HD74HC138P HITACHI, HD74HC138P Datasheet

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HD74HC138P

Manufacturer Part Number
HD74HC138P
Description
DECODER/DEMUX|3-TO-8-LINE|HC-CMOS|DIP|16PIN|PLASTIC
Manufacturer
HITACHI
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD74HC138P
Manufacturer:
HITACHI/日立
Quantity:
20 000
Part Number:
HD74HC138P-E
Manufacturer:
Renesas
Quantity:
6 492
Part Number:
HD74HC138P-E-Q
Manufacturer:
Renesas
Quantity:
42 000
Description
The HD74HC138 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine
which one of the eight normally high outputs will go low. Two active low and one active high enables (G
G
Features
Function Table
Inputs
Enable
G1
X
X
L
H
H
H
H
H
H
H
H
2A
High Speed Operation: t
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
Low Input Current: 1 µA max
Low Quiescent Supply Current: I
and G
G
X
H
X
L
L
L
L
L
L
L
L
2A
2B
) are provided to ease the cascading of decoders.
G
H
X
X
L
L
L
L
L
L
L
L
2B
Select
C
X
X
X
L
L
L
L
H
H
H
H
3-to-8-line Decoder/Demultiplexer
pd
B
X
X
X
L
L
H
H
L
L
H
H
(A, B, C to Y) = 16.5 ns typ (C
CC
= 2 V to 6 V
HD74HC138
CC
A
X
X
X
L
H
L
H
L
H
L
H
(static) = 4 µA max (Ta = 25°C)
Outputs
Y
H
H
H
L
H
H
H
H
H
H
H
0
Y
H
H
H
H
L
H
H
H
H
H
H
1
Y
H
H
H
H
H
L
H
H
H
H
H
L
2
= 50 pF)
Y
H
H
H
H
H
H
L
H
H
H
H
3
Y
H
H
H
H
H
H
H
L
H
H
H
4
Y
H
H
H
H
H
H
H
H
L
H
H
5
Y
H
H
H
H
H
H
H
H
H
L
H
6
Y
H
H
H
H
H
H
H
H
H
H
L
7
1
,

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HD74HC138P Summary of contents

Page 1

Decoder/Demultiplexer Description The HD74HC138 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine which one of the eight normally high outputs will go low. Two active low and one active high ...

Page 2

HD74HC138 Pin Arrangement Select Inputs G Enable G Inputs Output GND ...

Page 3

DC Characteristics Item Symbol V CC Input voltage V 2.0 IH 4.5 6.0 V 2.0 IL 4.5 6.0 Output voltage V 2.0 OH 4.5 6.0 4.5 6.0 V 2.0 OL 4.5 6.0 4.5 6.0 Input current Iin 6.0 Quiescent supply ...

Page 4

HD74HC138 AC Characteristics ( pF, Input t L Item Symbol V CC Propagation delay t 2.0 PHL time 4.5 6.0 t 2.0 PLH 4.5 6.0 t 2.0 PHL 4.5 6.0 t 2.0 PLH 4.5 6.0 t 2.0 PHL ...

Page 5

... Max 16 1 1.3 1.11 Max 2.54 0.25 0.48 0. – 15 Hitachi Code JEDEC EIAJ Weight (reference value) Unit: mm 7.62 + 0.13 0.25 – 0.05 DP-16 Conforms Conforms 1.07 g ...

Page 6

... Base material dimension 10.06 10.5 Max 9 8 0.80 Max 0.08 0.06 0.15 M 0.12 + 0.20 7.80 – 0.30 1.15 0 – 8 0.70 0.20 Hitachi Code FP-16DA JEDEC — EIAJ Conforms Weight (reference value) 0.24 g Unit: mm ...

Page 7

... Base material dimension 9.9 10.3 Max 9 8 1.27 0.635 Max 0.15 0. 0.10 6.10 – 0.30 1.08 0 – 0.67 0.60 – 0.20 Hitachi Code FP-16DN JEDEC Conforms EIAJ Conforms Weight (reference value) 0.15 g Unit: mm ...

Page 8

... Max 0.08 *0.22 – 0.07 0.20 0.06 0.65 Max *Dimension including the plating thickness Base material dimension 9 8 0.65 0.13 M 6.40 0.20 0.10 1.0 0 – 8 0.50 0.10 Hitachi Code TTP-16DA JEDEC — EIAJ — Weight (reference value) 0.05 g Unit: mm ...

Page 9

... Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document ...

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