Electrical characteristics

ST7LNB1Y0

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5.6

I/O port pin characteristics

5.6.1

General characteristics

Figure 12.

Two typical applications with unused I/O pin

1.

Only external pull-up allowed on ICCCLK pin.

Table 29.

General characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Input low level voltage

V

Input high level voltage

Schmitt trigger voltage

1.

Data based on characterization results, not tested in production.

400

mV

Input leakage current

±1

µA

Static current

2.

Configuration not recommended, all unused pins must be kept at a fixed voltage: using the output mode of

the I/O for example or an external pull-up or pull-down resistor (see Figure 12). Data based on design

simulation and/or technology characteristics, not tested in production.

Floating input mode

200

Weak pull-up equivalent

3.

characteristics described in Figure 13).

50

120

250

k

Ω

I/O pin capacitance

5

pF

Output high to low level

fall time(1)

Between 10% and 90%

25

ns

Output low to high level

rise time(1)

25

10 k

Ω

UNUSED I/O PORT

ST7XXX

10 k

Ω

UNUSED I/O PORT

ST7XXX