P R E L I M I N A R Y
Alphabetical Key to Switching Parameter Symbols (continued)
Parameter Symbol
tCLCSV
tCLDOX
tCLDV
No.
16
30
7
Description
MCS/PCS Active Delay
Data Hold Time
Data Valid Delay
tCLDX
2
Data in Hold
tCLHAV
tCLRF
62
82
27
25
4
HLDA Valid Delay
CLKOUTA High to RFSH Invalid
RD Inactive Delay
tCLRH
tCLRL
RD Active Delay
tCLSH
Status Inactive Delay
tCLSRY
tCLTMV
tCOAOB
tCSHARYL
tCVCTV
tCVCTX
tCVDEX
tCXCSX
tDSHDIR
tDSHDIW
tDSHDX
tDSHLH
tDSLDD
tDSLDV
tDVCL
48
55
83
88
20
31
21
17
92
98
93
41
90
91
1
SRDY Transition Hold Time
Timer Output Delay
CLKOUTA to CLKOUTB Skew
Chip Select to ARDY Low
Control Active Delay 1
Control Inactive Delay
DEN Inactive Delay
MCS/PCS Hold from Command Inactive
DS High to Data Invalid—Read
DS High to Data Invalid—Write
DS High to Data Bus Turn-off Time
DS Inactive to ALE Inactive
DS Low to Data Driven
DS Low to Data Valid
Data in Setup
tDVDSL
tDXDL
97
19
58
53
54
86
23
10
13
61
84
57
85
29
59
94
28
Data Valid to DS Low
DEN Inactive to DT/R Low
HOLD Setup
tHVCL
tINVCH
tINVCL
tLCRF
Peripheral Setup Time
DRQ Setup Time
LCS Inactive to RFSH Active Delay
ALE High to Address Valid
ALE Width
tLHAV
tLHLL
tLLAX
AD Address Hold from ALE Inactive
Maximum PLL Lock Time
LCS Precharge Pulse Width
RES Setup Time
tLOCK
tLRLL
tRESIN
tRFCY
RFSH Cycle Time
tRHAV
RD Inactive to AD Address Active
RD High to Data Hold on AD Bus
RD High to Data Bus Turn-off Time
RD Inactive to ALE High
tRHDX
tRHDZ
tRHLH
Am186/188ES and Am186/188ESLV Microcontrollers
63
AMD [ AMD ]
