74FCT540 datasheet(3/6 Pages) IDT

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IDT74FCT540AT/CT

FASTCMOSOCTALBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

Industrial: TA = -40°C to +85°C, VCC = 5.0V ± 5%

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VIH

Input HIGH Level

Guaranteed Logic HIGH Level

—

VIL

Input LOW Level

Guaranteed Logic LOW Level

—

0.8

IIH

Input HIGH Current(4)

VCC = Max.

VI = 2.7V

—

±1

µ A

IIL

Input LOW Current(4)

VI = 0.5V

—

±1

IOZH

High Impedance Output Current

VCC = Max.

VO = 2.7V

—

±1

µ A

IOZL

(3-State output pins) (4)

VO = 0.5V

—

±1

Input HIGH Current(4)

VCC = Max., VI = VCC (Max.)

—

±1

µ A

VIK

Clamp Diode Voltage

VCC = Min., IIN = –18mA

—

–0.7

–1.2

Input Hysteresis

—

200

—

ICC

Quiescent Power Supply Current

VCC = Max., VIN = GND or VCC

—0.01

OUTPUT DRIVE CHARACTERISTICS

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VOH

Output HIGH Voltage

VCC = Min.

IOH = –8mA

2.4

3.3

—

VIN = VIH or VIL

IOH = –15mA

—

VOL

Output LOW Voltage

VCC = Min.

VIN = VIH or VIL

IOL = 64mA

—

0.3

0.55

IOS

Short Circuit Current

VCC = Max, VO = GND (3)

–60

–120

–225

NOTES:

1. For conditions shown as max. or min., use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 5.0V, +25°C ambient.

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

4. The test limit for thie parameter is ±5µA at TA = -55°C.

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