P R E L I M I N A R Y
Numerical Key to Switching Parameter Symbols
No.
1
Parameter Symbol
tDVCL
Description
Data in Setup
2
tCLDX
Data in Hold
3
tCHSV
tCLSH
Status Active Delay
4
Status Inactive Delay
AD Address Valid Delay
Address Hold
5
tCLAV
6
tCLAX
7
tCLDV
Data Valid Delay
8
tCHDX
tCHLH
Status Hold Time
9
ALE Active Delay
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
tLHLL
ALE Width
tCHLL
ALE Inactive Delay
tAVLL
AD Address Valid to ALE Low
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
DEN Inactive Delay
tLLAX
tAVCH
tCLAZ
tCLCSV
tCXCSX
tCHCSX
tDXDL
tCVCTV
tCVDEX
tCHCTV
tLHAV
Control Active Delay 2
ALE High to Address Valid
AD Address Float to RD Active
RD Active Delay
tAZRL
tCLRL
tRLRH
RD Pulse Width
tCLRH
RD Inactive Delay
tRHLH
RD Inactive to ALE High
RD Inactive to AD Address Active
Data Hold Time
tRHAV
tCLDOX
tCVCTX
tWLWH
tWHLH
tWHDX
tWHDEX
tCKIN
Control Inactive Delay
WR Pulse Width
WR Inactive to ALE High
Data Hold after WR
WR Inactive to DEN Inactive
X1 Period
tCLCK
X1 Low Time
tCHCK
tCKHL
X1 High Time
X1 Fall Time
tCKLH
X1 Rise Time
tDSHLH
tCLCL
DS Inactive to ALE Inactive
CLKOUTA Period
Am186/188ES and Am186/188ESLV Microcontrollers
65
AMD [ AMD ]
