Datasheet

DS6329 Rev 16 149/184
STM32F20xxx Electrical characteristics
183
Figure 73. NAND controller waveforms for common memory read access
Figure 74. NAND controller waveforms for common memory write access
Table 82. Switching characteristics for NAND Flash read cycles
(1)(2)
1. C
L
= 30 pF.
2. Guaranteed by characterization results, not tested in production.
Symbol Parameter Min Max Unit
t
w(N0E)
FSMC_NOE low width 4T
HCLK
- 1 4T
HCLK
+ 2 ns
t
su(D-NOE)
FSMC_D[15-0] valid data before FSMC_NOE high 9 - ns
t
h(NOE-D
) FSMC_D[15-0] valid data after FSMC_NOE high 3 - ns
t
d(ALE-NOE)
FSMC_ALE valid before FSMC_NOE low - 3T
HCLK
ns
t
h(NOE-ALE)
FSMC_NWE high to FSMC_ALE invalid 3T
HCLK
+ 2 - ns
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