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SN54AHCT540_15

更新时间： 2024-11-29 02:58:19
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德州仪器 - TI 驱动输出元件
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17页 552K
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OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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SN54AHCT540_15 数据手册

 浏览型号SN54AHCT540_15的Datasheet PDF文件第2页浏览型号SN54AHCT540_15的Datasheet PDF文件第3页浏览型号SN54AHCT540_15的Datasheet PDF文件第4页浏览型号SN54AHCT540_15的Datasheet PDF文件第5页浏览型号SN54AHCT540_15的Datasheet PDF文件第6页浏览型号SN54AHCT540_15的Datasheet PDF文件第7页 
SN54AHCT540, SN74AHCT540  
OCTAL BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
SCLS268L – DECEMBER 1995 – REVISED JULY 2003  
SN54AHCT540 . . . J OR W PACKAGE  
SN74AHCT540 . . . DB, DGV, DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
Inputs Are TTL-Voltage Compatible  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
OE1  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE2  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Y1  
Y2  
Y3  
Y4  
– 1000-V Charged-Device Model (C101)  
description/ordering information  
Y5  
The ’AHCT540 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.  
13 Y6  
12 Y7  
11  
GND  
Y8  
SN54AHCT540 . . . FK PACKAGE  
(TOP VIEW)  
The 3-state control gate is a two-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 inverted data when  
they are not in the high-impedance state.  
3
2
1
20 19  
18  
Y1  
Y2  
Y3  
Y4  
Y5  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
17  
16  
15  
14  
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.  
9 10 11 12 13  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP – N  
Tube  
SN74AHCT540N  
SN74AHCT540N  
Tube  
SN74AHCT540DW  
SN74AHCT540DWR  
SN74AHCT540NSR  
SN74AHCT540DBR  
SN74AHCT540PW  
SN74AHCT540PWR  
SOIC – DW  
AHCT540  
Tape and reel  
Tape and reel  
Tape and reel  
Tube  
SOP – NS  
AHCT540  
HB540  
–40°C to 85°C  
SSOP – DB  
TSSOP – PW  
HB540  
Tape and reel  
Tape and reel  
Tube  
TVSOP – DGV  
CDIP – J  
SN74AHCT540DGVR HB540  
SNJ54AHCT540J  
SNJ54AHCT540W  
SNJ54AHCT540FK  
SNJ54AHCT540J  
–55°C to 125°C  
CFP – W  
Tube  
SNJ54AHCT540W  
SNJ54AHCT540FK  
LCCC – FK  
Tube  
†
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.  
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.  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...17

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