SPC574K70E7 datasheet(36/160 Pages) STMICROELECTRONICS

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Electrical characteristics

SPC574Kx

36/160

DocID023601 Rev 6

Note:

Each I/O pin on the device supports specific drive configurations. See the signal description

table in the device reference manual for the available drive configurations for each I/O pin.

3.9.1

I/O input DC characteristics

Table 18 provides input DC electrical characteristics as described in Figure 7.

Figure 7. I/O input DC electrical characteristics definition

Very strong configuration Provides maximum speed and controlled symmetric behavior for rise and fall transition.

Used for fast interface including Ethernet and FlexRay interfaces requiring fine control of

rising/falling edge jitter.

Pad impedance is centered around 40

Ω.

Differential configuration

A few pads provide differential capability providing very fast interface together with good

EMC performances.

Input only pads

These low input leakage pads are associated with the ADC channels.

Table 17. I/O pad specification descriptions(Continued)

Pad type

Description

VIL

VIN

VIH

VINTERNAL

VDD

VHYS

(SIUL register)

Table 18. I/O input DC electrical characteristics

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

TTL

VIHTTL

P Input high level TTL

4.5 V < VDD_HV_IO <5.5 V(6)

2—

VDD_HV_IO

+0.3

VILTTL

P Input low level TTL

4.5 V < VDD_HV_IO <5.5 V(6)

–0.3

—

0.8

VHYSTTL

—

C Input hysteresis TTL

4.5 V < VDD_HV_IO <5.5 V(6)

0.275

—

VDRFTTTL

—

C Input VIL/VIH

temperature drift TTL

—

100

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