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4.3.4
NAND Flash Controller AC Characteristics
No. Symbol
1
t
Access cycle
NC
t
2
low level width
NDRE
RP
t
3
data access time
NDRE
REA
t
4
Read data hold time
OH
5
t
low level width
NDWE
WP
6
t
Write data setup time
DS
t
7
Write data hold time
DH
AC measuring condition
Note1: The "n" in "Variable" means wait-number which is set to NDFMCR0<SPLW1:0>, and "m" means number which is
set to NDFMCR0<SPHW1:0>.
Example: If NDFMCR0<SPLW1:0> is set to "01", n=1, t
Note2: In above variable, the setting that result is minus can not use.
SDCLK
A0~A23
NDRE
NDWE
Read
cycle
D0~D7
D0~D15
NDRE
Write
NDWE
cycle
D0~D7
D0~D15
Parameter
t
SPLW1:0="01"
t
RP
t
REA
t
WP
92CZ26A-658
Variable
Min
Max
(2 + n + m ) T
(1.5 + n) T − 12
(1.5 + n) T − 15
0
(1.0 + n) T − 20
(1.0 + n) T − 20
(0.5 + m) T − 2
= (1.5 + n) T − 12 = 2.5T − 12
RP
CYC
SPHW1:0="01"
t
OH
Data input
t
DS
Data output
TMP92CZ26A
80 MHz
60 MHz
Unit
(n=3)
(n=3)
(m=3)
(m=3)
100
132
45
63
41
60
ns
0
0
30
47
30
47
42
56
t
DH
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