Datasheet

SN54ABT2245, SN74ABT2245
OCTAL TRANSCEIVERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS234D – SEPTEMBER 1992 – REVISED MAY 1997
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT2245 SN74ABT2245
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 out
p
ut current
A port –24 –32
mA
I
OH
High
-
le
v
el
o
u
tp
u
t
c
u
rrent
B port –12 –12
mA
I
OL
Low level out
p
ut current
A port 48 64
mA
I
OL
Lo
w-
le
v
el
o
u
tp
u
t
c
u
rrent
B port 12 12
mA
∆t/∆v Input transition rise or fall rate Outputs enabled 5 5 ns/V
∆t/∆V
CC
Power-up ramp rate 200 200 µs/V
T
A
Operating free-air temperature –55 125 –40 85 °C
NOTE 3: Unused pins (input or I/O) must be held high or low to prevent them from floating.