80C186EB/80C188EB, 80L186EB/80L188EB
AC SPECIFICATIONS
AC CharacteristicsÐ80C186EB20/80C186EB13
Symbol
Parameter
20 MHz
13 MHz
Units
Notes
Min
Max
Min
Max
INPUT CLOCK
T
F
CLKIN Frequency
0
40
0
26
MHz
1
T
C
CLKIN Period
25
%
38.5
%
ns
1
T
CH
CLKIN High Time
10
%
12
%
ns
1, 2
T
CL
CLKIN Low Time
10
%
12
%
ns
1, 2
T
CR
CLKIN Rise Time
1
8
1
8
ns
1, 3
T
CF
CLKIN Fall Time
1
8
1
8
ns
1, 3
OUTPUT CLOCK
T
CD
CLKIN to CLKOUT Delay
0
17
0
23
ns
1, 4
T
CLKOUT Period
2
*
T
C
2
*
T
C
ns
1
T
PH
CLKOUT High Time
(T/2)
b
5
(T/2)
a
5
(T/2)
b
5
(T/2)
a
5
ns
1
T
PL
CLKOUT Low Time
(T/2)
b
5
(T/2)
a
5
(T/2)
b
5
(T/2)
a
5
ns
1
T
PR
CLKOUT Rise Time
1
6
1
6
ns
1, 5
T
PF
CLKOUT Fall Time
1
6
1
6
ns
1, 5
OUTPUT DELAYS
T
CHOV1
ALE, S2:0, DEN, DT/R,
3
22
3
25
ns
1, 4, 6, 7
BHE (RFSH), LOCK,
A19:16
T
CHOV2
GCS0:7, LCS, UCS, NCS,
3
27
3
30
ns
1, 4, 6, 8
RD, WR
T
CLOV1
BHE (RFSH), DEN, LOCK,
3
22
3
25
ns
1, 4, 6
RESOUT, HLDA, T0OUT,
T1OUT, A19:16
T
CLOV2
RD, WR, GCS7:0, LCS,
3
27
3
30
ns
1, 4, 6
UCS, AD15:0 (AD7:0,
A15:8), NCS, INTA1:0, S2:0
T
CHOF
RD, WR, BHE (RFSH),
0
25
0
25
ns
1
DT/R, LOCK, S2:0, A19:16
T
CLOF
DEN, AD15:0 (AD7:0,
0
25
0
25
ns
1
A15:8)
30
