STFPC320 查看數據表（PDF） - STMicroelectronics

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STFPC320

Front panel controller/driver with standby power management and real-time clock

STMicroelectronics 

Electrical characteristics

STFPC320

17.4 Electrical specifications

Table 17. Electrical specifications

(TA = -20 to +70 °C, VDD = 3.3 V, GND = 0 V, VSS = VDD – 33.3 V)

Symbol

Parameter

Test conditions

Min Typ Max Unit

VOH1

VOL1

VOL2

High-level output

voltage

Low-level output

voltage

Low-level output

voltage

LED1 – LED4,

IOH1 = -1mA

LED1 – LED4,

IOH2 = 20mA

SDA, IOL2 = 4mA

0.9 VDD

V

1

V

0.6

V

IOH21

IOH22

IOLEAK

High-level output

current

High-level output

current

Driver leakage current

VO = VDD – 2V,

Seg1 to Seg12

VO = VDD – 2 V, Grid1 to

Grid8, Seg13/Grid16 to

Seg12/Grid9

VO = VDD – 33.3 V,

driver off

-3

mA

-15

mA

-10

μA

RL

Output pull-down

resistor

Driver output

50

100 150

kΩ

II

VIH

VIL

VH

IDDdyn

Input current

VI = VDD or GND

High-level input voltage

Low-level input voltage

Hysteresis voltage

Dynamic current

consumption

Under no load,

display OFF

±1

μA

0.7 VDD

V

0.3 VDD V

0.35

V

2

mA

RPU External pull-up resistor SCL, SDA

4.7

kΩ

RPU External pull-up resistor IRQ_N/SQW

10

kΩ

RPD

External pull-down

resistor

READY, KEY1, KEY2

10

kΩ

70/78

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