DS87C520_1 Datasheet, PDF (27/42 Pages) Dallas Semiconductor – EPROM/ROM High-Speed Micro

ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
DS87C520/DS83C520
-0.3V to +7.0V
0°C to 70°C
-55°C to +125°C
See J-STD-020A 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
PARAMETER
SYMBOL MIN
Supply Voltage
Power-fail Warning
Minimum Operating Voltage
Supply Current Active Mode
@ 33 MHz
V_CC
4.5
V_PFW
4.25
V_RST
4.0
I_CC
Supply Current Idle Mode
I_IDLE
@ 33 MHz
Supply Current Stop Mode
Band-gap Disabled
I_STOP
Supply Current Stop Mode,
Band-gap Enabled
I_SPBG
Input Low Level
Input High Level
(except XTAL1 and RST)
V_IL
-0.3
V_IH
2.0
Input High Level XTAL1 and RST
V_IH2
3.5
Output Low Voltage, Ports 1 and 3
V_OL1
@ I_OL =1.6 mA
Output Low Voltage Ports 0 and 2,
V_OL2
ALE , PSEN @ I_OL = 3.2 mA
Output High Voltage Ports 1, 2, 3,
V_OH1
2.4
ALE, PSEN @ I_OH = -50 µA
Output High Voltage Ports 1, 2, 3
V_OH2
2.4
@ I_OH = -1.5 mA
Output High Voltage Port 0, 2,
V_OH3
2.4
ALE, PSEN in Bus Mode
@ I_OH = -8 mA
Input Low Current Ports 1, 2, 3 @
I_IL
0.45V
Transition Current from 1 to 0 Ports
I_TL
1, 2, 3 @ 2V
Input Leakage Port 0, and EA pins,
I_L
-10
I/O Mode
Input Leakage Port 0, Bus Mode
I_L
-300
RST Pulldown Resistance
R_RST
50
TYP
5.0
4.38
4.13
30
15
1
50
0.15
0.15
MAX
5.5
4.5
4.25
UNITS
V
V
V
mA
NOTES
1
1
1
2
mA
3
µA
4
µA
4
+0.8
V
1
V_CC +0.3
V
1
V_CC +0.3
V
1
0.45
V
1
0.45
V
1
V
1,6
V
1,7
V
1,5
-55
µA
11
-650
µA
8
+10
µA
10
+300
µA
9
200
kO
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