IDT74FCT240ASO datasheet(4/8 Pages) IDT

4 / 8 page

IDT54/74FCT240/241/244/540/541/A/C

FAST CMOS OCTAL BUFFER/LINE DRIVER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

7.8

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified: VLC = 0.2V; VHC = VCC – 0.2V

Commercial: TA = 0

°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC= 5.0V ± 10%

NOTES:

2606 tbl 03

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 and maximum loading.

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

4. This parameter is guaranteed but not tested.

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VIH

Input HIGH Level

Guaranteed Logic HIGH Level

2.0

—

VIL

Input LOW Level

Guaranteed Logic LOW Level

—

0.8

II H

Input HIGH Current

VCC = Max.

VI = VCC

——

µA

VI = 2.7V

—

5(4)

II L

Input LOW Current

VI = 0.5V

—

–5(4)

VI = GND

—

–5

IOZH

Off State (High Impedance)

VCC = Max.

VO = VCC

——10

µA

Output Current

VO = 2.7V

—

10(4)

IOZL

VO = 0.5V

—

–10(4)

VO = GND

—

–10

VIK

Clamp Diode Voltage

VCC = Min., IN = –18mA

—

–0.7

–1.2

IOS

Short Circuit Current

VCC = Max.(3), VO = GND

–60

–120

—

VOH

Output HIGH Voltage

VCC = 3V, VIN = VLC or VHC, IOH = –32

µAVHC

VCC

—V

VCC = Min.

IOH = –300

µAVHC

VCC

—

VIN = VIH or VIL

IOH = –12mA MIL.

2.4

4.3

—

IOH = –15mA COM'L.

2.4

4.3

—

VOL

Output LOW Voltage

VCC = 3V, VIN = VLC or VHC, IOL = 300

µA

—

GND

VLC

VCC = Min.

IOL = 300

µA

—

GND

VLC(4)

VIN = VIH or VIL

IOL = 48mA MIL.

—

0.3

0.55

IOL = 64mA COM'L.

—

0.3

0.55

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