Texas Instruments CD74ACT139M96, CD74ACT139E, CD74AC139M96, CD74AC139E, CD54AC139F3A Datasheet

Data sheet acquired from Harris Semiconductor SCHS235

September 1998

CD74AC139,

CD74ACT139

Dual 2-to-4-Line Decoder/Demultiplexer

	Features				Description
	•	Buffered Inputs			The CD74AC139 and CD74ACT139 are dual 2-to-4-line
	•	Typical Propagation Delay			decoders/demultiplexers that utilize			the Harris	Advanced
					CMOS Logic technology. These devices contain two inde-
		- 5.4ns at VCC = 5V, TA = 25oC, CL = 50pF
					pendent binary to one-of-four decoders, each with a single
	•	Exceeds 2kV ESD Protection MIL-STD-883, Method			active LOW enable input (1E or 2E). Data on the select
					inputs (1A0 and 1A1 or 2A0 and 2A1) cause one of the four
		3015
					normally HIGH outputs to go LOW.
	•	SCR-Latchup-Resistant CMOS Process and Circuit
					If the enable input is HIGH, all four outputs remain HIGH. For
[ /Title		Design
					demultiplexer operation, the enable input is the data input.
(CD74	•	Speed of Bipolar FAST™/AS/S with Significantly			The enable input also functions as a chip select when these
AC139		Reduced Power Consumption			devices are cascaded.
,	•	Balanced Propagation Delays			Ordering Information
CD74	•	AC Types Feature 1.5V to 5.5V Operation and			PART		TEMP.		PKG.
ACT13		Balanced Noise Immunity at 30% of the Supply
					NUMBER		RANGE (oC)	PACKAGE	NO.
9)	• ±24mA Output Drive Current				CD74AC139E		0 to 70oC, -40 to 85,	16 Ld PDIP	E16.3
/Sub-		- Fanout to 15 FAST™ ICs					-55 to 125
ject		- Drives 50Ω Transmission Lines			CD74ACT139E		0 to 70oC, -40 to 85,	16 Ld PDIP	E16.3
(Dual							-55 to 125
2-to-4-					CD74AC139M96		0 to 70oC, -40 to 85,	16 Ld SOIC	M16.15
Line							-55 to 125
							0 to 70oC, -40 to 85,
Decod					CD74ACT139M			16 Ld SOIC	M16.15
er/Dem							-55 to 125
					NOTES:
ulti-
					1. When ordering, use the entire part number. Add the suffix 96 to
plexer)
					obtain the variant in the tape and reel.
/Autho					2. Wafer and die for this part number is available which meets all elec-
r ()					trical specifications. Please contact your local sales office or Harris
/Key-					customer service for ordering information.
words
(Har-	Pinout
ris
Semi-		CD74AC139, CD74ACT139
con-				(PDIP, SOIC)
				TOP VIEW
ductor,
Advan		1E	1		16 VCC
ced
		1A0	2		15 2E
CMOS		1A1	3		14 2A0
)		1Y0	4		13 2A1
/Cre-		1Y1	5		12 2Y0
ator ()		1Y2	6		11 2Y1
/DOCI		1Y3	7		10	2Y2
NFO		GND	8		9	2Y3

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

File Number 1953.1

	FAST™ is a Trademark of Fairchild Semiconductor.	1
	Copyright © Harris Corporation 1998

CD74AC139, CD74ACT139

Functional Diagram

2									4
1A0									5	1Y0
						DECODER				1Y1
									6
						1
										1Y2
3									7
1A1										1Y3
		1
1E									12
14
2A0									11	2Y0
						DECODER				2Y1
									10
						2
										2Y2
13									9
2A1										2Y3
		15
2E									GND = 8
									VCC = 16

TRUTH TABLE

INPUTS

ENABLE

SELECT

OUTPUTS

A1

A0

E

Y3

Y2

Y1

Y0

L

L

L

H

H

H

L

L

L

H

H

H

L

H

L

H

L

H

L

H

H

L

H

H

L

H

H

H

H

X

X

H

H

H

H

X = Don’t Care

2

CD74AC139, CD74ACT139

Absolute Maximum Ratings

DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . .	-0.5V to 6V
DC Input Diode Current, IIK	±20mA
For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . .
DC Output Diode Current, IOK	±50mA
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . .
DC Output Source or Sink Current per Output Pin, IO	±50mA
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . .
DC VCC or Ground Current, ICC or IGND (Note 3) . . . . . .	. . .±100mA

Thermal Information
Thermal Resistance (Typical, Note 5)	θJA (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 90
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 160
Maximum Junction Temperature (Plastic Package) . . .	. . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .	-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . .	. . . . . . . 300oC

Operating Conditions

Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC

Supply Voltage Range, VCC (Note 4)

AC Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5V to 5.5V

ACT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V

DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC

Input Rise and Fall Slew Rate, dt/dv

AC Types, 1.5V to 3V . . . . . . . . . . . . . . . . . . . . . . . . . 50ns (Max)

AC Types, 3.6V to 5.5V . . . . . . . . . . . . . . . . . . . . . . . . 20ns (Max)

ACT Types, 4.5V to 5.5V. . . . . . . . . . . . . . . . . . . . . . . 10ns (Max)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTES:

3.For up to 4 outputs per device, add ±25mA for each additional output.

4.Unless otherwise specified, all voltages are referenced to ground.

5.θJA is measured with the component mounted on an evaluation PC board in free air.

DC Electrical Specifications

		TEST					-40oC TO		-55oC TO
		CONDITIONS		VCC	25oC		85oC		125oC
PARAMETER	SYMBOL	VI (V)	IO (mA)	(V)	MIN	MAX	MIN	MAX	MIN	MAX	UNITS
AC TYPES
High Level Input Voltage	VIH	-	-	1.5	1.2	-	1.2	-	1.2	-	V
				3	2.1	-	2.1	-	2.1	-	V
				5.5	3.85	-	3.85	-	3.85	-	V
Low Level Input Voltage	VIL	-	-	1.5	-	0.3	-	0.3	-	0.3	V
				3	-	0.9	-	0.9	-	0.9	V
				5.5	-	1.65	-	1.65	-	1.65	V
High Level Output Voltage	VOH	VIH or VIL	-0.05	1.5	1.4	-	1.4	-	1.4	-	V
			-0.05	3	2.9	-	2.9	-	2.9	-	V
			-0.05	4.5	4.4	-	4.4	-	4.4	-	V
			-4	3	2.58	-	2.48	-	2.4	-	V
			-24	4.5	3.94	-	3.8	-	3.7	-	V
			-75	5.5	-	-	3.85	-	-	-	V
			(Note 6, 7)
			-50	5.5	-	-	-	-	3.85	-	V
			(Note 6, 7)

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