IDT74FCT138ATSOB datasheet(3/6 Pages) IDT

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IDT54/74FCT138T/AT/CT

FAST CMOS 1-OF-8 DECODER-WITH ENABLE

MILITARY AND COMMERCIAL TEMPERATURE RANGES

6.3

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

Commercial: TA = 0

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

2570 tbl 05

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 this parameter is

±5µA at TA = –55°C.

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(4)

VCC = Max.

VI = 2.7V

—

±1

µA

II L

Input LOW Current(4)

VCC = Max.

VI = 0.5V

—

±1

µA

Input HIGH Current(4)

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

—

±1

µA

VIK

Clamp Diode Voltage

VCC = Min., IN = –18mA

—

–0.7

–1.2

IOS

Short Circuit Current

VCC = Max.(3), VO = GND

–60

–120

–225

VOH

Output HIGH Voltage

VCC = Min.

VIN = VIH or VIL

IOH = –6mA MIL.

IOH = –8mA COM'L.

2.4

3.3

—

IOH = –12mA MIL.

IOH = –15mA COM'L.

2.0

3.0

—

VOL

Output LOW Voltage

VCC = Min.

VIN = VIH or VIL

IOL = 32mA MIL.

IOL = 48mA COM'L.

—

0.3

0.5

Input Hysteresis

—

200

—

ICC

Quiescent Power Supply Current

VCC = Max.

VIN = GND or VCC

—

0.01

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