STA309A datasheet(14/67 Pages) STMICROELECTRONICS

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Electrical specification

STA309A

14/67

Doc ID 13855 Rev 4

3.4

Electrical specifications

The following specifications are valid for VDD = 3.3 V ± 0.3 V, VDDA = 3.3 V ± 0.3 V and

Tamb = 0 to 70 °C, unless otherwise stated

Table 6.

General interface electrical specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Iil

Low-level input no pull-up

Vi = 0V

--1 (1)

The leakage currents are generally very small, < 1 nA. The values given here are maximum after an

electrostatic stress on the pin.

µA

Iih

High-level input no

pull-down

Vi = VDD

--2

µA

IOZ

Tristate output leakage

without pull-up/down

Vi = VDD

--2

µA

Vesd

Electrostatic protection

(human body model)

Leakage < 1

µA

2000

--V

Table 7.

DC electrical characteristics: 3.3-V buffers

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Low-level input voltage

0.8

VIH

High-level input voltage

2.0

VILhyst

Low-level threshold

Input falling

0.8

1.35

VIHhyst

High-level threshold

Input rising

1.3

2.0

Vhyst

Schmitt trigger hysteresis

0.3

0.8

VOL

Low-level output

IOL = 100uA

0.2

VOH

High-level output

IOH = -100uA

VDD -

0.2

--V

IOH = -2mA

2.4

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