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CS22220 Datasheet(PDF) 29 Page - Cirrus Logic

Part # CS22220
Description  WIRELESS PCI/USB CONTROLLER
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS22220 Datasheet(HTML) 29 Page - Cirrus Logic

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CS22220 Wireless PCMCIA Controller
29 of 34
DS557PP2
Rev. 3.0
www.cirrus.com
Table 11. Common Memory ‘Write’ Timing Specification
100 ns
Speed Version
Item
Symbol
Min
Max
Write Cycle time
tcW
100
Write Pulse Width
tw (WE)
60
Address Setup Time
tsu (A)
10
Address Setup Time for PC_NWE
tsu (A-WEH)
70
Card Enable Setup Time for PC_NWE
tsu (CE-WEH)
70
Data Setup time for PC_NWE
tsu (D-WEH)
40
Data Hold Time
th (D)
15
Write Recovery Time
trec (WE)
15
Output Disable Time from PC_NWE
tdis (WE)
50
Output Disable Time from PC_NOE
tdis (OE)
50
Output Enable Time from PC_NWE
ten (WE)
5
Output Enable Time from PC_NOE
ten (OE)
5
Output Enable Setup from PC_NWE
tsu (OE-WE)
10
Output Enable Hold from PC_NWE
th (OE-WE)
10
Card Enable Setup Time
tsu (CE)
0
Card Enable Hold Time
th (CE)
15
PC_NWAIT Valid from PC_NWE
tv (WT-WE)
35
PC_NWAIT Pulse Width
tw (WT)
12 us
PC_NWE High from PC_NWAIT Released
0
Table 12. Attribute Memory ‘Write’ Timing Specification
600 ns
Speed Version
Item
Symbol
Min
Max
Write Cycle time
tcW
600
Write Pulse Width
tw (WE)
300
Address Setup Time
tsu (A)
50
Address Setup Time for PC_NWE
tsu (A-WEH)
350
Card Enable Setup Time for PC_NWE
tsu (CE-WEH)
300
Data Setup time for PC_NWE
tsu (D-WEH)
150
Data Hold Time
th (D)
70
Write Recovery Time
trec (WE)
70
Output Disable Time from PC_NWE
tdis (WE)
150
Output Disable Time from PC_NOE
tdis (OE)
150
Output Enable Time from PC_NWE
ten (WE)
5
Output Enable Time from PC_NOE
ten (OE)
5
Output Enable Setup from PC_NWE
tsu (OE-WE)
35
Output Enable Hold from PC_NWE
th (OE-WE)
35
Card Enable Setup Time
tsu (CE)
0
Card Enable Hold Time
th (CE)
35
PC_NWAIT Valid from PC_NWE
tv (WT-WE)
100
PC_NWAIT Pulse Width
tw (WT)
12 us
PC_NWE High from PC_NWAIT Released
0



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