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Renesas Electronics Components Datasheet

HD74LS242 Datasheet

Quadruple Bus Transceivers

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HD74LS242 pdf
HD74LS242
Quadruple Bus Transceivers (with three-state outputs)
REJ03D0461–0300
Rev.3.00
Jul.15.2005
Features
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS242P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74LS242FPEL SOP-14 pin (JEITA) PRSP0014DF-B
(FP-14DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
Pin Arrangement
GAB 1
NC 2
1A 3
2A 4
3A 5
4A 6
GND 7
14 VCC
13 GBA
12 NC
11 1B
10 2B
9 3B
8 4B
(Top view)
Function Table
Control input
Data port status
GAB
GBA
A
B
H
H
Inverting output
Input
LH
*
H
L
Isolated
Isolated
L
L
Input
Inverting output
Notes: 1. H; high level, L; low level
2. *; Possibly destructive oscillation may occur if the transceivers are enabled in both directions at once.
Rev.3.00, Jul.15.2005, page 1 of 6


Renesas Electronics Components Datasheet

HD74LS242 Datasheet

Quadruple Bus Transceivers

No Preview Available !

HD74LS242 pdf
HD74LS242
Block Diagram
GAB
A
GBA
Transceiver (1/4)
B
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
GAB, GBA
A, B
VIN
VIN
7
5.5
Power dissipation
PT 400
Storage temperature
Tstg –65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Symbol
VCC
IOH
IOL
Topr
Min
4.75
–20
Typ
5.00
25
Max
5.25
–15
24
75
Unit
V
V
V
mW
°C
Unit
V
mA
mA
°C
Rev.3.00, Jul.15.2005, page 2 of 6


Part Number HD74LS242
Description Quadruple Bus Transceivers
Maker Renesas
Total Page 7 Pages
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