Table of Contents
Advertisement
AC SPECIFICATIONS
AC Characteristics 80C186EA25 80C186EA20 80C186EA13
Symbol
Parameter
INPUT CLOCK
T
CLKIN Frequency
F
T
CLKIN Period
C
CLKIN High Time
T
CH
T
CLKIN Low Time
CL
T
CLKIN Rise Time
CR
T
CLKIN Fall Time
CF
OUTPUT CLOCK
T
CLKIN to CLKOUT Delay
CD
T
CLKOUT Period
T
CLKOUT High Time
PH
T
CLKOUT Low Time
PL
T
CLKOUT Rise Time
PR
T
CLKOUT Fall Time
PF
OUTPUT DELAYS
T
ALE S2 0 DEN DT R
CHOV1
BHE (RFSH) LOCK A19 16
T
MCS3 0 LCS UCS PCS6 0
CHOV2
NCS RD WR
T
BHE (RFSH) DEN LOCK
CLOV1
RESOUT HLDA
T0OUT T1OUT A19 16
T
RD WR MCS3 0 LCS
CLOV2
UCS PCS6 0 AD15 0
(A15 8 AD7 0)
NCS INTA1 0 S2 0
T
RD WR BHE (RFSH) DT R
CHOF
LOCK S2 0 A19 16
T
DEN AD15 0 (A15 8 AD7 0)
CLOF
80C186EA 80C188EA 80L186EA 80L188EA
Min
Max
Min
(12)
25 MHz
20 MHz
0
50
0
20
25
%
10
10
%
10
10
%
1
8
1
1
8
1
0
15
0
2T
C
(T 2)
5
(T 2)
5
b
b
(T 2)
5
(T 2)
5
b
b
1
6
1
1
6
1
3
20
3
3
25
3
3
20
3
3
25
3
0
25
0
0
25
0
Max
Min
Max Units
13 MHz
40
0
26
MHz
38 5
ns
%
%
12
ns
%
%
12
ns
%
%
8
1
8
ns
8
1
8
ns
17
0
23
ns
2 T
2 T
ns
C
C
(T 2)
5
ns
b
(T 2)
5
ns
b
6
1
6
ns
6
1
6
ns
22
3
25
ns
27
3
30
ns
22
3
25
ns
27
3
30
ns
25
0
25
ns
25
0
25
ns
Notes
1
1
1 2
1 2
1 3
1 3
1 4
1
1
1
1 5
1 5
1 4 6 7
1 4 6 8
1 4 6
1 4 6
1
1
25
25
Advertisement
Table of Contents
