STM32F303XD Datasheet, PDF (108/173 Pages) STMicroelectronics – ARM Cortex-M4 32b MCU+FPU, up to 512KB Flash, 80KB SRAM, FSMC, 4 ADCs, 2 DAC ch., 7 comp, 4 Op-Amp, 2.0-3.6 V

Electrical characteristics
STM32F303xD STM32F303xE
Table 57. Switching characteristics for PC Card/CF read and write cycles
in attribute/common space⁽¹⁾
Symbol
Parameter
Min
Max
Unit
t_v(NCEx-A)
FMC_Ncex low to FMC_Ay valid
-
0
t_{h(NCEx_AI)}
FMC_NCEx high to FMC_Ax invalid
2.5
-
t_d(NREG-NCEx) FMC_NCEx low to FMC_NREG valid
-
2
t_h(NCEx-NREG) FMC_NCEx high to FMC_NREG invalid
0
-
t_d(NCEx-NWE) FMC_NCEx low to FMC_NWE low
-
5THCLK+2
t_w(NWE)
FMC_NWE low width
8THCLK 8THCLK+0.5
t_{d(NWE_NCEx)} FMC_NWE high to FMC_NCEx high
5THCLK-1
-
t_{v (NWE-D)}
FMC_NWE low to FMC_D[15:0] valid
-
5
t_{h (NWE-D)}
FMC_NWE high to FMC_D[15:0] invalid 4THCLK-1
-
ns
t_{d (D-NWE)}
FMC_D[15:0] valid before FMC_NWE
high
13THCLK-3
-
t_d(NCEx-NOE)
t_w(NOE)
t_{d(NOE_NCEx)}
t_{su (D-NOE)}
FMC_NCEx low to FMC_NOE low
FMC_NOE low width
FMC_NOE high to FMC_NCEx high
FMC_D[15:0] valid data before
FMC_NOE high
-
8THCLK-1
5THCLK-1
THCLK+2
5THCLK+2
8THCLK+2
-
-
t_h(NOE-D)
FMC_N0E high to FMC_D[15:0] invalid
0
-
1. Based on characterization, not tested in production.
108/173
DocID026415 Rev 5