STM32L476XX Datasheet, PDF (203/232 Pages) STMicroelectronics – Ultra-low-power with FlexPowerControl

STM32L476xx
Electrical characteristics
Figure 43. Synchronous non-multiplexed NOR/PSRAM read timings
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Table 100. Synchronous non-multiplexed NOR/PSRAM read timings⁽¹⁾⁽²⁾
Symbol
Parameter
Min
Max Unit
t_w(CLK)
t_d(CLKL-NExL)
t_d(CLKH-NExH)
t_{d(CLKL-NADVL)}
t_{d(CLKL-NADVH)}
t_d(CLKL-AV)
t_d(CLKH-AIV)
t_d(CLKL-NOEL)
t_d(CLKH-NOEH)
t_su(DV-CLKH)
t_h(CLKH-DV)
t_{su(NWAIT-CLKH)}
t_{h(CLKH-NWAIT)}
FMC_CLK period
FMC_CLK low to FMC_NEx low (x=0..2)
FMC_CLK high to FMC_NEx high (x= 0…2)
FMC_CLK low to FMC_NADV low
FMC_CLK low to FMC_NADV high
FMC_CLK low to FMC_Ax valid (x=16…25)
FMC_CLK high to FMC_Ax invalid (x=16…25)
FMC_CLK low to FMC_NOE low
FMC_CLK high to FMC_NOE high
FMC_D[15:0] valid data before FMC_CLK high
FMC_D[15:0] valid data after FMC_CLK high
FMC_NWAIT valid before FMC_CLK high
FMC_NWAIT valid after FMC_CLK high
2T_HCLK
-
T_HCLK-0.5
-
0.5
-
T_HCLK
-
T_HCLK-0.5
0
5
0
4
-
2.5
-
2
-
3.5
-
ns
2
-
-
-
-
-
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