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SN74AC245DWR PDF预览

SN74AC245DWR

更新时间: 2024-11-01 05:04:55
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器触发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
19页 589K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

SN74AC245DWR 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:SOIC
包装说明:SOIC-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:0.73Is Samacsys:N
其他特性:WITH DIRECTION CONTROL控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:AC
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:12.8 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.024 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:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TR峰值回流温度(摄氏度):260
电源:3.3/5 V最大电源电流(ICC):0.04 mA
Prop。Delay @ Nom-Sup:9 ns传播延迟(tpd):9 ns
认证状态:Not Qualified施密特触发器:No
座面最大高度:2.65 mm子类别:Bus Driver/Transceivers
最大供电电压 (Vsup):6 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:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED翻译:N/A
宽度:7.5 mmBase Number Matches:1

SN74AC245DWR 数据手册

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ꢉ ꢅꢊꢄꢋ ꢌꢍꢀ ꢊ ꢎꢄꢁꢀꢅ ꢏ ꢐꢑ ꢏ ꢎ  
SCAS461F − FEBRUARY 1995 − REVISED OCTOBER 2003  
SN54AC245 . . . J OR W PACKAGE  
SN74AC245 . . . DB, DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
D
D
D
2-V to 6-V V  
Operation  
CC  
Inputs Accept Voltages to 6 V  
Max t of 7 ns at 5 V  
pd  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
V
CC  
19 OE  
1
2
3
4
5
6
7
8
9
10  
20  
description/ordering information  
18  
17  
16  
15  
14  
13  
12  
11  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
The ’AC245 octal bus transceivers are designed  
for asynchronous two-way communication  
between data buses. The control-function  
implementation minimizes external timing  
requirements.  
When the output-enable (OE) is low, the device  
passes noninverted data from the A bus to the B  
bus or from the B bus to the A bus, depending on  
the logic level at the direction control (DIR) input.  
A high on OE disables the device so that the buses  
are effectively isolated.  
A8  
GND  
SN54AC245 . . . FK PACKAGE  
(TOP VIEW)  
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.  
3
2
1
20 19  
18  
B1  
B2  
B3  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
17  
16  
15 B4  
14 B5  
9 10 11 12 13  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
PDIP − N  
Tube  
SN74AC245N  
SN74AC245N  
Tube  
SN74AC245DW  
SN74AC245DWR  
SN74AC245NSR  
SN74AC245DBR  
SN74AC245PW  
SN74AC245PWR  
SNJ54AC245J  
SOIC − DW  
AC245  
Tape and reel  
Tape and reel  
Tape and reel  
Tube  
SOP − NS  
AC245  
AC245  
−40°C to 85°C  
SSOP − DB  
TSSOP − PW  
AC245  
Tape and reel  
Tube  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54AC245J  
SNJ54AC245W  
SNJ54AC245FK  
Tube  
SNJ54AC245W  
SNJ54AC245FK  
−55°C to 125°C  
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  
ꢉ ꢙ ꢤ ꢜ ꢛꢧ ꢢꢡ ꢟꢠ ꢡꢛ ꢝꢤ ꢦꢘ ꢞꢙ ꢟ ꢟꢛ ꢮꢐ ꢋꢕ ꢖꢎ ꢯ ꢕꢔꢰꢂ ꢔꢂꢇ ꢞꢦꢦ ꢤꢞ ꢜ ꢞ ꢝꢣ ꢟꢣꢜ ꢠ ꢞ ꢜ ꢣ ꢟꢣ ꢠꢟꢣ ꢧ  
ꢟ ꢣ ꢠ ꢟꢘ ꢙꢭ ꢛꢚ ꢞ ꢦꢦ ꢤꢞ ꢜ ꢞ ꢝ ꢣ ꢟ ꢣ ꢜ ꢠ ꢨ  
ꢠꢘ  
ꢢ ꢙꢦ ꢣꢠꢠ ꢛ ꢟꢩꢣ ꢜ ꢫꢘ ꢠꢣ ꢙ ꢛꢟꢣ ꢧꢨ ꢉ ꢙ ꢞꢦ ꢦ ꢛ ꢟꢩꢣ ꢜ ꢤꢜ ꢛ ꢧꢢꢡ ꢟꢠ ꢇ ꢤꢜ ꢛ ꢧꢢꢡ ꢟꢘꢛ ꢙ  
ꢛꢡ  
ꢛꢟ  
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1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74AC245DWR 替代型号

型号 品牌 替代类型 描述 数据表
SN74AC245IDWREP TI

完全替代

OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AC245DWRE4 TI

完全替代

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74AC245DW TI

完全替代

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74AC245N TI

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SN74AC245NE4 TI

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SN74AC245NSR TI

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SN74AC245NSRE4 TI

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OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74AC245NSRG4 TI

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SN74AC245PW TI

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OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS