ICM7243AIM44Z datasheet(4/14 Pages) INTERSIL

Part #	ICM7243AIM44Z

Description	8-Character, Microprocessor-Compatible, LED Display Decoder Driver

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Manufacturer	INTERSIL [Intersil Corporation]

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4 / 14 page

4

FN3162.3

October 28, 2005

Absolute Maximum Ratings

Thermal Information

Supply Voltage VDD - VSS. . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V

Input Voltage (Any Terminal) . . . . . . . . . . . VDD +0.3V to VSS -0.3V

CHARacter Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA

SEGment Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA

Operating Conditions

Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . .-25°C to 85°C

Thermal Resistance (Typical, Note 1)

θJA (°C/W) θJC (°C/W)

PDIP Package . . . . . . . . . . . . . . . . . . .

50

N/A

MQFP Package . . . . . . . . . . . . . . . . . .

70

N/A

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

(MQFP - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

θJA is measured with the component mounted on an evaluation PC board in free air.

Electrical Specifications

VDD = 5V, VSS = 0V, TA = 25°C, Unless Otherwise Specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Supply Voltage (VDD - VSS), VSUPP

4.75

5.0

5.25

V

Operating Supply Current, IDD

VSUPP = 5.25V, 10 Segments ON, All 8 Characters

-

180

-

mA

Quiescent Supply Current, ISTBY

VSUPP = 5.25V, OSC/OFF Pin < 0.5V, CS = VSS

-

30

250

µA

Input High Voltage, VIH

2-

-

V

Input Low Voltage, VIL

--

0.8

V

Input Current, IIN

-10

-

+10

µA

CHARacter Drive Current, ICHAR

VSUPP = 5V, VOUT = 1V

140

190

-

mA

CHARacter Leakage Current, ICHLK

-

100

µA

SEGment Drive Current, ISEG

VSUPP = 5V, VOUT = 2.5V

14

19

-

mA

SEGment Leakage Current, ISLK

-0.01

10

µA

DISPlay FULL Output Low, VOL

IOL = 1.6mA

-

0.4

V

DISPlay FULL Output High, VOH

lIH = 100µA2.4

-

V

Display Scan Rate, fDS

-

400

-

Hz

Electrical Specifications

Drive levels 0.4V and 2.4V, timing measured at 0.8V and 2.0V. VDD = 5V, TA = 25°C,

Unless Otherwise Specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

AC CHARACTERISTICS

WR, CLeaR Pulse Width Low, tWPI

300

250

-

ns

WR, CLeaR Pulse Width High (Note 1), tWPH

-

250

-

ns

Data Hold Time, tDH

0

-100

-

ns

Data Setup Time, tDS

250

150

-

ns

Address Hold Time, tAH

125

-

ns

Address Setup Time, tAS

40

15

-

ns

CS, CS Setup Time, tCS

0-

-

ns

Pulse Transition Time, tT

--

100

ns

SEN Setup Time, tSEN

0-25

-

ns

Display Full Delay, tWDF

700

480

-

ns

Capacitance

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Input Capacitance, ClN

(Note 2)

-

5

-

pF

Output Capacitance, CO

(Note 2)

-

5

-

pF

NOTES:

1. In Sequential mode WR high must be

≥ TSEN +TWDF.

2. For design reference only, not tested.

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