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22.5.12 NAND Flash Memory Interface AC Characteristics
Parameter
ND_ALE Output Delay time
ND_CLE Output Delay time
ND_CE* Output Delay time
ND_RE* Output Delay time
ND_WE* Output Delay time
DATA[7:0] Read Setup time
DATA[7:0] Read Hold time
DATA[7:0] Write Delay time
DATA[7:0] Write Hold time
GBUSCLK
ND_ALE, ND_CLE
ND_CE*, ND_RE*
ND_WE*
ND_RE*
DATA[7:0]
ND_WE*
DATA[7:0]
Figure 22.5.14 Timing Diagrams: NAND Flash Memory Interface
Chapter 22 Electrical Characteristics
(Tc = 0 ~ 70°C, V
CCIO
Symbol
t
VAL_NDALE
t
VAL_NDCLE
t
VAL_NDCE
t
VAL_NDRE
t
VAL_NDWE
t
SU_RDATA
t
HO_RDATA
t
VAL_WDATA
t
HO_WDATA
t
VAL_ND*
t
t
SU_RDATA
HO_RDATA
inputs valid
t
t
VAL_WDATA
outputs valid
22-13
= 3.3 V ± 0.3 V, V
= 1.5 V ± 0.1 V, V
CCInt
Rating
Min.
⎯
⎯
⎯
⎯
⎯
8.5
1.0
⎯
1.0
HO_WDATA
= 0 V)
SS
Max.
Unit
9.5
ns
9.5
ns
9.5
ns
9.5
ns
9.5
ns
⎯
ns
⎯
ns
9.5
ns
⎯
ns
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