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54F138DM Datasheet, PDF (1/10 Pages) National Semiconductor (TI) – 1-of-8 Decoder/Demultiplexer
November 1994
54F 74F138
1-of-8 Decoder Demultiplexer
General Description
The ’F138 is a high-speed 1-of-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 ’F138 devices or a 1-of-32 decoder using four ’F138
devices and one inverter
Features
Y Demultiplexing capability
Y Multiple input enable for easy expansion
Y Active LOW mutually exclusive outputs
Y Guaranteed 4000V minimum ESD protection
Commercial
74F138PC
74F138SC (Note 1)
74F138SJ (Note 1)
Military
54F138DM (Note 2)
54F138FM (Note 2)
54F138LM (Note 2)
Package
Number
N16E
J16A
M16A
M16D
W16A
E20A
Package Description
16-Lead (0 300 Wide) Molded Dual-In-Line
16-Lead Ceramic Dual-In-Line
16-Lead (0 150 Wide) Molded Small Outline JEDEC
16-Lead (0 300 Wide) Molded Small Outline EIAJ
16-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB
Logic Symbols
Connection Diagrams
Pin Assignment for DIP
SOIC and Flatpak
Pin Assignment
for LCC
TL F 9478–3
IEEE IEC
TL F 9478 – 1
TL F 9478 – 2
TL F 9478–6
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9478
RRD-B30M75 Printed in U S A