IS80C286-20 Intersil, IS80C286-20 Datasheet - Page 43

• Manufacturer Part Number: IS80C286-20
• Description: IC CPU 16BIT 5V 20MHZ 68-PLCC
• Manufacturer: Intersil

Specifications of IS80C286-20

• Processor Type: 80C286 16-Bit
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

AC Electrical Specifications
NOTES:
37. Asynchronous inputs are INTR, NMl, HOLD, PEREQ, ERROR, and BUSY. This specification is given only for testing purposes, to assure
38. Delay from 1.0V on the CLK to 1.5V.
39. Output load: C
40. Delay measured from address reaching 1.5V to status reaching 1.5V.
41. Delay from 1.0V on the CLK to Float (no current drive) condition.
42. Delay from 1.0V on the CLK to 1.5V.
AC Test Conditions
TIMING REQUIREMENTS
TIMING RESPONSES
SYMBOL
12A
12B
recognition at a specific CLK edge.
17
18
10
11
20
13
14
15
16
19
1
2
3
4
5
6
7
8
9
System Clock (CLK) Period
System Clock (CLK) LOW Time
System Clock (CLK) HIGH Time
System Clock (CLK) RISE Time
System Clock (CLK) FALL Time
Asynchronous Inputs SETUP Time
Asynchronous Inputs HOLD Time
RESET SETUP Time
RESET HOLD Time
Read Data SETUP Time
Read Data HOLD Time
READY SETUP Time
READY HOLD Time
Input RISE/FALL Times
Status/PEACK Active Delay
Status/PEACK Inactive Delay
Address Valid Delay
Write Data Valid Delay
Address/Status/Data Float Delay
HLDA Valid Delay
Address Valid to Status SETUP Time
L
= 100pF.
TEST CONDITION
PARAMETER
1
2
AC Timings are Referenced to the 1.5V Point of the Signals as Illustrated in Data Sheet Waveforms,
Unless Otherwise Specified
V
CC
= +5V ±5%, T
I
L
(CONSTANT CURRENT SOURCE)
A
= 0
o
-6mA (V
MIN
8mA (V
80C286
C to +70
25
10
10
6
9
4
4
0
3
2
3
1
1
1
0
0
0
9
-
-
-
20MHz
43
|2.0mA|
OL
OH
o
MAX
C (C80C286-20, -25), T
15
16
23
27
25
20
to Float)
4
4
6
to Float)
-
-
-
-
-
-
-
-
-
-
-
-
MIN
20
10
12
5
7
4
4
0
3
2
9
3
1
1
1
0
0
0
-
-
-
25MHz
MAX
12
13
20
24
24
19
4
4
6
-
-
-
-
-
-
-
-
-
-
-
-
A
= -40
UNIT
100pF
100pF
o
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
C to +85
L
At 1.0V
At 3.6V
1.0V to 3.6V
3.6V to 1.0V
(Note 37)
(Note 37)
0.8V to 2.0V
1, (Notes 39, 42)
1, (Notes 39, 42)
1, (Notes 38, 39)
1, (Notes 38, 39)
2, (Note 41)
1, (Notes 38, 39)
1, (Notes 39, 40)
o
C (l80C286-20)
TEST CONDITION