HD74LS242 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Quadruple Bus Transceivers(with three-state outputs)

HD74LS242
Block Diagram
GAB
A
GBA
Transceiver (1/4)
B
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
V_CC
7
Input voltage
GAB, GBA
V_IN
7
A, B
V_IN
5.5
Power dissipation
P_T
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
V_CC
I_OH
I_OL
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