SN54AHCT541, SN74AHCT541
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS269O – DECEMBER 1995 – REVISED JULY 2003
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
D
Inputs Are TTL-Voltage Compatible
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)
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
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74AHCT541N
SN74AHCT541N
SOIC
DW
Tube
SN74AHCT541DW
AHCT541
SOIC – DW
Tape and reel
SN74AHCT541DWR
AHCT541
40
°
C to 85
°
C
SOP – NS
Tape and reel
SN74AHCT541NSR
AHCT541
–
40
°
C
to 85
°
C
SSOP – DB
Tape and reel
SN74AHCT541DBR
HB541
TSSOP
PW
Tube
SN74AHCT541PW
HB541
TSSOP – PW
Tape and reel
SN74AHCT541PWR
HB541
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
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)
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
SN54AHCT541 . . . FK PACKAGE
(TOP VIEW)
A2
A1
OE1
Y7
Y6
OE2
A8
GND
Y8
V
CC
67
DVD48
harman/kardon
Содержание DVD 48
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