Datasheet
T
T
T
r
r
r
a
a
a
n
n
n
s
s
s
c
c
c
e
e
e
n
n
n
d
d
d
8
8
8
0
0
0
X
X
X
C
C
C
o
o
o
m
m
m
p
p
p
a
a
a
c
c
c
t
t
t
F
F
F
l
l
l
a
a
a
s
s
s
h
h
h
C
C
C
a
a
a
r
r
r
d
d
d
Transcend Information Inc.
11
t1 Address valid to IORD/IOWR setup
25 ns
t2 IORD/IOWR
70 ns
t2 IORD/IOWR register (8bit)
70 ns
t3 IOWR data setup
20 ns
t4 IOWR data hold
10 ns
t5 IORD data setup
20 ns
t6 IORD data hold
5 ns
t6Z IORD data tri-state
30 ns
t9 IORD/IOWR to address valid hold
10 ns
tRD Read data valid to IORDY active, if IORDY
initially low after tA
0 ns
tA IORDY setup time
35 ns
tB IORDY pulse width
1250 ns
tC IORDY assertion to release
5 ns
Read/write timing for NAND type flash
For the definition of parameters, please refer to Toshiba flash datasheet
Symbol Parameter Min. Max. Unit
tCLS FCLE setup time
0 ns
tCLH FCLE hold time
10 ns
tCS FCE# setup time
0 ns
tCH FCE# hold time
10 ns
tCEH FCE# high hold time
100 ns
tWP FWE# pulse width
25 ns
tALS FALE setup time
0 ns
tALH FALE hold time
10 ns
tDS Data Setup time
20 ns










