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SN74AHC540 PDF预览

SN74AHC540

更新时间： 2024-01-07 14:58:15
品牌 Logo 应用领域
德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
7页 103K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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中文翻译

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SN74AHC540 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP-20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.8Is Samacsys：N
控制类型：ENABLE LOW计数方向：UNIDIRECTIONAL
系列：AHC/VHC/H/U/VJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：6.5 mm
负载电容（CL）：50 pF逻辑集成电路类型：BUS DRIVER
最大I（ol）：0.008 A湿度敏感等级：1
位数：8功能数量：1
端口数量：2端子数量：20
最高工作温度：125 °C最低工作温度：-40 °C
输出特性：3-STATE输出极性：INVERTED
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法：TR
峰值回流温度（摄氏度）：260电源：2/5.5 V
最大电源电流（ICC）：0.04 mAProp。Delay @ Nom-Sup：13.5 ns
传播延迟（tpd）：13.5 ns认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Bus Driver/Transceivers
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

SN74AHC540 数据手册

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SN54AHC540, SN74AHC540  
OCTAL BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
SCLS260H – DECEMBER 1995 – REVISED JANUARY 2000  
SN54AHC540 . . . J OR W PACKAGE  
SN74AHC540 . . . DB, DGV, DW, N, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS) Process  
Operating Range 2-V to 5.5-V V  
CC  
OE1  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE2  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Y1  
Y2  
Y3  
Y4  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Very Small-Outline (DGV), Thin  
Shrink Small-Outline (PW), and Ceramic  
Flat (W) Packages, Ceramic Chip Carriers  
(FK), and Standard Plastic (N) and Ceramic  
(J) DIPs  
Y5  
13 Y6  
12 Y7  
11  
GND  
Y8  
description  
SN54AHC540 . . . FK PACKAGE  
(TOP VIEW)  
The ’AHC540 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.  
3
2
1 20 19  
18  
Y1  
Y2  
Y3  
Y4  
Y5  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
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.  
17  
16  
15  
14  
9 10 11 12 13  
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.  
The SN54AHC540 is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74AHC540 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(each buffer/driver)  
INPUTS  
OUTPUT  
Y
OE1  
L
OE2  
L
A
L
H
L
L
L
H
X
X
H
X
Z
Z
X
H
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.  
EPIC is a trademark of Texas Instruments Incorporated.  
Copyright 2000, 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

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