AM186ER-25KCW AMD [Advanced Micro Devices], AM186ER-25KCW Datasheet - Page 88

• Manufacturer Part Number: AM186ER-25KCW
• Description: High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
• Manufacturer: AMD [Advanced Micro Devices]

Switching Characteristics over Commercial Operating Ranges
Interrupt Acknowledge Cycle (40 MHz and 50 MHz)
Notes:
All timing parameters are measured at V
output test conditions are with C
a Testing is performed with equal loading on referenced pins.
b This parameter applies to the INTA1–INTA0 signals.
c
88
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
t
t
t
CVCTV
CVDEX
CHCTV
CVCTX
t
t
t
t
t
t
t
t
CHDX
CLDX
CHSV
CLSH
CHLH
DXDL
CHAV
DVCL
CLDV
CHLL
CLAZ
LHAV
LHLL
AVLL
Description
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
Am186
L
=50 pF. For switching tests, V
TM
ER and Am188
CC
(b)
/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All
(b)
(c)
(a)
(a)
TM
t
CLCL
ER Microcontrollers Data Sheet
t
CLAX
t
CLCH
IL
Min
7.5
–5=20
5
2
0
0
0
0
0
0
0
0
0
0
=0.3 V and V
40 MHz
=0
Max
Preliminary
12
12
12
12
12
12
12
14
12
12
10
IH
=V
CC
–0.3 V.
t
CLCH
Min
15
5
2
0
0
0
0
0
0
0
0
0
5
0
0
50 MHz
Max
10
10
10
10
12
10
10
14
10
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns