鈥?/div>
w
Demultiplexing Capability
Multiple Input Enable for Easy Expansion
Active LOW Mutually Exclusive Outputs
Outputs Source/Sink 24 mA
鈥睞CT138
Has TTL Compatible Inputs
These devices are available in Pb鈭抐ree package(s). Specifications herein
apply to both standard and Pb鈭抐ree devices. Please see our website at
www.onsemi.com for specific Pb鈭抐ree orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
V
CC
16
O
0
15
O
1
14
O
2
13
O
3
12
O
4
11
O
5
10
O
6
9
16
1
DIP鈭?6
N SUFFIX
CASE 648
16
1
SO鈭?6
D SUFFIX
CASE 751B
16
1
TSSOP鈭?6
DT SUFFIX
CASE 948F
16
1
EIAJ鈭?6
M SUFFIX
CASE 966
1
A
0
2
A
1
3
A
2
4
E
1
5
E
2
6
E
3
7
O
7
8
GND
ORDERING INFORMATION
Device
MC74AC138N
MC74ACT138N
MC74AC138D
MC74ACT138D
Package
PDIP鈭?6
PDIP鈭?6
SOIC鈭?6
SOIC鈭?6
SOIC鈭?6
SOIC鈭?6
TSSOP鈭?6
TSSOP鈭?6
Shipping
25 Units/Rail
25 Units/Rail
48 Units/Rail
48 Units/Rail
2500 Tape & Reel
2500 Tape & Reel
96 Units/Rail
96 Units/Rail
Figure 1. Pinout: 16鈭扡ead Packages Conductors
(Top View)
A
0
A
1
A
2
E
1
E
2
E
3
MC74AC138DR2
MC74ACT138DR2
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
MC74AC138DT
MC74ACT138DT
MC74AC138DTR2
TSSOP鈭?6 2500 Tape & Reel
Figure 2. Logic Symbol
PIN ASSIGNMENT
PIN
A
0
鈭扐
2
E
1
鈭扙
2
E
3
O
0
鈭扥
7
FUNCTION
Address Inputs
Enable Inputs
Enable Input
Outputs
MC74ACT138DTR2 TSSOP鈭?6 2500 Tape & Reel
MC74AC138M
MC74ACT138M
MC74AC138MEL
MC74ACT138MEL
EIAJ鈭?6
EIAJ鈭?6
EIAJ鈭?6
EIAJ鈭?6
50 Units/Rail
50 Units/Rail
2000 Tape & Reel
2000 Tape & Reel
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
漏
Semiconductor Components Industries, LLC, 2006
March, 2006
鈭?/div>
Rev. 6
1
Publication Order Number:
MC74AC138/D
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