39

4596A–RKE–05/06

ATA5745/ATA5746 [Preliminary]

17. Digital Port Characteristics

All parameters refer to GND and are valid for T

consumption, timing, and digital pin properties can be found in the specific sections of the “Electrical Characteristics”

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

11

Digital Ports

11.1

ENABLE input

- Low level input

voltage

V

4.5V to 5.5V

6V

Il

0.2

× V

S

0.12

×

VA

- High level input

voltage

V

5.5V

6V

Ih

0.8

× V

S

VA

11.2

RX input

- Low level input

voltage

V

4.5V to 5.5V

19

V

Il

0.2

× V

S

0.12

×

VA

- High level input

voltage

V

4.5V to 5.5V

19

V

Ih

0.8

× V

S

VA

11.3

BR0 input

- Low level input

voltage

V

4.5V to 5.5V

20

V

Il

0.2

× V

S

0.12

×

VA

- High level input

voltage

V

4.5V to 5.5V

20

0.8

× V

S

VA

11.4

BR1 input

- Low level input

voltage

V

V

4.5V to 5.5V

21

0.2

× V

S

0.12

×

VA

- High level input

voltage

4.5V to 5.5V

21

V

Ih

0.8

× V

S

VA

11.5

ASK_NFSK input

- Low level input

voltage

V

4.5V to 5.5V

22

0.2

× V

S

0.12

×

VA

- High level input

voltage

V

V

4.5V to 5.5V

22

0.8

× V

S

VA

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter