)
IOL = 200 µA
IOL = 3.2 mA
—
0.3
V
—
0.45
V
IOL = 7.0 mA
—
1.0
V
Output high voltage
IOH = –10 µA
0.9Vcc
—
V
(Ports 1, 2, 3, ALE, PSEN)
Vcc = 4.5V-5.5V
VOH1
IIL
ILI
ITL
RRST
IOL = –25 µA
0.75Vcc
—
V
IOL = –60 µA
2.4
—
V
Output high voltage
(Port 0, ALE, PSEN)
IOH = –80 µA
0.9Vcc
—
V
Vcc = 4.5V-5.5V
IOH = –300 µA
0.75Vcc
—
V
IOH = –800 µA
2.4
—
V
Logical 0 input current (Ports 1, 2, 3) VIN = 0.45V
—
–50
µA
Input leakage current (Port 0)
0.45V < VIN < Vcc
–10
+10
µA
Logical 1-to-0 transition current
(Ports 1, 2, 3)
VIN = 2.0V
—
–650
µA
RST pulldown resister
VIN=0v
50
300
KΩ
Note:
1. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum IOL per 8-bit port
Port 0: 26 mA
Ports 1, 2, 3: 15 mA
Maximum total IOL for all output pins: 71 mA
If IOL exceeds the test condition, VOL may exceed the related specification.
Pins are not guaranteed to sink greater than the listed test conditions.
2.The Icc test conditions are shown below. Minimum VCC for Power Down is 2 V.
Integrated Circuit Solution Inc.
13
MC009-0B