Datasheet

DS87C520/DS83C520 EPROM/ROM High-Speed Microcontrollers
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ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………………….-0.3V to (V
CC
+ 0.5V)
Voltage Range on V
CC
Relative to Ground..………………………………………………………………….-0.3V to +6.0V
Operating Temperature Range……………………………………………………………………………….-40°C to +85°C
Storage Temperature…………………………………………………………………………………………-55°C to +125°C
Soldering Temperature..………………………………………………………..See IPC/JEDEC J-STD-020 Specification
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 4.5V, T
A
= -40°C to +85°C.) (Note 1)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
4.5 5.0 5.5 V 2
DS87C520 4.25 4.38 4.5
Power-Fail Warning
DS83C520
V
PFW
4.25 4.38 4.55
V 2
DS87C520 4.0 4.13 4.25 Minimum Operating
Voltage
DS83C520
V
RST
4.0 4.13 4.275
V 2
Supply Current Active Mode
at 33MHz
I
CC
30 45 mA 3
Supply Current Idle Mode at 33MHz I
IDLE
15 25 mA 4
Supply Current Stop Mode, Bandgap
Disabled
(0°C to +70°C)
1 100
A
5
Supply Current Stop Mode, Bandgap
Disabled
(-40°C to +85°C)
I
STOP
1 150
A
5
Supply Current Stop Mode, Bandgap
Enabled
(0°C to +70°C)
50 170 μA 5
Supply Current Stop Mode, Bandgap
Enabled
(-40°C to +85°C)
I
SPBG
50 195
A
5
Input Low Level V
IL
-0.3 +0.8 V 2
Input High Level
(except XTAL1 and RST)
V
IH
2.0 V
CC
+ 0.3 V 2
Input High Level XTAL1 and RST V
IH2
3.5 V
CC
+ 0.3 V 2
Output Low Voltage, Ports 1 and 3
at I
OL
= 1.6mA
V
OL1
0.15 0.45 V 2
Output Low Voltage Ports 0 and 2,
ALE, PSEN at I
OL
= 3.2mA
V
OL2
0.15 0.45 V 2
Output High Voltage Ports 1, 2, 3,
ALE, PSEN at I
OH
= -50μA
V
OH1
2.4 V 2, 7
Output High Voltage Ports 1, 2, 3
at I
OH
= -1.5mA
V
OH2
2.4 V 2, 8
Output High Voltage Port 0, 2,
ALE, PSEN in Bus Mode at I
OH
= -8mA
V
OH3
2.4 V 2, 6
Input Low Current Ports 1, 2, 3 at 0.45V I
IL
-70 μA 12