CY8C38 Datasheet, PDF (85/100 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC)

PRELIMINARY
PSoC^®3: CY8C38 Family Data Sheet
EM_ Addr
EM_ CEn
Figure 11-3. Asynchronous Write Cycle Timing
Taddrv
Address
Taddrh
Tcel
EM_ OEn
Twev
Twel
EM_ Data
Tdcev
Data
Table 11-64. Asynchronous Write Cycle Specifications
Parameter
Description
T
EMIF Clock period
Taddrv EM_CEn low to EM_Addr valid
Taddrh Address hold time after EM_WEn high
Tcel
EM_CEn low time
Twev
Twel
Tweh
Tdcev
Tdweh
EM_CEn low to EM_WEn low
EM_WEn low time
EM_WEn high to EM_CEn high hold time
EM_CEn low to data valid
Data hold time after EM_WEn high
Conditions
Tweh
Tdweh
Min
Typ
Max
Units
30.3
-
-
ns
-
-
5
ns
T+2
-
-
ns
2*T-1
-
2*T+2
ns
-5
-
5
ns
T-1
-
T+2
ns
T
-
-
ns
-
-
7
ns
T
-
-
ns
Document Number: 001-11729 Rev. *I
Page 85 of 100
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