IA186EM/IA188EM
Data Sheet
8-Bit/16-Bit Microcontrollers
February 25, 2011
Table 81. Alphabetic Key to Waveform Parameters
No. Name
tARYCH
Description
49
51
52
87
14
12
66
65
24
45
68
38
44
67
18
22
64
63
8
ardy Resolution Transition Setup Time
tARYCHL ardy Inactive Holding Time
tARYLCL ardy Setup Time
tAVBL
tAVCH
tAVLL
tAVRL
tAVWL
tAZRL
a Address Valid to whb_n/wlb_n Low
ad Address Valid to Clock High
ad Address Valid to ale Low
a Address Valid to rd_n Low
a Address Valid to wr_n Low
ad Address Float to rd_n Active
tCH1CH2 clkouta Rise Time
tCHAV
tCHCK
tCHCL
tCHCSV
tCHCSX
tCHCTV
tCHCV
tCHCZ
tCHDX
tCHLH
tCHLL
clkouta High to a Address Valid
x1 High Time
clkouta High Time
clkouta High to lcs_n/usc_n Valid
mcs_n/pcs_n Inactive Delay
Control Active Delay 2
Command Lines Valid Delay (after Float)
Command Lines Float Delay
Status Hold Time
9
ale Active Delay
ale Inactive Delay
11
79
3
tCHRFD
tCHSV
tCICOA
tCICOB
tCKHL
clkouta High to rfsh_n Valid
Status Active Delay
x1 to clkouta Skew
x1 to clkoutb Skew
x1 Fall Time
69
70
39
36
40
46
50
5
tCKIN
x1 Period
tCKLH
x1 Rise time
tCL2CL1
tCLARX
tCLAV
clkouta Fall Time
ardy Active Hold Time
ad Address Valid Delay
Address Hold
6
tCLAX
15
43
37
42
80
81
16
30
tCLAZ
ad Address Float Delay
clkouta Low Time
x1 Low Time
tCLCH
tCLCK
tCLCL
tCLCLX
tCLCSL
tCLCSV
tCLDOX
clkouta Period
lcs_n Inactive Delay
lcs_n Active Delay
mcs_n/pcs_n Inactive Delay
Data Hold Time
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