STR91XFA datasheet(51/78 Pages) STMICROELECTRONICS

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STR91xFA

Electrical characteristics

51/78

Figure 11. LVD reset delay case 2

6.4

DC electrical characteristics

VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.

Table 10.

DC Electrical Characteristics

Symbol

Parameter

Test Conditions

Value

Unit

Min

Typ

Max

VIH

Input High Level

General inputs(1)

Guaranteed by characterization, not tested in production.

2.0

(2)

Input pins are 5V tolerant, max input voltage is 5.5V

RESET and TCK inputs(1)

0.8VDDQ

TAMPER_IN input(3)

Guaranteed by design, not tested in production.

VDDQ/2

VIL

Input Low Level

General inputs(1)

0.8

RESET and TCK inputs(1)

0.2VDDQ

TAMPER_IN input(3)

VDDQ/2

VHYS

Input Hysteresis

Schmitt Trigger

General inputs(4)

TAMPER_IN pin has no built-in hysteresis

0.4

VOH

Output High Level

High current pins

I/O ports 3 and 6:

Push-Pull, IOH = 8mA

VDDQ-0.7

Output High Level

Standard current pins

I/O ports 0,1,2,4,5,7,8,9:

Push-Pull, IOH = 4mA

VDDQ-0.7

Output High Level

JTAG JTDO pin

IOH= -100 µA

VDDQ-0.1

VOL

Output Low Level

High current pins

I/O ports 3 and 6:

Push-Pull, IOL = 8mA

0.4

Output Low Level

Standard current pins

I/O ports 0,1,2,4,5,7,8,9:

Push-Pull, IOL = 4mA

0.4

Output Low Level

JTAG JTDO pin

IOL=100 µA

0.1

VDD_LVD+

VDDQ_LVD+

~10 ms delay

VDDQ (red)

RESET_OUTn (blue)

VDD (green)

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