PI74FCT640T datasheet(2/4 Pages) PERICOM

2 / 4 page

PS2012B

09/22/99

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PI74FCT245T/640T/645T

25OhmSeriesPI74FCT2245T/2640T/2645T

OctalBidirectionalTransceivers

Storage Temperature .................................................................... 65°Cto+150°C

Ambient Temperature with Power Applied ....................................40°Cto+85°C

Supply Voltage to Ground Potential (Inputs & VCC Only) ............. 0.5Vto+7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only) ........... 0.5Vto+7.0V

DC Input Voltage ............................................................................ 0.5Vto+7.0V

DC Output Current ...................................................................................... 120mA

Power Dissipation ..........................................................................................0.5W

Note:

Stresses greater than those listed under MAXIMUM

RATINGSmaycausepermanentdamagetothedevice.

This is a stress rating only and functional operation

of the device at these or any other conditions above

those indicated in the operational sections of this

specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may

affect reliability.

DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5.0V ±5%)

Parameters Description

Test Conditions(1)

Min. Typ(2) Max. Units

VOH

Output HIGH Voltage

VCC = Min., VIN = VIH or VIL

IOH = –15.0mA

2.4

3.0

VOL

Output LOW Current

VCC = Min., VIN = VIH or VIL

IOL = 64mA

0.3

0.55

VOL

Output LOW Current

VCC = Min., VIN = VIH or VIL

IOL = 12mA (25Ω Series)

0.3

0.50

VIH

Input HIGH Voltage

Guaranteed Logic HIGH Level

2.0

VIL

Input LOW Voltage

Guaranteed Logic LOW Level

0.8

IIH

Input HIGH Current

(Except I/O pins) VCC = Max.

VIN = VCC

1µA

IIL

Input LOW Current

(Except I/O pins) VCC = Max.

VIN = GND

–1

µA

IIH

Input HIGH Current

(I/O pins Only) VCC = Max.

VIN = VCC

1µA

IIL

Input LOW Current

(I/O pins Only) VCC = Max.

VIN = GND

–1

µA

IOZH

High Impedance

VCC = MAX.VOUT = 2.7V

µA

IOZL

Output Current

VOUT = 0.5V

–1

µA

VIK

Clamp Diode Voltage

VCC = Min., IIN = –18 mA

–0.7

–1.2

IOFF

Power Down Disable

VCC = GND, VOUT = 4.5V

—

100

µA

IOS

Short Circuit Current

VCC = Max.

(3), VOUT = GND

–60

–120

Input Hysteresis

200

Capacitance(TA=25°C,f=1MHz)

Parameters(4)

Description

TestConditions

Typ.

Max.

Units

CIN

Input Capacitance

VIN=0V

COUT

Output Capacitance

VOUT =0V

Notes:

1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. TypicalvaluesareatVCC=5.0V,+25°Cambientandmaximumloading.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.

4. This parameter is determined by device characterization but is not production tested.

MaximumRatings

(Above which the useful life may be impaired. For user guidelines, not tested.)

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