P R E L I M I N A R Y
Alphabetical Key to Switching Parameter Symbols
Parameter Symbol
tARYCH
tARYCHL
tARYHDSH
tARYHDV
tARYLCL
tARYLDSH
tAVBL
No.
49
51
95
89
52
96
87
14
12
66
65
24
45
68
38
44
67
18
22
64
63
8
Description
ARDY Resolution Transition Setup Time
ARDY Inactive Holding Time
ARDY High to DS High
ARDY Assert to Data Valid
ARDY Setup Time
ARDY Low to DS High
A Address Valid to WHB, WLB Low
AD Address Valid to Clock High
AD Address Valid to ALE Low
A Address Valid to RD Low
A Address Valid to WR Low
AD Address Float to RD Active
CLKOUTA Rise Time
tAVCH
tAVLL
tAVRL
tAVWL
tAZRL
tCH1CH2
tCHAV
CLKOUTA High to A Address Valid
X1 High Time
tCHCK
tCHCL
CLKOUTA High Time
tCHCSV
tCHCSX
tCHCTV
tCHCV
CLKOUTA High to LCS/UCS Valid
MCS/PCS Inactive Delay
Control Active Delay 2
Command Lines Valid Delay (after Float)
Command Lines Float Delay
Status Hold Time
tCHCZ
tCHDX
tCHLH
9
ALE Active Delay
tCHLL
11
79
3
ALE Inactive Delay
tCHRFD
tCHSV
CLKOUTA High to RFSH Valid
Status Active Delay
tCICOA
tCICOB
tCKHL
69
70
39
36
40
46
50
5
X1 to CLKOUTA Skew
X1 to CLKOUTB Skew
X1 Fall Time
tCKIN
X1 Period
tCKLH
X1 Rise Time
tCL2CL1
tCLARX
tCLAV
CLKOUTA Fall Time
ARDY Active Hold Time
AD Address Valid Delay
Address Hold
tCLAX
6
tCLAZ
15
43
37
42
80
81
AD Address Float Delay
CLKOUTA Low Time
tCLCH
tCLCK
X1 Low Time
tCLCL
CLKOUTA Period
tCLCLX
tCLCSL
LCS Inactive Delay
LCS Active Delay
62
Am186/188ES and Am186/188ESLV Microcontrollers