SCF5740 datasheet(3/12 Pages) SIEMENS

номер детали	SCF5740

подробное описание детали	0.270??4-Character, 5x7 Dot Matrix Serial Input Dot Addressable Intelligent Display

PDF	12 Pages

Scroll/Zoom	100%

производитель	SIEMENS [Siemens Semiconductor Group]

домашняя страница	http://www.siemens.com/

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3 / 12 page

2–202

SCF5740/2/4

Electrical Characteristics (over Operating Temperature)

Notes

Peak current 5/3 x ICC.

Unused inputs must be tied high.

Contact Siemens for 3.3 volt operation.

External oscillator must be stopped if being used to maintain an ICC <50µA.

Input/Output Circuits

Figures 3 and 4 show the input and output resistor/diode

networks used for ESD protection and to eliminate substrate

latch-up caused by input voltage over/under shoot.

Figures 3 and 4.

Parameter

Min.

Typ.

Max.

Units

Conditions

VCC

4.5

5.0

5.5

ICC (Pwr Dwn Mode)

(4)

µAV

CC=5 V, all inputs=0 V or VCC

ICC 4 digits

20 dots/character

150

186

VCC=5 V, “#” displayed in all 4 digits at 100%

brightness at 25

°C

IIL Input current

–10

µAV

CC=5 V, VIN=0 V (all inputs)

IIH Input current

+10

µAV

CC=VIN=5.0 V=0 V (all inputs)

VIH

3.5

VCC=4.5 V to 5.5 V

VIL

1.5

VCC=4.5 V to 5.5 V

IOH (CLK I/O)

–28

VCC=4.5 V, VOH=2.4 V

IOL (CLK I/O)

VCC=4.5 V, VOL=0.4 V

JC-PIN

°C/W

Fext External Clock

Input Frequency

120

347

KHz

VCC=5.0 V, CLKSEL=0

Fosc Internal Clock

Input Frequency

120

347

KHz

VCC=5.0 V, CLKSEL=1

Clock I/O Bus Loading

240

Clock Out Rise Time

500

VCC=4.5 V, VOH=2.4 V

Clock Out Fall Time

500

VCC=4.5 V, VOH=0.4 V

FM, Digit

375

768

1086

VCC

1 K

Ω

GND

input

VCC

1 K

Ω

GND

input/output

Inputs

Clock I/O

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