Tandy WP-2 Service Manual page 47

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ROM
Card
Maximum
Ratings
Symbol
Parameter
VDD
Power
Supply Voltage
VIN
Input Voltage
VI/O
Input/Output
Voltage
TSTG
Storage
Temperature
TOPR
Operating
Temperature
Rating
Unit
-0.6-
+7.0
V
-0.6-
+7.0
V
-0.6-
+7.0
V
-
20
- 60
"C
0-60
°c
Operating
Mode
Pin
Name
/CE1
/OE
VDD
Mode
Read
Output
Deselect
Standby
L
1.
D0-D7
Power
L
5V
Data
Out
IDDO
H
5V
Hi-Z
IDDO
*
5V
Hi-Z
IDDS
Read
Operation
DC
Recommended
Operating Conditions
Symbol
Parameter
V1H
Input
High
Voltage
VIL
Input
Low
Voltage
VCC
VCC
Power
Supply
Voltage
Min.
2.2
-0.3
4.75
Typ.
5.0
Max.
VDD
+
0.8
5.25
1.0
Unit
V
V
V
DC
Characteristics
Symbol
Parameter
ILI
Input Current
IDDO
Operating Current
IDDS
Standby Current
VOH
Output High
Voltage
VOL
Output
Low
Voltage
ILO
Output Leak
Current
VIN
= 0-VDD
/CE1=0V f=5MHz
Iout
= 0mA f=lMHz
/CE1
=
VIH
/CEI=VDD-0.2V
IOH=-400^A
IOL
=
2.1mA
Vout
=
0.4V-
VCC
2.4
±10
)j.A
40
mA
10
mA
1
mA
100
MA
-
V
0.4
V
±10
fiA
4-26

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