74AHCT138 View Datasheet(PDF) - Diodes Incorporated.

Part Name

Description

Manufacturer

74AHCT138

3 TO 8 LINE DECODER DEMULTIPLEXER

Diodes Incorporated. 

74AHCT138

Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.)

Symbol

ESD HBM

ESD CDM

ESD MM

VCC

VI

Vo

IIK

IOK

IOK

IO

ICC

IGND

TJ

TSTG

PTOT

Description

Human Body Model ESD Protection

Charged Device Model ESD Protection

Machine Model ESD Protection

Supply Voltage Range

Input Voltage Range

Voltage applied to output in high or low state

Input Clamp Current VI< -0.5V

Output Clamp Current VO<-0.5V

Output Clamp Current VO> VCC + 0.5V

Continuous output current

Continuous current through VDD or GND

Continuous current through VDD or GND

Operating Junction Temperature

Storage Temperature

Total Power Dissipation

Rating

Unit

2

KV

1

KV

200

V

-0.5 to +7.0

V

-0.5 to +7.0

V

-0.3 to VCC +0.5

V

-20

mA

-20

mA

25

mA

+/- 25

mA

75

mA

-75

mA

-40 to +150

°C

-65 to +150

°C

500

mW

Notes:

4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be

within recommend values.

Recommended Operating Conditions (Note 5) (@TA = +25°C, unless otherwise specified.)

Symbol

VCC

VI

VO

t/V

TA

Parameter

Supply Voltage

Input Voltage

Output Voltage

Input transition Rise or Fall Rate

Operating Free-Air Temperature

Conditions

Active Mode

VCC = 4.5V to 5.5V

Note:

5. Unused inputs should be held at VCC or Ground.

Min

Max

Unit

4.5

5.5

V

0

5.5

V

0

VCC

V

20

ns/V

-40

+125

°C

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Symbol Parameter Test Conditions

VIH

VIL

VOH

VOL

II

ICC

∆ICC

Ci

High-level Input

Voltage

Low-level input

voltage

High Level

Output Voltage

IOH = -50μA

IOH = -8mA

Low-level Output IOL = 50μA

Voltage

IOL = 8mA

Input Current

VI = GND or 5.5V

Supply Current

Additional

Supply Current

per Input

VI = GND or VCC

IO = 0

VI = Vcc -2.1V

IO = 0

Input

Capacitance

Vi = VCC or GND

VCC

4.5V to 5.5V

4.5V to 5.5V

4.5V

4.5V

4.5V

4.5V

0V to 5.5V

5.5V

4.5V to 5.5V

5.5V

TA = +25°C

TA = -40°C to +85°C TA = -40°C to +125°C

Min Typ Max Min

Max

Min

Max

2.0





2.0



2.0





 0.8



0.8



0.8

4.4 4.5 

4.4



4.4



3.94





3.80



3.70





0 0.1



0.1



0.1



 0.36



0.44



0.55



0.1 ±0.1



±1



±2



 4.0



40



80



 1.35



1.5



1.5



4 10



10



10

Unit

V

V

V

V

μA

μA

mA

pF

74AHCT138

Document number: DS35483 Rev. 2 - 2

4 of 9

www.diodes.com

June 2013

© Diodes Incorporated

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