AM186ER-25KCW AMD [Advanced Micro Devices], AM186ER-25KCW Datasheet - Page 73
AM186ER-25KCW
Manufacturer Part Number
AM186ER-25KCW
Description
High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM186ER-25KCW.pdf
(112 pages)
- Current page: 73 of 112
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Switching Characteristics over Commercial and Industrial Operating Ranges
Write Cycle (25 MHz and 33 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 DEN, INTA1–INTA0, WR, WHB, and WLB signals.
General Timing Responses
Write Cycle Timing Responses
No.
10
11
12
13
14
16
17
18
19
20
23
30
31
32
33
34
35
65
67
68
87
3
4
5
7
8
9
Symbol Description
t
t
t
t
t
t
t
t
t
t
t
WHDEX
t
t
CXCSX
CHCSX
t
CHCSV
t
t
t
t
t
t
CLCSV
t
CVCTV
t
CLDOX
CVCTX
t
t
t
t
WLWH
t
WHLH
WHDX
CHSV
CHDX
AVWL
CLSH
CLDV
CHLH
CHLL
AVCH
DXDL
CHAV
CLAV
LHLL
LLAX
LHAV
AVBL
AVLL
Status Active Delay
Status Inactive Delay
AD Address Valid Delay
Data Valid Delay
Status Hold Time
ALE Active Delay
ALE Width
ALE Inactive Delay
AD Address Valid to ALE Low
AD Address Hold from ALE Inactive
AD Address Valid to Clock High
MCS/PCS Active Delay
MCS/PCS Hold from Command
Inactive
MCS/PCS Inactive Delay
DEN Inactive to DT/R Low
Control Active Delay 1
ALE High to Address Valid
Data Hold Time
Control Inactive Delay
WR Pulse Width
WR Inactive to ALE High
Data Hold after WR
WR Inactive to DEN Inactive
A Address Valid to WR Low
CLKOUTA High to LCS/UCS Valid
CLKOUTA High to A Address Valid
A Address Valid to WHB, WLB Low
Parameter
(a)
Am186
L
=50 pF. For switching tests, V
(a)
TM
(b)
ER and Am188
(b)
CC
(a)
/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All
(a)
(a)
(a)
(a)
TM
ER Microcontrollers Data Sheet
t
2t
CLCL
t
t
CLCL
CLCL
CLCL
IL
t
t
t
CLCH
CLCH
CHCL
=0.3 V and V
t
t
t
+t
CLCH
CHCL
CLCH
Min
–10=30
15
–10=30
–10=70
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25 MHz
CHCL
–2
–3
–3
–3
IH
Preliminary
Max
20
20
20
20
20
20
20
20
20
20
20
20
20
=V
CC
–0.3 V.
t
2t
CLCL
t
t
CLCL
CLCL
CLCL
t
t
t
CLCH
CLCH
CHCL
t
t
t
+t
CLCH
CHCL
CLCH
Min
–10=20
–10=20
10
0
0
0
0
0
0
0
0
0
0
0
0
–10=50
0
0
33 MHz
CHCL
–2
–5
–3
–3
Max Unit
15
15
15
15
15
15
15
15
15
15
15
15
15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
73
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