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DS89C420_02 Datasheet, PDF (44/58 Pages) Maxim Integrated Products – Ultra-High-Speed Microcontroller
ABSOLUTE MAXIMUM RATINGS*
Voltage Range on Any Pin Relative to Ground
Voltage Range on VCC Relative to Ground
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
DS89C420
-0.3V to (VCC + 0.5V)
-0.3V to +6.0V
-40°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A
* This is a stress rating 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
PARAMETER
(VCC = 4.5V to 5.5V; T A = -40°C to +85°C) (Note 1)
SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage
VCC
4.5
5.0
5.5
V
2, 13
Power-Fail Warning
VPFW
4.2 4.375
4.6
V
2, 12
Reset Trip Point (Min. Operating Voltage)
VRST
3.95 4.125 4.35
V
2, 12, 13
Supply Current Active Mode
ICC
100
150
mA
3
Supply Current Idle Mode at 33MHz
IIDLE
40
50
mA
4
Supply Current Stop Mode, Bandgap Disabled
ISTOP
40
mA
5
Supply Current Stop Mode, Bandgap Enabled
ISPBG
40
mA
5
Input Low Level
VIL
-0.3
+0.8
V
2
Input High Level
VIH
2.0
VCC + 0.3
V
2
Input High Level XTAL and RST
VIH2
3.5
VCC + 0.3
V
2
Output Low Voltage; Port 1 and 3 at IOL = 1.6mA
Output Low Voltage; Port 0 and 2, ALE, PSEN
at IOL = 3.2mA
VOL1
VOL2
0.15
0.45
V
2
0.15
0.45
V
2
Output High Voltage; Port 1, 2, and 3, ALE, PSEN at
IOH = -50µA
VOH1
2.4
V
2, 7
Output High Voltage; Port 1, 2, and 3 at IOH = -1.5mA
VOH2
2.4
V
2, 8
Output High Voltage; Port 0 and 2 in Bus Mode at
IOH = -8mA
VOH3
2.4
V
2, 6
Output High Voltage, RST at IOL = -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
VOH4
IIL
ITL
IL
IL
RRST
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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