DS89C420 Datasheet, PDF (44/59 Pages) Dallas Semiconductor – Ultra-High-Speed Microcontroller

DS89C420
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
Voltage Range on V_CC Relative to Ground
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
-0.3V to (V_CC + 0.5V)
-0.3V to +6.0V
-40°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A
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_CC = 4.5V to 5.5V; T_A = -40°C to +85°C) (Note 1)
PARAMETER
SYMBOL MIN
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_OL = 1.6mA
V_CC
V_PFW
V_RST
I_CC
I_IDLE
I_STOP
I_SPBG
V_IL
V_IH
V_IH2
V_OL1
4.5
4.2
3.95
-0.3
2.0
3.5
Output Low Voltage; Port 0 and 2, ALE, PSEN
V_OL2
at I_OL = 3.2mA
Output High Voltage; Port 1, 2, and 3, ALE, PSEN at
V_OH1
2.4
I_OH = -50µA
Output High Voltage; Port 1, 2, and 3 at I_OH = -1.5mA
V_OH2
2.4
TYP
5.0
4.375
4.125
100
40
0.15
0.15
MAX UNITS NOTES
5.5
V
4.6
V
4.35
V
150
mA
50
mA
40
mA
40
mA
+0.8
V
V_CC + 0.3 V
V_CC + 0.3 V
0.45
V
2, 13
2, 12
2, 12, 13
3
4
5
5
2
2
2
2
0.45
V
2
V
2, 7
V
2, 8
Output High Voltage; Port 0 and 2 in Bus Mode at
I_OH = -8mA
V_OH3
2.4
V
2, 6
Output High Voltage, RST at I_OL = -0.4mA
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 EA
Input Leakage Current, Port 0 in Bus Mode
RST Pulldown Resistance
V_OH4
I_IL
I_TL
I_L
I_L
R_RST
2.4
-55
-650
-10
-300
50
V
µA
µA
+10
µA
+300
µA
170
kΩ
2, 14
9
11
10
11
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