Maxim DS87C530 Clock User Manual


 
DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock
33 of 47
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………………………………………………………………………………….0°C to +70°C
Storage Temperature Range……………………………………………………………………...-55°C to +125°C (Note 1)
Soldering Temperature.…………………………………………………………See IPD/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 to 5.5V, T
A
= -40°C to +85°C.) (Note 2)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage
V
CC
4.5 5.0 5.5 V 3
Power-Fail Warning
V
PFW
4.25 4.38 4.5 V 3
Minimum Operating Voltage
V
RST
4.0 4.13 4.25 V 3
Backup Battery Voltage
V
BAT
2.5 3.0 V
CC
-0.7 V
Supply Current Active Mode at 33MHz
I
CC
30 46 mA 4
Supply Current Idle Mode at 33MHz
I
Idle
15 25 mA 5
Supply Current Stop Mode, Bandgap Disabled
(0°C to +70°C)
1 100
mA
6
Supply Current Stop Mode, Bandgap Disabled
(-40°C to +85°C)
I
Stop
1 150
mA
6
Supply Current Stop Mode, Bandgap Enabled
(0°C to +70°C)
50 170
mA
6
Supply Current Stop Mode, Bandgap Enabled
(-40°C to +85°C)
I
SPBG
50 195
mA
6
Backup Supply Current, Data-Retention Mode
(0°C to +70°C)
0 0.5
mA
7
Backup Supply Current, Data-Retention Mode
(-40°C to +85°C)
I
BAT
0 1
mA
7
Input Low Level V
IL
-0.3 +0.8 V 3
Input High Level V
IH
2.0 V
CC
+0.3 V
3
Input High Level XTAL1 and RST V
IH2
3.5 V
CC
+0.3 V
3
Output Low Voltage at I
OL
= 1.6mA V
OL1
0.15 0.45 V
3
Output Low Voltage Ports 0, 2, ALE, and PSEN
at I
OL
= 3.2mA
V
OL2
0.15 0.45 V
3
Output High Voltage Ports 1, 2, 3, ALE, PSEN at
I
OH
= -50mA
V
OH1
2.4 V 3, 8
Output High Voltage Ports 1, 2, 3
at I
OH
= -1.5mA
V
OH2
2.4 V 3, 9
Output High Voltage Port 0 in Bus Mode
I
OH
= -8mA
V
OH3
2.4 V 3, 10
Input Low Current Ports 1, 2, 3 at 0.45V
I
IL
-70
mA
11
Transition Current from 1 to 0 Ports 1, 2, 3 at 2V
I
TL
-800
mA
12
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