ia186em Innovasic Semiconductor Inc., ia186em Datasheet - Page 115

• Manufacturer Part Number: ia186em
• Description: 8-bit/16-bit Microcontrollers
• Manufacturer: Innovasic Semiconductor Inc.

IA186EM/IA188EM
8-Bit/16-Bit Microcontrollers
Table 86. PSRAM Write Cycle Timing
a
In nanoseconds.
No.
General Timing Requirements
General Timing Responses
Write Cycle Timing Responses
10
11
20
23
80
81
84
30
31
32
33
34
65
68
87
1
2
5
7
8
9
tDVCL
tCLDX
tCLAV
tCLDV
tCHDX
tCHLH
tLHLL
tCHLL
tCVCTV
tLHAV
tCLCLX
tCLCSL
tLRLL
tCLDOX
tCVCTX
tWLWH
tWHLH
tWHDX
tAVWL
tCHAV
tAVBL
Name
Data in Setup
Data in Hold
ad Address Valid Delay
Data Valid Delay
Status Hold Time
ale Active Delay
ale Width
ale Inactive Delay
Control Active Delay 1
ale High to Address Valid
lcs_n Inactive Delay
lcs_n Active Delay
lcs_n Precharge Pulse Width
Data Hold Time
Control Inactive Delay
wr_n Pulse Width
wr_n Inactive to ale High
Data Hold after wr_n
a Address Valid to wr_n Low
clkouta High to a Address Valid
a Address Valid to whb_n/wlb_n Low
®
Comment
UNCONTROLLED WHEN PRINTED OR COPIED
Page 115 of 145
IA211050831-16
tCLCL+ tCLCH
tCLCL+ tCHCL
tCHCL -1.5
tCLCH-5
2tCLCL
tCLCH
tCLCL
NULL
Min
7.5
10
0
0
0
0
0
0
0
0
0
0
0
a
NULL
Max
12
12
10
10
–
–
–
8
–
–
9
9
–
–
–
–
–
–
8
–
a
December 24, 2008
http://www.Innovasic.com
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