80C186EC/188EC, 80L186EC/188EC
AC SPECIFICATIONS
AC CharacteristicsÐ80C186EC25 (Continued)
25 MHz
Symbol
Parameter
Units
Notes
Min
Max
SYNCHRONOUS INPUTS
T
TEST, NMI, INT4:0, BCLK1:0, T1:0IN, READY, CTS1:0,
P2.6, P2.7
10
ns
1, 9
CHIS
T
T
T
T
T
TEST, NMI, INT4:0, BCLK1:0, T1:0IN, READY, CTS1:0
AD15:0 (AD7:0), READY
3
10
3
ns
ns
ns
ns
ns
1, 9
1, 10
1, 10
1, 9
CHIH
CLIS
CLIH
CLIS
CLIH
READY, AD15:0 (AD7:0)
HOLD, PEREQ, ERROR
10
3
HOLD, PEREQ, ERROR
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 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
8. T
applies to BHE (RFSH), LOCK and A19:16 only after a HOLD release.
applies to RD and WR only after a HOLD release.
CHOV1
CHOV2
9. Setup and Hold are required to guarantee recognition.
10. Setup and Hold are required for proper operation.
31
INTEL [ INTEL ]
