Rainbow Electronics W90N745CDG - Manual (Page 394)

W90N745CD/W90N745CDG
- 390 -
7.3.2 EBI/(ROM/SRAM/External I/O) AC Characteristics
Address Valid
R Data
Write Data Vaild
MCLK
T
DO
nECS[3:0]
A[21:0]
nOE
D[31:0]
nWAIT
nWBE[3:0]
D[31:0]
T
NECSO
T
NECSO
T
ADDO
T
NOEO
T
NOEO
T
DSU T
DH
T
NWAH
T
NWBO
T
NWBO
T
NWASU
SYMBOL DESCRIPTION MIN MAX UNIT
T
ADDO
Address Output Delay Time 2 7 ns
T
NCSO
ROM/SRAM/Flash or External I/O Chip Select Delay
Time
2 7 ns
T
NOEO
ROM/SRAM or External I/O Bank Output Enable Delay 2 7 ns
T
NWBO
ROM/SRAM or External I/O Bank Write Byte Enable
Delay
2 7 ns
T
DH
Read Data Hold Time 7 ns
T
DSU
Read Data Setup Time 0 ns
T
DO
Write Data Output Delay Time (SRAM or External I/O) 2 7 ns
T
NWASU
External Wait Setup Time 3 ns
T
NWAH
External Wait Hold Time 1 ns