ICM7249IPM datasheet(3/9 Pages) INTERSIL

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9-25

Absolute Maximum Ratings

Thermal Information

Supply Voltage (VDD - VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V

Input Voltage, Pins 43 - 48 (Note 1) . . (VSS - 0.3V) to (VDD + 0.3V)

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC

Thermal Resistance (Typical, Note 2)

JA (

oC/W)

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

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150oC

Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC

Maximum Lead Temperature (Soldering, 10s) . . . . . . . . . . . . 300oC

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.

NOTES:

1. Due to the SCR structure inherent in junction-isolated CMOS devices. the circuit can be put in a latchup mode it large currents are injected

into device inputs or outputs. For this reason special care should be taken in a system with multiple power supplies to prevent voltages

being applied to inputs or outputs before power is applied. If only inputs are affected, latchup also can be prevented by limiting the current

into the input terminal to less than 1mA.

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

Electrical Speciﬁcations

Temperature = -40oC to 85oC, VDD = 2.5V to 5.5V, VSS = 0V, Unless Otherwise Speciﬁed. Typical

Speciﬁcations Measured at Temperature = 25oC and VDD = 2.8V, Unless Otherwise Speciﬁed

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Operating Voltage, VDD

Note 1

2.5

5.5

Operating Current, IDD

All Inputs = VDD or GND, Note 2

VDD = 2.8V

1.0

10.0

µA

VDD = 5.5V

4.0

20.0

µA

INPUT CURRENT

C0 - C3, IIN

All Inputs VDD or GND

VDD = 2.8V

Note 3

0.0

µA

S/S, ISS

0.5

1.5

3.0

µA

DT, IDT

40.0

110

µA

INPUT VOLTAGE

C0 - C3, DT, S/S

VIL

0.3VDD

VIH

0.7VDD

Segment Output Voltage

VOL

IOL = 1µA

0.8

VOH

IOH = 1µAVDD - 0.8

Backplane Output Voltage

VOL

IOL = 10µA

0.8

VOH

IOH = 10µAVDD - 0.8

OSCILLATOR STABILITY

Temperature = 25oC, VDD = 2.5V to 5.5V

0.1

ppm

Temperature = -40oC to 85oC, VDD = 2.5V to 5.5V

ppm

S/S PULSE WIDTH

High-Pass Filter (Modes 0 - 3), tHP

10,000

µs

Debounce (Modes 4, 6, 8, 10), tDE

10,000

µs

Without Debounce (Modes 5, 7, 9, 11), tDE

µs

NOTES:

1. Internal reset to 00000 requires a maximum VDD rise time of 1µs. Longer rise times at power-up may cause improper reset.

2. Operating current is measured with the LCD disconnected, and input current ISS and IDT supplied externally.

3. Inputs C0 - C3 are latched internally and draw no DC current after switching. During switching, a 90

µA peak current may be drawn for 10ns.

ICM7249

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