Cypress Semiconductor CY8C24894 Spezifikationen PDF herunterladen (Seite 28)

CY8C24894

Document Number: 001-53754 Rev. *F Page 28 of 50

AC GPIO Specifications

Tab le 18 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V and –40

°C  T

 85 °C, or 3.0 V to 3.6 V and –40 °C  T

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

for design guidance only.

Figure 5. GPIO Timing Diagram

Note

16. Specification derived from the accuracy of the Internal Main Oscillator (IMO) with appropriate trim for V

range.

Table 18. AC GPIO Specifications

Symbol Description Min Typ Max Units Notes

GPIO

GPIO operating frequency 0 – 12.96

[16]

MHz Normal Strong Mode

RISEF

Rise time, normal strong mode, Cload = 50 pF 3 – 18 ns V

= 4.5 to 5.25 V, 10% to 90%

FALLF

Fall time, normal strong mode, Cload = 50 pF 2 – 18 ns V

= 4.5 to 5.25 V, 10% to 90%

RISES

Rise time, slow strong mode, Cload = 50 pF 10 27 – ns V

= 3 to 5.25 V, 10% to 90%

FALLS

Fall time, slow strong mode, Cload = 50 pF 10 22 – ns V

= 3 to 5.25 V, 10% to 90%

TFallF

TFallS

TRiseF

TRiseS

90%

10%

GPIO

Output

Voltage

FALLS

FALLF

RISES

RISEF

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 49 50

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