DS89C420 Dallas Semiconducotr, DS89C420 Datasheet - Page 44

• Manufacturer Part Number: DS89C420
• Description: Ultra-High-Speed Microcontroller
• Manufacturer: Dallas Semiconducotr

Supply Voltage
Power-Fail Warning
Reset Trip Point
Supply Current Active Mode
Supply Current Idle Mode at 33MHz
Supply Current Stop Mode, Bandgap Disabled
Supply Current Stop Mode, Bandgap Enabled
Input Low Level
Input High Level
Input High Level XTAL and RST
Output Low Voltage; Port 1 and 3 at I
Output Low Voltage; Port 0 and 2, ALE,
at I
Output High Voltage; Port 1, 2, and 3, ALE,
I
Output High Voltage; Port 1, 2, and 3 at I
Output High Voltage; Port 0 and 2 in Bus Mode at
I
Output High Voltage, RST at I
Input Low Current; Port 1, 2, and 3 at 0.4V
Transition Current from 1 to 0; Port 1, 2, and 3 at 2V
Input Leakage Current, Port 0 in I/O Mode and
Input Leakage Current, Port 0 in Bus Mode
RST Pulldown Resistance
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
Voltage Range on V
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
These are stress ratings only and functional operation of the device at these or other conditions beyond those indicated in the operations
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.
Table 16. DC ELECTRICAL CHARACTERISTICS
(V
OH
OH
CC
OL
= -50µA
= -8mA
= 4.5V to 5.5V; T
= 3.2mA
PARAMETER
CC
A
Relative to Ground
= -40°C to +85°C) (Note 1)
OL
= -0.4mA
OL
= 1.6mA
OH
PSEN
= -1.5mA
PSEN
EA
at
44 of 59
SYMBOL
V
V
V
V
V
V
I
I
V
V
I
R
V
V
V
SPBG
V
I
STOP
IDLE
I
I
I
I
PFW
CC
OH1
OH2
OH3
OH4
RST
RST
OL1
OL2
TL
IH2
IL
CC
L
L
IL
IH
MIN
-650
-300
3.95
-0.3
4.5
4.2
2.0
3.5
2.4
2.4
2.4
2.4
-55
-10
50
TYP
4.375
4.125
0.15
0.15
100
5.0
40
-0.3V to (V
-0.3V to +6.0V
-40°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A
V
V
MAX
CC
CC
+300
4.35
+0.8
0.45
0.45
150
+10
170
4.6
5.5
50
40
40
+ 0.3
+ 0.3
CC
UNITS
+ 0.5V)
mA
mA
mA
mA
µA
µA
µA
µA
k
V
V
V
V
V
V
V
V
V
V
V
V
DS89C420
NOTES
2, 12, 13
2, 13
2, 12
2, 14
2, 7
2, 8
2, 6
11
10
11
3
4
5
5
2
2
2
2
2
9