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MC74HC138A_05 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
View to exact match
MC74HC138A_05 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC74HCT138A
LOGIC DIAGRAM
ADDRESS
INPUTS
A0 1
A1 2
A2 3
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10
Y5
9 Y6
7
Y7
ACTIVE−LOW
OUTPUTS
CHIP−
CS1 6
SELECT CS2 4
INPUTS
CS3
5
PIN 16 = VCC
PIN 8 = GND
PIN ASSIGNMENT
A0 1
A1 2
A2 3
CS2 4
CS3 5
CS1 6
Y7 7
GND 8
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10 Y5
9 Y6
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Design Criteria
Value Units
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Count*
30.5 ea.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Propagation Delay
1.5
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Power Dissipation
5.0
mW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Speed Power Product
.0075 pJ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ *Equivalent to a two−input NAND gate.
FUNCTION TABLE
Inputs
Outputs
CS1CS2 CS3 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X X H XXX HH HH HH HH
X H X XXX HH HH HH HH
L X X XXX HH HH HH HH
H L L LLL LHHHHHHH
H L L LLHH L HHHHHH
H L L LHL HH L HHHHH
H L L LHH H H H L H H H H
H L L HLL HHHH L HHH
H L L HLHHHHHH L HH
H L L HHL H H H H H H L H
H L L HHH H H H H H H H L
H = high level (steady state)
L = low level (steady state)
X = don’t care
ORDERING INFORMATION
Device
Package
Shipping
MC74HCT138AN
PDIP−16
500 Units / Box
MC74HCT138ANG
PDIP−16
(Pb−Free)
500 Units / Box
MC74HCT138AD
SOIC−16
48 Units / Rail
MC74HCT138ADG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74HCT138ADR2
SOIC−16
2500 Units / Tape & Reel
MC74HCT138ADR2G
SOIC−16
(Pb−Free)
2500 Units / Tape & Reel
MC74HCT138ADTR2
TSSOP−16*
2500 Units / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
http://onsemi.com
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