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BCM43236BKMLG Datasheet, PDF (38/43 Pages) Cypress Semiconductor – 2.4 GHz/5 GHz IEEE802.11n MAC/PHY/Radio Chip
BCM43236/BCM43236B Preliminary Data Sheet
Serial Flash Timing Diagram
Serial Flash Timing Diagram
Figure 10: Serial Flash Timing Diagram (STMicroelectronics-Compatible)
tCS
SFLASH_CS_L
SFLASH_C
tCSS
tWL
tWH
tSU
tH
tR
tF
tCSH
SFLASH_Q
VALID IN
SFLASH_D
High Impedance
tV
tHO
VALID ON
High Impedance
Table 19: Serial Flash Timing
Parameter Descriptions
fSCK
tWH
tWL
tR, tFa
tCSS
tCS
tCSH
tSU
tH
tHO
tV
Serial flash clock frequency
Serial flash clock high time
Serial flash clock low time
Clock rise and fall timesb
Chip select active setup time
Chip select deselect time
Chip select hold time
Data input setup time
Data input hold time
Data output hold time
Clock low to output valid
a. tR and tF are expressed as a slew-rate.
b. Peak-to-peak
Minimum Typical
–
12.5
9
–
9
–
TBD
–
5
–
100
–
5
–
2
–
5
–
0
–
–
–
Maximum
66
–
–
–
Units
MHz
ns
ns
V/ns
–
ns
–
ns
–
ns
–
ns
–
ns
–
ns
8
ns
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September 16, 2013 • 43236_43236B-DS103-R
Page 37