Radio Shack 26-3801 Service Manual page 41

Symbol Parameter
Min.
Max. Units
Test Conditions
V,L
Input
Low
Voltage -0.3
+0.8
V
V|H
Input High Voltage
2.2
Vcc+0.3
V
V 0L
Output
Low
Voltage
0.45
V
l
0L
-
2mA
Vqh
Output High Voltage
Z4
V
l
0H
» -400jiA
•cc
Power
Supply
Current
17
mA
Vcc=4.75-5.25 V
>IL
Input Leakage
±10
MA
Vin
-
Vc;
'lo
Output
Leakage
±10
ka
0.45V
<
Vou,
<
V
cc
V
IL
R
Input
Low
Level,
RESET
-0.3
+0.8
V
V|HB
Input High
Level,
RESET
2.2
v
cc +
0.3j
v
^7
Table
5
D.C.
CHARACTERISTICS
w
-
(1/2IT-45
MIN
;
'la
-
(1/2)
T-
60 MIN
't-L
-
(1/2)
T-
20
MIN
't-CK
-
(1/2)
T-
60
MIN
:
t LC
-
(1/2)
T-30
MIN
:
l AD
-
(5/2 + N)
T
-
225
MAX
j
f RD
-
(3/2 +
N)T-
180
MAX
*RA6
-
(1/2)
T-
10
MIN
'CA
-
(1/2)
T-
40 MIN
|
«ow
-
(3/2
+ N) T
-
60
MIN
<wo
-
(1/2)
T-
60 MIN
l
cc
-
(3/2
+
N)
T -
80
MIN
«CL
•
-
(1/2)
T-
110 MIN
*ARY
-
(3/2)
T
- 260
MAX
-
(1/2)
T-
50
MIN
l HABF
-
(1/21T + 50
MAX
'HABE
-
(1/2)T +
50
MAX
'AC
-
(2/2)
T-
50
MIN
'1
-
(1/2)
T-
80
MIN
l
2
-
(1/2)
T-
40
MIN
<RV
-
(3/2)
T
- 80
MIN
'lor
-
(4/2)
T-
180
MAX
Table
6
Bus
Timing Specification