STFPC311 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STFPC311

Front panel controller/driver with standby power management

STMicroelectronics 

11 Electrical characteristics

11 Electrical characteristics

STFPC311

Table 8.

Symbol

Electrical specifications

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

Parameter

Test conditions

Min. Typ.

Max. Unit

VOH1 High-Level Output Voltage LED1 – LED4, IOH1 = -1mA

VOL1 Low-Level Output Voltage LED1 – LED4, IOH2 = 20mA

VOL2 Low-Level Output Voltage DOUT, IOL2 = 4mA

IOH21 High-Level Output Current VO = VDD – 2V, Seg1to Seg12

IOH22

High-Level Output Current

VO = VDD – 2 V, Grid1to Grid8,

Se13g/Grid16to Seg20/Grid9

IOLEAK Driver Leakage Current VO = VDD – 33.3 V, driver off

RL Output Pull-Down Resistor Driver output

I Input Current

VI= VDD or VSS

VIH High-Level Input Voltage

0.9VDD

-3

-15

50

100

0.7VDD

V

1

V

0.4 V

mA

mA

-10 µA

150 kΩ

±1 µA

V

VIL Low-Level Input Voltage

VH Hysteresis Voltage

IDD(DYN)

Dynamic Current

Consumption

CLK, DIN, STB

Under no load, display off

0.3VDD V

0.35

V

5 mA

Table 9.

Symbol

Switching characteristics (TA = -20 to +70 °C, VDD = 3.3 V, VSS = -30 V)

Parameter

Test conditions

Min. Typ. Max. Unit

tOSC Oscillation Frequency

R = 33KΩ ±5%

350 500 650 kHz

tPLZ

Propagation Delay Time

tPZL

CLK ≤DOUT

CL = 15pF, RL = 10KΩ

300 ns

100 ns

tTZH1

Seg1 to Seg12

2

µs

Rise Time

tTZH2

CL = 300pF

Grid1 to Grid8,

Seg13/Seg16 to

Seg20/Grid9

0.5 µs

tTHZ Fall Time

CL = 300pF, Segn, Gridn

120 µs

fMAX

Maximum Clock

Frequency

Duty = 50%

1 MHz

CI Input Capacitance

15 pF

30/39

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