STM32F103XC datasheet(89/130 Pages) STMICROELECTRONICS

89 / 130 page

STM32F103xC, STM32F103xD, STM32F103xE

Electrical characteristics

Doc ID 14611 Rev 8

89/130

Output voltage levels

Unless otherwise specified, the parameters given in Table 47 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 10. All I/Os are CMOS and TTL compliant.

Table 47.

Output voltage characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

(1)

The IIO current sunk by the device must always respect the absolute maximum rating specified in Table 8

and the sum of IIO (I/O ports and control pins) must not exceed IVSS.

Output low level voltage for an I/O pin

when 8 pins are sunk at same time

CMOS port(2)

IIO = +8 mA

2.7 V < VDD < 3.6 V

TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.

0.4

VOH

(3)

The IIO current sourced by the device must always respect the absolute maximum rating specified in

Table 8 and the sum of IIO (I/O ports and control pins) must not exceed IVDD.

Output high level voltage for an I/O pin

when 8 pins are sourced at same time

VDD–0.4

VOL

(1)

Output low level voltage for an I/O pin

when 8 pins are sunk at same time

TTL port(2)

IIO =+ 8mA

2.7 V < VDD < 3.6 V

0.4

VOH

(3)

Output high level voltage for an I/O pin

when 8 pins are sourced at same time

2.4

VOL

(1)(4)

Based on characterization data, not tested in production.

Output low level voltage for an I/O pin

when 8 pins are sunk at same time

IIO = +20 mA

2.7 V < VDD < 3.6 V

1.3

VOH

(3)(4)

Output high level voltage for an I/O pin

when 8 pins are sourced at same time

VDD–1.3

VOL

(1)(4)

Output low level voltage for an I/O pin

when 8 pins are sunk at same time

IIO = +6 mA

2 V < VDD < 2.7 V

0.4

VOH

(3)(4)

Output high level voltage for an I/O pin

when 8 pins are sourced at same time

VDD–0.4

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