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SN74HCT645DWRE4 PDF预览

SN74HCT645DWRE4

更新时间: 2024-11-23 05:17:23
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
15页 410K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

SN74HCT645DWRE4 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP20,.4
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.49
其他特性:WITH DIRECTION CONTROL控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:HCT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:12.8 mm负载电容(CL):150 pF
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.006 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:TAPE AND REEL峰值回流温度(摄氏度):260
电源:5 VProp。Delay @ Nom-Sup:28 ns
传播延迟(tpd):38 ns认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Bus Driver/Transceivers
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 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

SN74HCT645DWRE4 数据手册

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ꢊ ꢅꢆꢋꢌ ꢍꢎꢀ ꢆ ꢏꢋꢁꢀ ꢅꢐ ꢑ ꢒꢐ ꢏ  
SCLS019D − MARCH 1984 − REVISED AUGUST 2003  
D
D
Operating Voltage Range of 4.5 V to 5.5 V  
D
D
D
D
6-mA Output Drive at 5 V  
High-Current 3-State Outputs Can Drive Up  
To 15 LSTTL Loads  
Low Input Current of 1 µA Max  
Inputs Are TTL-Voltage Compatible  
True Logic  
D
Low Power Consumption, 80-µA Max I  
CC  
D
Typical t = 14 ns  
pd  
SN54HCT645 . . . J OR W PACKAGE  
SN74HCT645 . . . DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
SN54HCT645 . . . FK PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
3
2
1
20 19  
18  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
A3  
A4  
A5  
A6  
A7  
B1  
B2  
B3  
B4  
4
5
6
7
8
17  
16  
15  
14 B5  
9 10 11 12 13  
GND  
description/ordering information  
These octal bus transceivers are designed for asynchronous two-way communication between data buses.  
These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the  
level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the  
buses are effectively isolated.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
PDIP − N  
Tube of 20  
Tube of 25  
Reel of 2000  
Reel of 2000  
Tube of 70  
Reel of 2000  
Reel of 250  
Tube of 20  
Tube of 85  
Tube of 55  
SN74HCT645N  
SN74HCT645N  
SN74HCT645DW  
SN74HCT645DWR  
SN74HCT645NSR  
SN74HCT645PW  
SN74HCT645PWR  
SN74HCT645PWT  
SNJ54HCT645J  
SOIC − DW  
SOP − NS  
HCT645  
HCT645  
−40°C to 85°C  
TSSOP − PW  
HT645  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54HCT645J  
SNJ54HCT645W  
SNJ54HCT645FK  
SNJ54HCT645W  
SNJ54HCT645FK  
−55°C to 125°C  
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  
ꢎ ꢁ ꢌꢐꢀꢀ ꢊ ꢆꢄ ꢐꢏꢓ ꢑꢀ ꢐ ꢁ ꢊꢆꢐꢗ ꢘꢙ ꢚꢛ ꢜꢝꢞ ꢟꢠꢡ ꢢꢘ ꢞꢝ ꢢꢘꢣ ꢚꢢꢛ ꢖꢏ ꢊ ꢗ ꢎ ꢅꢆ ꢑꢊ ꢁ  
ꢦꢣ ꢥ ꢣ ꢠ ꢡ ꢘ ꢡ ꢥ ꢛ ꢩ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74HCT645DWRE4 替代型号

型号 品牌 替代类型 描述 数据表
SN74HCT645DW TI

完全替代

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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