W90N745CD Datasheet, PDF (395/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
7.3.2 EBI/(ROM/SRAM/External I/O) AC Characteristics
MCLK
nECS[3:0]
A[21:0]
T_NECSO
T_ADDO
Address Valid
T_NECSO
nOE
D[31:0]
nWAIT
nWBE[3:0]
D[31:0]
T_NOEO
T_NOEO
T_DSU
R Data
T_DH
T_NWASU T_NWAH
T_NWBO
T_DO
T_NWBO
Write Data Vaild
SYMBOL
T_ADDO
T_NCSO
T_NOEO
T_NWBO
T_DH
T_DSU
T_DO
T_NWASU
T_NWAH
DESCRIPTION
MIN MAX UNIT
Address Output Delay Time
2
7
ns
ROM/SRAM/Flash or External I/O Chip Select Delay
Time
2
7
ns
ROM/SRAM or External I/O Bank Output Enable Delay
2
7
ns
ROM/SRAM or External I/O Bank Write Byte Enable
Delay
2
7
ns
Read Data Hold Time
7
ns
Read Data Setup Time
0
ns
Write Data Output Delay Time (SRAM or External I/O)
2
7
ns
External Wait Setup Time
3
ns
External Wait Hold Time
1
ns
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