DocID031029 Rev 3

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ST8500

Electrical characteristics

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Table 16. Digital supply characteristics - I/O

Symbol

Parameter

Conditions

Min. Typ. Max. Unit

I(DVDD_3V3_IO)

3.3 V digital supply current

consumption

8 GPIO toggling at 0.5 MHz

with Cext

-2.8

6

mA

I(DVDD_3V3_IO)

3.3 V digital supply current

consumption

8 GPIO toggling at 1 MHz with

Cext

 50 pF see(1)

-5.5

11

mA

I(DVDD_3V3_IO)

3.3 V digital supply current

consumption

8 GPIO toggling at 8 MHz with

Cext

 50 pF see(1)

-33

76

mA

1. The tests are performed with the following enabled blocks: 1 x GPT, 1 x SPI, 1 x USART, IPC, AES, TRNG, ROSC.

Cortex™ frequency equals to 100 MHz.

Table 17. Digital supply characteristics - OTP

Symbol

Parameter

Conditions

Min.

Typ. Max. Unit

I(DVDD_2V5)

2.5 V digital supply current

OTP static consumption

-

20

-

nA

I(DVDD_1V1)

1.1 V digital supply current

consumption(1)

OTP read operation

-

-

0.4

mA

1. Guaranteed by design, not tested in production.