Cypress Semiconductor enCoRe CY7C64215 Manual do Utilizador descarregar pdf (Página 23)

CY7C64215

Document Number: 38-08036 Rev. *E Page 23 of 33

AC General Purpose I/O Specifications

The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V

and –40°C <

< 85°C, or 3.15V to 3.5V and –40°C < T

< 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and

are for design guidance only.

Figure 7. GPIO Timing Diagram

AC Full Speed USB Specifications

The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V

and –40°C <

< 85°C, or 3.15V to 3.5V and –40°C < T

< 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and

are for design guidance only.

Table 19. AC GPIO Specifications

Parameter Description Min Typ Max Unit Notes

GPIO

GPIO Operating Frequency 0 – 12 MHz Normal Strong Mode

TRiseF Rise Time, Normal Strong Mode, Cload = 50 pF 3 – 18 ns Vdd = 4.5 to 5.25V, 10%–90%

TFallF Fall Time, Normal Strong Mode, Cload = 50 pF 2 – 18 ns Vdd = 4.5 to 5.25V, 10%–90%

TRiseS Rise Time, Slow Strong Mode, Cload = 50 pF 10 27 – ns Vdd = 3 to 5.25V, 10%–90%

TFallS Fall Time, Slow Strong Mode, Cload = 50 pF 10 22 – ns Vdd = 3 to 5.25V, 10%–90%

Table 20. AC Full Speed (12 Mbps) USB Specifications

Parameter Description Min Typ Max Unit Notes

RFS

Transition Rise Time 4 – 20 ns For 50 pF load.

FSS

Transition Fall Time 4 – 20 ns For 50 pF load.

RFMFS

Rise/Fall Time Matching: (T

)90– 111 % For 50 pF load.

DRATEFS

Full Speed Data Rate 12 – 0.25% 12 12 + 0.25% Mbps

TFallF

TFallS

TRiseF

TRiseS

90%

10%

GPIO

Output

Voltage

[+] Feedback

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