AM186ES Advanced Micro Devices, AM186ES Datasheet - Page 81

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AM186ES

Manufacturer Part Number
AM186ES
Description
microcontrollers provide a low-cost/ high-performance solution for embedded system designers who wish to use the x86 architecture.
Manufacturer
Advanced Micro Devices
Datasheets

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Switching Characteristics over Commercial and Industrial Operating Ranges
PSRAM 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, WR, WHB and WLB signals.
General Timing Responses
Write Cycle Timing Responses
No.
10
11
23
20
80
81
84
30
31
32
33
34
65
68
87
5
7
8
9
Symbol Description
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CVCTV
CLDOX
CVCTX
t
t
CLCLX
CLCSL
t
WLWH
t
WHLH
WHDX
CHDX
AVWL
CLDV
CHLH
CHAV
CLAV
CHLL
LHAV
AVBL
LHLL
LRLL
AD Address Valid Delay
Data Valid Delay
Status Hold Time
ALE Active Delay
ALE Width
ALE Inactive Delay
ALE High to Address Valid
Control Active Delay 1
LCS Inactive Delay
LCS Active Delay
LCS Precharge Pulse Width
Data Hold Time
Control Inactive Delay
WR Pulse Width
WR Inactive to ALE High
Data Hold after WR
A Address Valid to WR Low
CLKOUTA High to A
Address Valid
A Address Valid to WHB, WLB
Low
Parameter
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
t
CLCL
t
2t
CLCL
t
t
CLCL
CLCL
CLCL
TM
t
t
CLCH
CHCL
ER Microcontrollers Data Sheet
+ t
+t
Min
–10=30
–10=30
15
0
0
0
0
0
0
0
0
–10=70
0
25 MHz
CHCL
CLCH
IL
–2
–3
=0.3 V and V
–3
–3
Preliminary
Max
20
20
20
20
20
20
20
20
20
20
IH
=V
CC
t
CLCL
t
2t
–0.3 V.
CLCL
t
t
CLCL
CLCL
CLCL
t
t
CLCH
CHCL
+ t
+t
Min
–10=20
–10=20
10
–10=50
0
0
0
0
0
0
0
0
0
33 MHz
CHCL
CLCH
–2
–3
–3
–3
Max
15
15
15
15
15
15
15
15
15
15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
81

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