SN54LVC541A, SN74LVC541A (Rev. M)
SN54LVC541A, SN74LVC541A
OCTAL BUFFERS/DRIVERS
WITH 3 STATE OUTPUTS
SCAS298M - JANUARY 1993 - REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D
Operate From 1.65 V to 3.6 V
D
Inputs Accept Voltages to 5.5 V
D
Max t
pd
of 5.1 ns at 3.3 V
D
Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25
C
D
Typical V
OHV
(Output V
OH
Undershoot)
>2 V at V
CC
= 3.3 V, T
A
= 25
C
D
Support Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
3.3-V V
CC
)
D
I
off
Supports Partial-Power-Down Mode
Operation
D
Latch-Up Performance Exceeds 250 mA Per
JESD 17
D
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE1
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
SN54LVC541A . . . J OR W PACKAGE
SN74LVC541A . . . DB, DGV, DW, NS,
OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
Y1
Y2
Y3
Y4
Y5
A3
A4
A5
A6
A7
SN54LVC541A . . . FK PACKAGE
(TOP VIEW)
A2
A1
OE1
Y7
Y6
OE2
A8
GND
Y8
V
CC
SN74LVC541A . . . RGY PACKAGE
(TOP VIEW)
1
20
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
A1
A2
A3
A4
A5
A6
A7
A8
OE1
Y8
V
G
ND
CC
description/ordering information
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE MARKING
QFN - RGY
Reel of 1000
SN74LVC541ARGYR
LC541A
SOIC - DW
Tube of 25
SN74LVC541ADW
LVC541A
SOIC - DW
Reel of 2000
SN74LVC541ADWR
LVC541A
SOP - NS
Reel of 2000
SN74LVC541ANSR
LVC541A
-40
C to 85
C
SSOP - DB
Reel of 2000
SN74LVC541ADBR
LC541A
-40 C to 85 C
Tube of 70
SN74LVC541APW
TSSOP - PW
Reel of 2000
SN74LVC541APWR
LC541A
TSSOP - PW
Reel of 250
SN74LVC541APWT
LC541A
TVSOP - DGV
Reel of 2000
SN74LVC541ADGVR
LC541A
CDIP - J
Tube of 20
SNJ54LVC541AJ
SNJ54LVC541AJ
-55
C to 125
C
CFP - W
Tube of 85
SNJ54LVC541AW
SNJ54LVC541AW
-55 C to 125 C
LCCC - FK
Tube of 55
SNJ54LVC541AFK
SNJ54LVC541AFK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
On products compliant to MIL PRF 38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
SN54LVC541A, SN74LVC541A
OCTAL BUFFERS/DRIVERS
WITH 3 STATE OUTPUTS
SCAS298M - JANUARY 1993 - REVISED AUGUST 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
The SN54LVC541A octal buffer/driver is designed for 2.7-V to 3.6-V V
CC
operation, and the SN74LVC541A
octal buffer/driver is designed for 1.65-V to 3.6-V V
CC
operation.
The 'LVC541A devices are ideal for driving bus lines or buffering memory address registers.
These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board
layout.
The 3-state control gate is a 2-input AND gate with active-low inputs so that, if either output enable (OE1 or OE2)
input is high, all eight outputs are in the high-impedance state.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
These devices are fully specified for partial-power-down applications using I
off
. The I
off
circuitry disables the
outputs, preventing damaging current backflow through the devices when they are powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
FUNCTION TABLE
INPUTS
OUTPUT
OE1
OE2
A
OUTPUT
Y
L
L
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
logic diagram (positive logic)
OE1
OE2
To Seven Other Channels
A1
Y1
1
19
2
18
SN54LVC541A, SN74LVC541A
OCTAL BUFFERS/DRIVERS
WITH 3 STATE OUTPUTS
SCAS298M - JANUARY 1993 - REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
-0.5 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
(see Note 1)
-0.5 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high-impedance or power-off state, V
O
(see Note 1)
-0.5 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high or low state, V
O
(see Notes 1 and 2)
-0.5 V to V
CC
+ 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
< 0)
-50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
< 0)
-50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, I
O
50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through V
CC
or GND
100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
JA
(see Note 3): DB package
70
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): DGV package
92
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): DW package
58
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): NS package
60
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): PW package
83
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 4): RGY package
37
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
-65
C to 150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The value of VCC is provided in the recommended operating conditions table.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
4. The package thermal impedance is calculated in accordance with JESD 51-5.
SN54LVC541A, SN74LVC541A
OCTAL BUFFERS/DRIVERS
WITH 3 STATE OUTPUTS
SCAS298M - JANUARY 1993 - REVISED AUGUST 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 5)
SN54LVC541A
SN74LVC541A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
Operating
2
3.6
1.65
3.6
V
VCC
Supply voltage
Data retention only
1.5
1.5
V
VCC = 1.65 V to 1.95 V
0.65
VCC
VIH
High-level input voltage
VCC = 2.3 V to 2.7 V
1.7
V
VIH
High-level input voltage
VCC = 2.7 V to 3.6 V
2
2
V
VCC = 1.65 V to 1.95 V
0.35
VCC
VIL
Low-level input voltage
VCC = 2.3 V to 2.7 V
0.7
V
VIL
Low-level input voltage
VCC = 2.7 V to 3.6 V
0.8
0.8
V
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
High or low state
0
VCC
0
VCC
V
VO
Output voltage
3-state
0
5.5
0
5.5
V
VCC = 1.65 V
-4
IOH
High-level output current
VCC = 2.3 V
-8
mA
IOH
High-level output current
VCC = 2.7 V
-12
-12
mA
VCC = 3 V
-24
-24
VCC = 1.65 V
4
IOL
Low-level output current
VCC = 2.3 V
8
mA
IOL
Low-level output current
VCC = 2.7 V
12
12
mA
VCC = 3 V
24
24
TA
Operating free-air temperature
-55
125
-40
85
C
NOTE 5: 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.
SN54LVC541A, SN74LVC541A
OCTAL BUFFERS/DRIVERS
WITH 3 STATE OUTPUTS
SCAS298M - JANUARY 1993 - REVISED AUGUST 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LVC541A
SN74LVC541A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = -100 A
1.65 V to 3.6 V
VCC-0.2
IOH = -100
A
2.7 V to 3.6 V
VCC-0.2
IOH = -4 mA
1.65 V
1.2
VOH
IOH = -8 mA
2.3 V
1.7
V
VOH
IOH = -12 mA
2.7 V
2.2
2.2
V
IOH = -12 mA
3 V
2.4
2.4
IOH = -24 mA
3 V
2.2
2.2
IOL = 100 A
1.65 V to 3.6 V
0.2
IOL = 100
A
2.7 V to 3.6 V
0.2
VOL
IOL = 4 mA
1.65 V
0.45
V
VOL
IOL = 8 mA
2.3 V
0.7
V
IOL = 12 mA
2.7 V
0.4
0.4
IOL = 24 mA
3 V
0.55
0.55
II
VI = 0 to 5.5 V
3.6 V
5
5
A
Ioff
VI or VO = 5.5 V
0
10
A
IOZ
VO = 0 to 5.5 V
3.6 V
15
10
A
ICC
VI = VCC or GND
IO = 0
3.6 V
10
10
A
ICC
3.6 V
VI
5.5 V
IO = 0
3.6 V
10
10
A
ICC
One input at VCC - 0.6 V,
Other inputs at VCC or GND
2.7 V to 3.6 V
500
500
A
Ci
VI = VCC or GND
3.3 V
4
4
pF
Co
VO = VCC or GND
3.3 V
5.5
5.5
pF
All typical values are at VCC = 3.3 V, TA = 25
C.
This applies in the disabled state only.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figure 1)
SN54LVC541A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.7 V
VCC = 3.3 V
0.3 V
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tpd
A
Y
5.6
1
5.1
ns
ten
OE
Y
7.5
1
7
ns
tdis
OE
Y
7.7
1
7
ns
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