IC DECODER/DEMUX 1-8 HS 16SOIC

 

MC74AC138DR2G

Manufacturer Part NumberMC74AC138DR2G
DescriptionIC DECODER/DEMUX 1-8 HS 16SOIC
ManufacturerON Semiconductor
Series74AC
TypeDecoder/Demultiplexer
MC74AC138DR2G datasheets

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Specifications of MC74AC138DR2G

Circuit1 x 3:8Independent Circuits1
Current - Output High, Low24mA, 24mAVoltage Supply SourceSingle Supply
Voltage - Supply2 V ~ 6 VOperating Temperature-40°C ~ 85°C
Mounting TypeSurface MountPackage / Case16-SOIC (3.9mm Width)
Lead Free Status / RoHS StatusLead free / RoHS CompliantOther namesMC74AC138DR2GOS
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MC74AC138, MC74ACT138
1−of−8
Decoder/Demultiplexer
T h e M C 7 4 A C 1 3 8 / 7 4 A C T 1 3 8 i s a h i g h−s p e e d 1 −o f −8
decoder/demultiplexer. This device is ideally suited for high−speed
bipolar memory chip select address decoding.
The multiple input enables allow parallel expansion to a 1−of−24
decoder using just three MC74AC138/74ACT138 devices or a
1−of−32 decoder using four MC74AC138/74ACT138 devices and one
inverter.
•
Demultiplexing Capability
•
Multiple Input Enable for Easy Expansion
•
Active LOW Mutually Exclusive Outputs
•
Outputs Source/Sink 24 mA
•
′ACT138 Has TTL Compatible Inputs
w
These devices are available in Pb−free package(s). Specifications herein
apply to both standard and Pb−free devices. Please see our website at
www.onsemi.com for specific Pb−free orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
V
O
O
O
O
O
CC
0
1
2
3
4
16
15
14
13
12
11
1
2
3
4
5
6
A
A
A
E
E
E
0
1
2
1
2
3
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
A
A
A
E
E
E
0
1
2
1
2
3
O
O
O
O
O
O
O
O
0
1
2
3
4
5
6
Figure 2. Logic Symbol
PIN ASSIGNMENT
PIN
FUNCTION
A
−A
Address Inputs
0
2
E
−E
Enable Inputs
1
2
E
Enable Input
3
O
−O
Outputs
0
7
© Semiconductor Components Industries, LLC, 2006
March, 2006 − Rev. 6
O
O
5
6
10
9
7
8
O
GND
7
7
1
http://onsemi.com
DIP−16
N SUFFIX
16
CASE 648
1
SO−16
D SUFFIX
16
CASE 751B
1
TSSOP−16
DT SUFFIX
16
CASE 948F
1
EIAJ−16
M SUFFIX
16
CASE 966
1
ORDERING INFORMATION
Device
Package
Shipping
MC74AC138N
25 Units/Rail
PDIP−16
MC74ACT138N
25 Units/Rail
PDIP−16
MC74AC138D
48 Units/Rail
SOIC−16
MC74ACT138D
48 Units/Rail
SOIC−16
MC74AC138DR2
2500 Tape & Reel
SOIC−16
MC74ACT138DR2
SOIC−16
2500 Tape & Reel
MC74AC138DT
96 Units/Rail
TSSOP−16
MC74ACT138DT
96 Units/Rail
TSSOP−16
MC74AC138DTR2
2500 Tape & Reel
TSSOP−16
MC74ACT138DTR2 TSSOP−16
2500 Tape & Reel
MC74AC138M
50 Units/Rail
EIAJ−16
MC74ACT138M
50 Units/Rail
EIAJ−16
MC74AC138MEL
2000 Tape & Reel
EIAJ−16
MC74ACT138MEL
2000 Tape & Reel
EIAJ−16
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
Publication Order Number:
MC74AC138/D

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MC74AC138DR2G Summary of contents

  • Page 1

    ... Outputs Source/Sink 24 mA • ′ACT138 Has TTL Compatible Inputs w These devices are available in Pb−free package(s). Specifications herein apply to both standard and Pb−free devices. Please see our website at www.onsemi.com for specific Pb−free orderable part numbers, or contact your local ON Semiconductor sales office or representative ...

  • Page 2

    FUNCTIONAL DESCRIPTION The MC74AC138/74ACT138 decoder/demultiplexer accepts three binary weighted inputs ( and, when enabled, provides eight mutually exclusive active−LOW outputs MC74AC138/74ACT138 features three Enable inputs, two active−LOW ( and ...

  • Page 3

    123 MAXIMUM ...

  • Page 4

    DC CHARACTERISTICS Symbol Parameter V Minimum High Level IH Input Voltage V Maximum Low Level IL Input Voltage V Minimum High Level OH Output Voltage V Maximum Low Level OL Output Voltage I Maximum Input IN Leakage Current I †Minimum ...

  • Page 5

    ... AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol Parameter Propagation Delay t PLH Propagation Delay t PHL Propagation Delay t PLH Propagation Delay t PHL Propagation Delay t PLH Propagation Delay t PHL *Voltage Range 3 3.3 V ±0.3 V. *Voltage Range 5 5.0 V ±0.5 V. ...

  • Page 6

    ... AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol Parameter Propagation Delay t PLH Propagation Delay t PHL Propagation Delay t PLH Propagation Delay t PHL Propagation Delay t PLH Propagation Delay t PHL *Voltage Range 5 5.0 V ± 0.5 V CAPACITANCE ...

  • Page 7

    0.25 (0.010) M −A− −T− SEATING PLANE 0.25 (0.010 PACKAGE DIMENSIONS PDIP−16 N ...

  • Page 8

    K 16X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 −V− C 0.10 (0.004) −T− SEATING D PLANE ...

  • Page 9

    Notes http://onsemi.com 9 ...

  • Page 10

    Notes http://onsemi.com 10 ...

  • Page 11

    ... Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 11 ON Semiconductor Website: http://onsemi ...

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