CY8C3865LTI-059 datasheet(73/129 Pages) CYPRESS

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PSoC® 3: CY8C38 Family

Data Sheet

Document Number: 001-11729 Rev. *R

Page 73 of 129

11.1 Inputs and Outputs

Specifications are valid for –40 °C

≤ TA ≤ 85 °C and TJ ≤ 100 °C, except where noted. Specifications are valid for 1.71 V to 5.5 V,

except where noted. Unless otherwise specified, all charts and graphs show typical values.

11.1.1 GPIO

Figure 11-13. GPIO Output High Voltage and Current

Figure 11-14. GPIO Output Low Voltage and Current

Note

30. Based on device characterization (Not production tested).

Table 11-9. GPIO DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

VIH

Input voltage high threshold

CMOS Input, PRT[×]CTL = 0

0.7

× VDDIO

––

VIL

Input voltage low threshold

CMOS Input, PRT[×]CTL = 0

–

0.3

× VDDIO

VIH

Input voltage high threshold

LVTTL Input, PRT[×]CTL = 1,

VDDIO < 2.7 V

0.7 × VDDIO

––

VIH

Input voltage high threshold

LVTTL Input, PRT[×]CTL = 1,

VDDIO ≥ 2.7V

2.0

–

VIL

Input voltage low threshold

LVTTL Input, PRT[×]CTL = 1,

VDDIO < 2.7 V

–

0.3 × VDDIO

VIL

Input voltage low threshold

LVTTL Input, PRT[×]CTL = 1,

VDDIO ≥ 2.7V

––

0.8

VOH

Output voltage high

IOH = 4 mA at 3.3 VDDIO

VDDIO – 0.6

–

IOH = 1 mA at 1.8 VDDIO

VDDIO – 0.5

–

VOL

Output voltage low

IOL = 8 mA at 3.3 VDDIO

––

0.6

IOL = 4 mA at 1.8 VDDIO

––

0.6

Rpullup

Pull-up resistor

3.5

5.6

8.5

Rpulldown Pull-down resistor

3.5

5.6

8.5

IIL

Input leakage current (absolute value)[30]

25 °C, VDDIO = 3.0 V

–

CIN

Input capacitance[30]

GPIOs without opamp outputs

–

GPIOs with opamp outputs

–

Input voltage hysteresis (Schmitt-Trigger)[30]

–40

–

Idiode

Current through protection diode to VDDIO and

VSSIO

––

100

µA

Rglobal

Resistance pin to analog global bus

25 °C, VDDIO = 3.0 V

–

320

–

Rmux

Resistance pin to analog mux bus

25 °C, VDDIO = 3.0 V

–

220

–

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