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AM186ED Datasheet, PDF (61/88 Pages) Advanced Micro Devices – High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers
PRELIMINARY
Numerical Key to Switching Parameter Symbols
No.
Parameter Symbol
Description
1
tDVCL
Data in Setup
2
tCLDX
Data in Hold
3
tCHSV
Status Active Delay
4
tCLSH
Status Inactive Delay
5
tCLAV
AD Address Valid Delay and BHE
6
tCLAX
Address Hold
7
tCLDV
Data Valid Delay
8
tCHDX
Status Hold Time
9
tCHLH
ALE Active Delay
10
tLHLL
ALE Width
11
tCHLL
ALE Inactive Delay
12
tAVLL
AD Address Valid to ALE Low
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
tLLAX
tAVCH
tCLAZ
tCLCSV
tCXCSX
tCHCSX
tDXDL
tCVCTV
tCVDEX
tCHCTV
tLHAV
tAZRL
tCLRL
tRLRH
tCLRH
DtRHLH
tRHAV
tCLDOX
tCVCTX
tWLWH
AD Address Hold from ALE Inactive
AD Address Valid to Clock High
AD Address Float Delay
MCS/PCS Active Delay
MCS/PCS Hold from Command Inactive
MCS/PCS Inactive Delay
DEN Inactive to DT/R Low
Control Active Delay 1
F DEN Inactive Delay
Control Active Delay 2
ALE High to Address Valid
AD Address Float to RD Active
A RD Active Delay
RD Pulse Width
RD Inactive Delay
RRD Inactive to ALE High
RD Inactive to AD Address Active
Data Hold Time
Control Inactive Delay
WR Pulse Width
T
33
tWHLH
WR Inactive to ALE High
34
tWHDX
Data Hold after WR
35
tWHDEX
WR Inactive to DEN Inactive
36
tCKIN
X1 Period
37
tCLCK
X1 Low Time
38
tCHCK
X1 High Time
39
tCKHL
X1 Fall Time
40
tCKLH
X1 Rise Time
41
tDSHLH
DS Inactive to ALE Inactive
42
tCLCL
CLKOUTA Period
Am186ED/EDLV Microcontrollers
61