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SNJ54BCT541J Datasheet Preview

SNJ54BCT541J Datasheet

OCTAL BUFFERS/DRIVERS

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D Operating Voltage Range of 4.5 V to 5.5 V
D State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
SN54BCT541 . . . J OR W PACKAGE
SN74BCT541A . . . DW, N, OR NS PACKAGE
(TOP VIEW)
SN54BCT541, SN74BCT541A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS011E – JULY 1988 – REVISED MARCH 2003
D P-N-P Inputs Reduce DC Loading
D Data Flow-Through Pinout (All Inputs on
Opposite Side From Outputs)
SN54BCT541 . . . FK PACKAGE
(TOP VIEW)
OE1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
A3
3 2 1 20 19
4
18
Y1
A4 5
17 Y2
A5 6
16 Y3
A6 7
15 Y4
A7 8
14 Y5
9 10 11 12 13
description/ordering information
The SN54BCT541 and SN74BCT541A octal buffers and line drivers are ideal for driving bus lines or buffering
memory-address registers. The 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.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74BCT541AN
SN74BCT541AN
0°C to 70°C
SOIC – DW
Tube
Tape and reel
SN74BCT541ADW
SN74BCT541ADWR
BCT541A
SOP – NS
Tape and reel SN74BCT541ANSR
BCT541A
CDIP – J
Tube
SNJ54BCT541J
SNJ54BCT541J
–55°C to 125°C CFP – W
Tube
SNJ54BCT541W
SNJ54BCT541W
LCCC – FK
Tube
SNJ54BCT541FK
SNJ54BCT541FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
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.
1




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SNJ54BCT541J Datasheet Preview

SNJ54BCT541J Datasheet

OCTAL BUFFERS/DRIVERS

No Preview Available !

SN54BCT541, SN74BCT541A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS011E JULY 1988 REVISED MARCH 2003
logic diagram (positive logic)
FUNCTION TABLE
INPUTS
OE1 OE2 A
OUTPUT
Y
L
L
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
OE1 1
19
OE2
2
A1
18
Y1
To Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . . 0.5 V to 5.5 V
Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VCC
Current into any output in the low state: SN54BCT541 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
SN74BCT541A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Package thermal impedance, θJA (see Note 2): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Stresses beyond those listed under absolute maximum ratingsmay 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 conditionsis not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions (see Note 3)
SN54BCT541
MIN NOM MAX
SN74BCT541A
UNIT
MIN NOM MAX
VCC Supply voltage
4.5
5 5.5 4.5
5 5.5 V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8 V
IIK
Input clamp current
18
18 mA
IOH
High-level output current
12
15 mA
IOL
Low-level output current
48
64 mA
TA
Operating free-air temperature
55
125
0
70 °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.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SNJ54BCT541J
Description OCTAL BUFFERS/DRIVERS
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