SPC564A80L7 datasheet(102/157 Pages) STMICROELECTRONICS

102 / 157 page

Electrical characteristics

SPC564A74L7, SPC564A80B4, SPC564A80L7

102/157

Doc ID 15399 Rev 9

3.9.1

I/O pad VRC33 current specifications

The power consumption of the VRC33 supply is dependent on the usage of the pins on all I/O

segments. The power consumption is the sum of all input and output pin VRC33 currents for

all I/O segments. The output pin VRC33 current can be calculated from Table 23 based on

the voltage, frequency, and load on all fast pad pins. The input pin VRC33 current can be

calculated from Table 23 based on the voltage, frequency, and load on all medium-speed

pads. Use linear scaling to calculate pin currents for voltage, frequency, and load

parameters that fall outside the values given in Table 23.

Table 23.

I/O pad VRC33 average IDDE specifications

(1)

Pad Type

Symbol

Period

(ns)

Load

(2)

(pF)

Drive Select

IDD33 Avg

(µA)

IDD33 RMS

(µA)

Slow

IDRV_SSR_HV

100

0.8

235.7

200

0.04

87.4

800

0.06

47.4

800

200

0.009

Medium

IDRV_MSR_HV

2.75

258

100

0.11

76.5

500

0.02

56.2

500

200

0.01

56.2

MultiV(3) (High

Swing Mode)

IDRV_MULTV_HV

33.4

35.4

33.4

34.8

117

33.4

33.8

212

200

33.4

33.7

MultiV(4) (Low

Swing Mode)

IDRV_MULTV_HV

33.4

34.9

These are typical values that are estimated from simulation and not tested. Currents apply to output pins only.

All loads are lumped.

Average current is for pad configured as output only.

In low swing mode, multi-voltage pads must operate in highest slew rate setting.

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