AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 79

• Manufacturer Part Number: AM186EM-20KC/W
• Description: High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
• Manufacturer: AMD [Advanced Micro Devices]

SWITCHING CHARACTERISTICS over COMMERCIAL operating range
Interrupt Acknowledge Cycle (33 MHz and 40 MHz)
Notes:
All timing parameters are measured at 1.5 V with 50 pF loading on CLKOUTA unless otherwise noted. All output test conditions
are with C
a Equal loading on referenced pins.
b This parameter applies to the INTA1–INTA0 signals.
c
General Timing Requirements
General Timing Responses
No.
10
11
12
15
19
20
21
22
23
31
68
1
2
3
4
7
8
9
This parameter applies to the DEN and DT/R signals.
Symbol
t
t
t
t
t
t
t
CVDEX
CHCTV
t
t
t
t
t
t
t
t
CVCTV
t
CVCTX
t
t
L
CHSV
CHDX
CHAV
DVCL
CLDX
CLSH
CLDV
CHLH
DXDL
LHAV
LHLL
CHLL
AVLL
CLAZ
= 50 pF. For switching tests, V
Data in Setup
Data in Hold
Status Active Delay
Status Inactive Delay
Data Valid Delay
Status Hold Time
ALE Active Delay
ALE Width
ALE Inactive Delay
AD Address Invalid to ALE
Low
AD Address Float Delay
DEN Inactive to DT/R Low
Control Active Delay 1
DEN Inactive Delay
Control Active Delay 2
ALE High to Address Valid
Control Inactive Delay
CLKOUTA High to A Address
Valid
Parameter
(a)
Description
Am186/188EM and Am186/188EMLV Microcontrollers
IL
(b)
= 0.45 V and V
(b)
(c)
(a)
P R E L I M I N A R Y
t
CLCL
t
CLAX
t
IH
CLCH
Min
–10=20
10
8
3
0
0
0
0
0
0
0
0
0
0
= 2.4 V, except at X1 where V
33 MHz
=0
Preliminary
Max
15
15
15
15
15
15
15
15
15
15
15
t
CLCL
t
CLAX
t
CLCH
Min
7.5
–5=20
5
2
0
0
0
0
0
0
0
0
0
0
40 MHz
=0
IH
= V
CC
Max
12
12
12
12
12
12
12
12
12
12
10
– 0.5 V.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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