80C186EC/188EC, 80L186EC/188EC
AC CharacteristicsÐ80L186EC13
Symbol
Parameter
Min
Max
Unit
Notes
INPUT CLOCK
13 MHz
T
T
T
T
T
T
CLKIN Frequency
CLKIN Period
0
38.5
15
15
1
26
%
%
%
10
10
MHz
ns
1
F
1
C
CLKIN High Time
CLKIN Low Time
CLKIN Rise Time
CLKIN Fall Time
ns
ns
1, 2
1, 2
1, 3
1, 3
CH
CL
CR
CF
ns
ns
1
OUTPUT CLOCK
T
T
T
T
T
T
CLKIN to CLKOUT Delay
CLKOUT Period
0
20
ns
ns
ns
ns
ns
ns
1, 4
1
CD
2 * TC
b
b
a
a
CLKOUT High Time
CLKOUT Low Time
CLKOUT Rise Time
CLKOUT Fall Time
(T/2)
(T/2)
5
5
(T/2)
(T/2)
5
5
1
PH
PL
PR
PF
1
1
10
10
1, 5
1, 5
1
OUTPUT DELAYS
T
T
S2:0, DT/R, BHE, LOCK
3
3
28
32
ns
ns
1, 4, 6, 7
1, 4, 6, 8
CHOV1
CHOV2
LCS, UCS, DEN, A19:16, RD, WR, NCS,
WDTOUT, ALE
T
T
T
GCS7:0
3
3
3
34
28
32
ns
ns
ns
1, 4, 6
1, 4, 6
1, 4, 6
CHOV3
CLOV1
CLOV2
LOCK, RESOUT, HLDA, T0OUT, T1OUT
RD, WR, AD15:0 (AD7:0, A15:8), BHE
(RFSH), NCS, INTA, DEN
T
T
T
GSC7:0, LCS, UCS
S2:0, A19:16
3
3
0
34
37
30
ns
ns
ns
1, 4, 6
1, 4, 6
1
CLOV3
CLOV4
CHOF
RD, WR, BHE (RFSH), DT/R, LOCK,
S2:0, A19:16
T
DEN, AD15:0 (AD7:0, A15:8)
0
35
ns
1
CLOF
INPUT REQUIREMENTS
T
TEST, NMI, T1IN, T0IN, READY,
CTS1:0, BCLK1:0, P3.4, P3.5
20
3
ns
ns
1, 9
1, 9
CHIS
T
TEST, NMI, T1IN, T0IN, READY,
CTS1:0, BCLK1:0, P3.4, P3.5
CHIH
T
T
T
T
AD15:0 (AD7:0), READY
20
3
ns
ns
ns
ns
1, 10
1, 10
1, 9
CLIS
CLIH
CLIS
CLIH
AD15:0 (AD7:0), READY
HOLD, RESIN, PEREQ, ERROR, DRQ3:0
HOLD, RESIN, REREQ, ERROR, DRQ3:0
20
3
1, 9
NOTES:
1. See AC Timing Waveforms, for waveforms and definition.
2. Measure at V for high time, V for low time.
IH IL
3. Only required to guarantee I . Maximum limits are bounded by T , T
C
and T
.
CL
CC
CH
4. Specified for a 50 pF load, see Figure 14 for capacitive derating information.
5. Specified for a 50 pF load, see Figure 15 for rise and fall times outside 50 pF.
33
INTEL [ INTEL ]
