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82C55A
ABSOLUTE MAXIMUM RATINGS*
Ambient Temperature Under Bias. . . .0'C to + 70"C
StorageTemperature
... - 65'Cto + 150'C
Supply Voltage
- 0.5 to + 8.0V
OperatingVoltage
.....+ 4Vto + 7V
Voltage on any Input. .
. .GND-2V to + 6.5V
Voltage on any Ouput . .GND-0.5V to V66 + O.sV
Power Dissipation
1 Watt
'Notice: Sfressas above those listed under 'Abso-
lute Maximum Ratings" may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the deuice dt these or any
other conditions above those indicated in thd opera-
tionalsections of this specification is not imptied. Ex-
posure to absolute maximum rating cbnditions for
ertended periods may affect device reliability.
D.C. CHARACTERISTICS
T n = O G t o 7 0 " C , V C C : * 5 V X l O o / o , G N D : 0 V f f n : - 4 0 ' C t o * S 5 . C f o r E x t e n d e d T e m p e r t u r e )
1. Pins 41, Ao,6, WF', F'0, Reset.
3. Outputs op€n.
Symbol
Parameter
Mln
Max
Unlts
Test Condltlons
vr
Input Low Voltage
- 0 . 5
0.8
V
Vrx
Input High Voltage
2.0
Vcc
V
Vor
Output Low Voltage
0.4
V
lgg : 2.5 mA
Vox
Output High Voltage
3.0
V66 - 0.4
V
V
l o H :
loH -
-2.5 mA
-100 pA
It
Input Leakage Cunent
t 1
pA
Vlx : V66to 0V
(Note 1)
lopl
Output Float Leakage Gunent
r 1 0
pA
V1x : V66 to 0V
(Note 2)
lolR
Darlington Drive Cunent
t2.5
(Note 4)
mA
Ports A, B, C
R61 = 500O
Vs1 : 1.7V
lpxt
Port Hold Low Leakage Cunent
+ 5 0
+300
pA
Vow = 1.ov
Port A only
lpxx
Port Hold High Leakage Cunent
-50
-300
pA
vow = 3.ov
Ports A, B, C
lpxlo
Port Hold Low Overdrive Cunent
-350
pA
Vggry: 0.8V
Inrno
Port Hold High Overdrive Cunent
+350
pA
V O U T : 3 . 0 V
166
Vg6 Supply Cunent
1 0
mA
(Note 3)
lccsa
V6s Supply Cunent-Standby
1 0
pA
V69 : 5.5V
Vtru : VCC or GND
Port Conditions
Itl/P : Open/High
OlP : Open Only
With Data Bus :
High/Low
6 :
H i g h
Reset: Low
Pure Inputs :
Low/High
ilOTES:
4. Limit outpul cun€nt to 4.0 mA.
3-141
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