HD74LS645 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Octal Bus Transceivers(non-inverted 3-state outputs)

HD74LS645
Block Diagram
Enable G
B
Direction
Control DIR
Transceiver (1/8)
A
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
V_CC
7
Input voltage
V_IN
7
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
mW
°C
Unit
V
mA
mA
°C
Rev.2.00, Feb.18.2005, page 2 of 6