HD74HCT238FPEL 데이터 시트보기 (PDF) - Renesas Electronics
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HD74HCT238FPEL Datasheet PDF : 6 Pages
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HD74HCT238
3-to-8-line Decoder/Demultiplexer
REJ03D0661–0200
(Previous ADE-205-549)
Rev.2.00
Mar 30, 2006
Description
The HD74HCT238 has 3 binary select inputs (A, B, and C). If the device is enabled these inputs determined which one
of the eight normally high outputs will go low. Two active low and one active high enables (G1, G2A and G2B) are
provided to ease the cascading of decoders.
Features
• High Speed Operation: tpd (A, B, C to Y) = 16.5 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 V to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HCT238FPEL
SOP-16 pin (JEITA)
PRSP0016 DH-B
(FP-16DAV)
FP
PRSP0016 DG-A
HD74HCT238RPEL SOP-16 pin (JEDEC) (FP-16DNV)
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)
Function Table
Enable
Inputs
Select
Outputs
G1
G2A
G2B
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
X
X
H
X
X
X
L
L
L
L
L
L
L
L
X
H
X
X
X
X
L
L
L
L
L
L
L
L
L
X
X
X
X
X
L
L
L
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
H
L
H
L
L
L
L
L
L
H
L
L
L
H
L
L
L
H
L
L
L
L
L
H
L
L
L
H
H
L
L
L
H
L
L
L
L
H
L
L
H
L
L
L
L
L
L
H
L
L
L
H
L
L
H
L
H
L
L
L
L
L
H
L
L
H
L
L
H
H
L
L
L
L
L
L
L
H
L
H
L
L
H
H
H
L
L
L
L
L
L
L
H
H : High level
L : Low level
X : Irrelevant
Rev.2.00 Mar 30, 2006 page 1 of 5
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