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SN74BCT646DWRE4

更新时间： 2024-11-05 05:17:35
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输入元件信息通信管理
页数 文件大小 规格书
18页 386K
描述
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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SN74BCT646DWRE4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：GREEN, PLASTIC, SOIC-24针数：24
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.55Is Samacsys：N
其他特性：DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/ REAL TIME DATA控制类型：INDEPENDENT CONTROL
计数方向：BIDIRECTIONAL系列：BCT/FBT
JESD-30 代码：R-PDSO-G24长度：15.4 mm
负载电容（CL）：50 pF逻辑集成电路类型：REGISTERED BUS TRANSCEIVER
最大I（ol）：0.064 A位数：8
功能数量：1端口数量：2
端子数量：24最高工作温度：70 °C
最低工作温度：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：SOP24,.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）：NOT SPECIFIED
电源：5 V最大电源电流（ICC）：67 mA
Prop。Delay @ Nom-Sup：10.5 ns传播延迟（tpd）：11.2 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：BICMOS
温度等级：COMMERCIAL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
触发器类型：POSITIVE EDGE宽度：7.5 mm
Base Number Matches：1

SN74BCT646DWRE4 数据手册

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SCBS037D − AUGUST 1989 − REVISED MAY 2004  
D
State-of-the-Art BiCMOS Design  
Significantly Reduces I  
D
Multiplexed Real-Time and Stored Data  
CCZ  
D
ESD Protection Exceeds JESD 22  
− 2000-V Human-Body Model (A114-A)  
− 200-V Machine Model (A115-A)  
D
Bus Transceivers/Registers  
D
Independent Registers and Enables for  
A and B Buses  
SN54BCT646 . . . JT OR W PACKAGE  
SN74BCT646 . . . DW OR NT PACKAGE  
(TOP VIEW)  
SN54BCT646 . . . FK PACKAGE  
(TOP VIEW)  
CLKAB  
SAB  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
GND  
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
CLKBA  
SBA  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
2
3
4
3
2
1 28 27 26  
25  
A1  
A2  
A3  
NC  
A4  
A5  
A6  
OE  
B1  
B2  
NC  
B3  
B4  
B5  
5
4
24  
23  
22  
21  
20  
19  
6
5
7
6
8
7
9
8
10  
11  
9
10  
11  
12  
12 13 14 15 16 17 18  
B8  
NC − No internal connection  
description/ordering information  
These devices consist of bus transceiver circuits, D-type flip-flops, and control circuitry arranged for multiplexed  
transmission of data directly from the input bus or from the internal registers. Data on the A or B bus is clocked  
into the registers on the low-to-high transition of the appropriate clock (CLKAB or CLKBA) input. Figure 1  
illustrates the four fundamental bus-management functions that can be performed with the ’BCT646 devices.  
Output-enable (OE) and direction-control (DIR) inputs are provided to control the transceiver functions. In the  
transceiver mode, data present at the high-impedance port can be stored in either register or in both.  
The select-control (SAB and SBA) inputs can multiplex stored and real-time (transparent mode) data. The  
direction control (DIR) determines which bus will receive data when OE is low. In the isolation mode (OE high),  
A data can be stored in one register and/or B data can be stored in the other register.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP − NT  
SOIC − DW  
Tube  
SN74BCT646NT  
SN74BCT646DW  
SN74BCT646DWR  
SNJ54BCT646JT  
SNJ54BCT646W  
SNJ54BCT646FK  
SN74BCT646NT  
Tube  
0°C to 70°C  
BCT646  
Tape and reel  
Tube  
CDIP − JT  
CFP − W  
SNJ54BCT646JT  
SNJ54BCT646W  
SNJ54BCT646FK  
−55°C to 125°C  
Tube  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...18

中文翻译

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SN74BCT646DWRE4 替代型号

型号 品牌 替代类型 描述 数据表
SN74BCT646DWE4 TI

完全替代

 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT646DW TI

完全替代

 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT646NT TI

完全替代

 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

与SN74BCT646DWRE4相关器件

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SN74BCT646DWRG4 TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT646JT TI

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 		BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24, 0.300 INCH, CERAMIC, DI
SN74BCT646NT TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT646NTE4 TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT646W TI

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 		BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDFP24, PLASTIC, DFP-24
SN74BCT648 TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT648DW TI

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 		Octal Bus Transceivers And Registers 24-SOIC 0 to 70
SN74BCT648DWR TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT648NT TI

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 		Octal Bus Transceivers And Registers 24-PDIP 0 to 70
SN74BCT651 TI

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 		OCTAL BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS

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