Datasheet


     
SCHS340B − MARCH 2003 - REVISED JUNE 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
T
A
= 25°C
−55°C to
125°C
−40°C to
85°C
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 V
V
IH
High-level input voltage 2 2 2 V
V
IL
Low-level input voltage 0.8 0.8 0.8 V
V
I
Input voltage 0 V
CC
0 V
CC
0 V
CC
V
V
O
Output voltage 0 V
CC
0 V
CC
0 V
CC
V
I
OH
High-level output current −24 −24 −24 mA
I
OL
Low-level output current 24 24 24 mA
∆t/∆v Input transition rise or fall rate 10 10 10 ns/V
NOTE 3: All unused inputs 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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
T
A
= 25°C
−55°C to
125°C
−40°C to
85°C
UNIT
PARAMETER
TEST CONDITIONS
V
CC
MIN MAX MIN MAX MIN MAX
UNIT
I
OH
= −50 µA 4.5 V 4.4 4.4 4.4
V
OH
V
I
= V
IH
or V
IL
I
OH
= −24 mA 4.5 V 3.94 3.7 3.8
V
V
OH
V
I
= V
IH
or V
IL
I
OH
= −50 mA
†
5.5 V 3.85
V
I
OH
= −75 mA
†
5.5 V 3.85
I
OL
= 50 µA 4.5 V 0.1 0.1 0.1
V
OL
V
I
= V
IH
or V
IL
I
OL
= 24 mA 4.5 V 0.36 0.5 0.44
V
V
OL
V
I
= V
IH
or V
IL
I
OL
= 50 mA
†
5.5 V 1.65
V
I
OL
= 75 mA
†
5.5 V 1.65
I
I
V
I
= V
CC
or GND 5.5 V ±0.1 ±1 ±1 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 8 160 80 µA
DI
CC
‡
V
I
= V
CC
− 2.1 V 4.5 V to 5.5 V 2.4 3 2.8 mA
C
i
10 10 10 pF
†
Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize
power dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C.
‡
Additional quiescent supply current per input pin, TTL inputs high, 1 unit load
ACT INPUT LOADING TABLE
INPUT
UNIT LOAD
A or B 0.37
G 0.83
A/B 1.33
Unit load is ∆I
CC
limit specified in
electrical characteristics table
(e.g., 2.4 mA at 25°C).