16-Bit High-Integration Embedded Processors Specification Sheet
80C186EA/80C188EA, 80L186EA/80L188EA
AC SPECIFICATIONS
AC CharacteristicsĂ80L186EA13/80L186EA8
Symbol Parameter Min Max Min Max Units Notes
INPUT CLOCK 13 MHz 8 MHz
T
F
CLKIN Frequency 0 26 0 16 MHz 1
T
C
CLKIN Period 38.5
%
62.5
%
ns 1
T
CH
CLKIN High Time 12
%
12
%
ns 1, 2
T
CL
CLKIN Low Time 12
%
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 45 0 95 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)
b
5ns1
T
PL
CLKOUT Low Time (T/2)
b
5 (T/2)
b
5ns1
T
PR
CLKOUT Rise Time 1 12 1 12 ns 1, 5
T
PF
CLKOUT Fall Time 1 12 1 12 ns 1, 5
OUTPUT DELAYS
T
CHOV1
ALE, LOCK 3 27 3 27 ns 1,4,6,7
T
CHOV2
MCS3:0, LCS, UCS, 332332ns1,4,
PCS6:0
,RD,WR 6, 8
T
CHOV3
S2:0 (DEN), DT/R, 330330ns1
BHE
(RFSH), A19:16
T
CLOV1
LOCK, RESOUT, HLDA, 3 27 3 27 ns 1, 4, 6
T0OUT, T1OUT
T
CLOV2
RD,WR, MCS3:0, LCS, 3 32 3 35 ns 1,4,6
UCS
, PCS6:0, INTA1:0
T
CLOV3
BHE (RFSH), DEN, A19:16 3 30 3 30 ns 1, 4, 6
T
CLOV4
AD15:0 (A15:8, AD7:0) 3 34 3 35 ns 1, 4, 6
T
CLOV5
S2:0 3 38 3 40 ns 1,4,6
T
CHOF
RD,WR, BHE (RFSH), 027027ns1
DT/R
, LOCK,
S2:0
, A19:16
T
CLOF
DEN, AD15:0
(A15:8, AD7:0) 0 27 0 27 ns 1
NOTES:
1. See AC Timing Waveforms, for waveforms and definition.
2. Measured at V
IH
for high time, V
IL
for low time.
3. Only required to guarantee I
CC
. Maximum limits are bounded by T
C
,T
CH
and T
CL
.
4. Specified for a 50 pF load, see Figure 13 for capacitive derating information.
5. Specified for a 50 pF load, see Figure 14 for rise and fall times outside 50 pF.
6. See Figure 14 for rise and fall times.
7. T
CHOV1
applies to BHE (RFSH), LOCK and A19:16 only after a HOLD release.
8. T
CHOV2
applies to RD and WR only after a HOLD release.
9. Setup and Hold are required to guarantee recognition.
10. Setup and Hold are required for proper operation.
11. T
CHOVS
applies to BHE (RFSH) and A19:16 only after a HOLD release.
12. Pin names in parentheses apply to the 80C188EA/80L188EA.
27
27