SN54AHCT541, SN74AHCT541
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS

SCLS269O – DECEMBER 1995 – REVISED JULY 2003
1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
C0068 Inputs Are TTL-Voltage Compatible
C0068 Latch-Up Performance Exceeds 250 mA Per
JESD 17
C0068 ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
description/ordering information
The ’AHCT541 octal buffers/drivers are ideal for
driving bus lines or buffer 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 corresponding
outputs are in the high-impedance state. The
outputs provide noninverted data when they are
not in the high-impedance state.
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.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N Tube SN74AHCT541N SN74AHCT541N
SOIC DW
Tube SN74AHCT541DW
AHCT541 –
Tape and reel SN74AHCT541DWR
40°Cto85°C
SOP – NS Tape and reel SN74AHCT541NSR AHCT541
– C to 85
SSOP – DB Tape and reel SN74AHCT541DBR HB541
TSSOP PW
Tube SN74AHCT541PW
HB541 –
Tape and reel SN74AHCT541PWR
TVSOP – DGV Tape and reel SN74AHCT541DGVR HB541
CDIP – J Tube SNJ54AHCT541J SNJ54AHCT541J
–55°C to 125°C CFP – W Tube SNJ54AHCT541W SNJ54AHCT541W
LCCC – FK Tube SNJ54AHCT541FK SNJ54AHCT541FK
†
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.
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
SN54AHCT541 ...J OR W PACKAGE
SN74AHCT541 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
Y1
Y2
Y3
Y4
Y5
A3
A4
A5
A6
A7
SN54AHCT541 . . . FK PACKAGE
(TOP VIEW)
A2 A1 OE1
Y7 Y6
OE2
A8
GND
Y8
V
CC
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.