Datasheet

SN54ABT620, SN74ABT620
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS113D – FEBRUARY 1991 – REVISED APRIL 1998
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT620 SN74ABT620
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 4.5 5.5 4.5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
I
Input voltage 0 V
CC
0 V
CC
V
I
OH
High-level output current –24 –32 mA
I
OL
Low-level output current 48 64 mA
∆t/∆v Input transition rise or fall rate Outputs enabled 5 5 ns/V
T
A
Operating free-air temperature –55 125 –40 85 °C
NOTE 3: All unused pins (control or I/O) of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application
report,
Implications of Slow or Floating CMOS Inputs , literature number SCBA004.
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