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PDF HD74HC238 Data sheet ( Hoja de datos )
| Número de pieza | HD74HC238 | |
| Descripción | 3-to-8-line Decoder/Demultiplexer | |
| Fabricantes | Renesas | |
| Logotipo |  |
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HD74HC238
3-to-8-line Decoder/Demultiplexer
REJ03D0593–0200
(Previous ADE-205-470)
Rev.2.00
Jan 31, 2006
Description
The HD74HC238 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 (G1, G2A and G2B) are
provided to ease the cascading of decoders.
Features
• High Speed Operation: tpd (Data to Y) = 15 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 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
HD74HC238P
DILP-16 pin
PRDP0016AE-B
(DP-16FV)
P
HD74HC238FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
HD74HC238RPEL SOP-16 pin (JEDEC)
PRSP0016DG-A RP
(FP-16DNV)
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 XHXXX L L L L L L L L
X HXXXX L L L L L L L L
L XXXXXL L L L L L L L
H LLLLLHL L L L L L L
H LLLLHLHL L L L L L
H LLLHL L LHL L L L L
H L L LHH L L L H L L L L
H LLHLL L L L LHL L L
H LLHLHL L L L LHL L
H L LHHL L L L L L L H L
H L LHHH L L L L L L L H
H : High level
L : Low level
X : Irrelevant
Rev.2.00 Jan 31, 2006 page 1 of 6
1 page  
HD74HC238
Package Dimensions
JEITA Package Code
P-DIP16-6.3x19.2-2.54
RENESAS Code
PRDP0016AE-B
D
16
Previous Code
DP-16FV
9
MASS[Typ.]
1.05g
1
0.89
Z
8
b3
e bp
JEITA Package Code
P-SOP16-5.5x10.06-1.27
RENESAS Code
PRSP0016DH-B
Previous Code
FP-16DAV
*1 D
16
9
Index mark
1
Ze
8
*3 bp
xM
y
θ
MASS[Typ.]
0.24g
F
c
e1
( Ni/Pd/Au plating )
Reference
Symbol
e1
D
E
A
A1
bp
b3
c
θ
e
Z
L
Dimension in Millimeters
Min Nom Max
7.62
19.2 20.32
6.3 7.4
5.06
0.51
0.40 0.48 0.56
1.30
0.19 0.25 0.31
0° 15°
2.29 2.54 2.79
1.12
2.54
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
bp
Terminal cross section
( Ni/Pd/Au plating )
L1
θ
L
Detail F
Reference
Symbol
D
E
A2
A1
A
bp
b1
c
c1
θ
HE
e
x
y
Z
L
L1
Dimension in Millimeters
Min Nom Max
10.06 10.5
5.50
0.00 0.10 0.20
2.20
0.34 0.40 0.46
0.15 0.20 0.25
0° 8°
7.50 7.80 8.00
1.27
0.12
0.15
0.80
0.50 0.70 0.90
1.15
Rev.2.00 Jan 31, 2006 page 5 of 6
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HD74HC238.PDF ] | |
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