CY8C3865LTI-059 datasheet(75/129 Pages) CYPRESS

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PSoC® 3: CY8C38 Family

Data Sheet

Document Number: 001-11729 Rev. *R

Page 75 of 129

11.1.2 SIO

Notes

32. See Figure 6-9 on page 35 and Figure 6-12 on page 38 for more information on SIO reference.

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

Table 11-11. SIO DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

Vinmax

Maximum input voltage

All allowed values of Vddio and

Vddd, see Section 11.2.1

––

5.5

Vinref

Input voltage reference

(Differential input mode)

0.5

–

0.52

× VDDIO

Voutref

Output voltage reference (Regulated output mode)

VDDIO > 3.7

–

VDDIO – 1

VDDIO < 3.7

–

VDDIO – 0.5

VIH

Input voltage high threshold

GPIO mode

CMOS input

0.7

× VDDIO

––

Differential input mode[32]

Hysteresis disabled

SIO_ref + 0.2

–

VIL

Input voltage low threshold

GPIO mode

CMOS input

–

0.3

× VDDIO

Differential input mode[32]

Hysteresis disabled

–

SIO_ref – 0.2

VOH

Output voltage high

Unregulated mode

IOH = 4 mA, VDDIO = 3.3 V

VDDIO – 0.4

–

Regulated mode[32]

IOH = 1 mA

SIO_ref – 0.65

–

SIO_ref + 0.2

Regulated mode[32]

IOH = 0.1 mA

SIO_ref – 0.3

–

SIO_ref + 0.2

VOL

Output voltage low

VDDIO = 3.30 V, IOL = 25 mA

–

0.8

VDDIO = 1.80 V, IOL = 4 mA

–

0.4

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)[33]

VIH < Vddsio

25 °C, Vddsio = 3.0 V, VIH = 3.0 V

–

VIH > Vddsio

25 °C, Vddsio = 0 V, VIH = 3.0 V

–

µA

CIN

Input Capacitance[33]

––

Input voltage hysteresis

(Schmitt-Trigger)[33]

Single ended mode (GPIO

mode)

–40

–

Differential mode

–

Idiode

Current through protection diode

to VSSIO

––

100

µA

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