SN54HC541, SN74HC541
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SCLS305C – JANUARY 1996 – REVISED AUGUST 2003
recommended operating conditions (see Note 3)
SN54HC541
MIN NOM
SN74HC541
MIN NOM
UNIT
MAX
MAX
V
V
Supply voltage
2
1.5
5
6
2
1.5
5
6
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 2 V
High-level input voltage
= 4.5 V
= 6 V
3.15
4.2
3.15
4.2
V
V
IH
= 2 V
0.5
1.35
1.8
0.5
1.35
1.8
V
IL
Low-level input voltage
= 4.5 V
= 6 V
V
V
Input voltage
0
0
V
V
0
0
V
V
V
V
I
CC
CC
Output voltage
O
CC
CC
V
CC
V
CC
V
CC
= 2 V
1000
500
400
125
1000
500
400
85
∆t/∆v
Input transition rise/fall time
= 4.5 V
= 6 V
ns
T
A
Operating free-air temperature
–55
–40
°C
NOTE 3: All unused inputs of the device must be held at VCC 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)
T
= 25°C
SN54HC541
SN74HC541
A
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
TYP
MAX
MIN
1.9
4.4
5.9
3.7
5.2
MAX
MIN
1.9
MAX
2 V
4.5 V
6 V
1.9 1.998
4.4 4.499
5.9 5.999
I
= –20 µA
4.4
OH
V
V = V or V
IH
5.9
V
OH
OL
I
IL
IL
I
I
= –6 mA
4.5 V
6 V
3.98
5.48
4.3
5.8
3.84
5.34
OH
= –7.8 mA
OH
2 V
0.002
0.001
0.001
0.17
0.15
0.1
0.1
0.1
0.1
0.26
0.26
100
0.5
8
0.1
0.1
0.1
0.1
I
= 20 µA
4.5 V
6 V
OL
V
V = V or V
0.1
0.1
V
I
IH
I
I
= 6 mA
4.5 V
6 V
0.4
0.33
0.33
1000
5
OL
= 7.8 mA
0.4
OL
I
I
I
V = V
I
or 0
6 V
1000
10
nA
µA
µA
pF
I
CC
CC
V
O
= V
or 0
6 V
0.01
OZ
CC
CC
V = V
I
or 0,
I
O
= 0
6 V
160
10
80
C
2 V to 6 V
3
10
10
i
3
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