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MC74HC646DWD

更新时间： 2024-09-23 13:11:19
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 总线收发器触发器
页数 文件大小 规格书
14页 331K
描述
Registered Bus Transceiver, 1-Func, 8-Bit, True Output, CMOS, PDSO24

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中文翻译

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MC74HC646DWD 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP, SOP24,.4Reach Compliance Code：unknown
风险等级：5.92控制类型：INDEPENDENT CONTROL
计数方向：BIDIRECTIONALJESD-30 代码：R-PDSO-G24
JESD-609代码：e0逻辑集成电路类型：REGISTERED BUS TRANSCEIVER
位数：8功能数量：1
端子数量：24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：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
电源：2/6 V子类别：Bus Driver/Transceivers
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL触发器类型：POSITIVE EDGE
Base Number Matches：1

MC74HC646DWD 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
High–Performance Silicon–Gate CMOS  
J SUFFIX  
CERAMIC PACKAGE  
CASE 758–02  
The MC54/74HC646 is identical in pinout to the LS646. The device inputs  
are compatible with standard CMOS outputs; with pullup resistors, they are  
compatible with LSTTL outputs.  
24  
1
These devices are bus transceivers with D flip–flops. Depending on the  
status of the Data–Source Selection pins, data may be routed to the outputs  
either from the flip–flops or transmitted real–time from the inputs (see  
Function Table and Application Information).  
The Output Enable and the Direction pins control the transceiver’s  
function. Bus A and Bus B cannot be routed as outputs to each other  
simultaneously, but can be routed as inputs to the A and B flip–flops. Also,  
the A and B flip–flops can be routed as outputs to Bus A and Bus B.  
Additionally, when either or both of the ports are in the high–impedance  
state, these I/O pins may be used as inputs to the D flip–flops for data  
storage.  
N SUFFIX  
PLASTIC PACKAGE  
CASE 724–03  
24  
1
DW SUFFIX  
SOIC PACKAGE  
CASE 751E–04  
24  
1
The user should note that because the clocks are not gated with the  
Direction and Output Enable pins, data at the A and B ports may be clocked  
into the storage flip–flops at any time.  
ORDERING INFORMATION  
MC54HCXXXJ  
MC74HCXXXN  
MC74HCXXXDW  
Ceramic  
Plastic  
SOIC  
•
•
•
•
•
•
Output Drive Capability: 15 LSTTL Loads  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 2 to 6 V  
Low Input Current: 1 µA  
PIN ASSIGNMENT  
High Noise Immunity Characteristic of CMOS Devices  
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
A–TO–B  
1
2
3
4
5
6
24  
23  
22  
21  
20  
19  
V
CC  
CLOCK  
B–TO–A  
CLOCK  
A–TO–B  
SOURCE  
DIRECTION  
•
Chip Complexity: 780 FETs or 195 Equivalent Gates  
B–TO–A  
SOURCE  
OUTPUT ENABLE  
A0  
A1  
A2  
B0  
B1  
LOGIC DIAGRAM  
4
5
6
7
20  
19  
18  
17  
A3  
A4  
7
18  
17  
16  
15  
14  
13  
B2  
B3  
B4  
B5  
B6  
B7  
A0  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
B0  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
8
A5  
9
A
DATA  
PORT  
B
DATA  
PORT  
8
9
10  
16  
15  
14  
A6  
10  
11  
12  
A7  
GND  
11  
13  
21  
OUTPUT ENABLE  
3
1
DIRECTION  
FLIP–FLOP  
CLOCKS  
A–TO–B CLOCK  
23  
2
B–TO–A CLOCK  
A–TO–B SOURCE  
B–TO–A SOURCE  
DATA SOURCE  
SELECTION  
INPUTS  
22  
PIN 24 = V  
PIN 12 = GND  
CC  
10/95  
Motorola, Inc. 1995  
REV 6  
1234567...14

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与MC74HC646DWD相关器件

型号 品牌 获取价格 描述 数据表
MC74HC646DWDS MOTOROLA

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 		Registered Bus Transceiver, 1-Func, 8-Bit, True Output, CMOS, PDSO24
MC74HC646DWR2 MOTOROLA

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 		Registered Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.300
MC74HC646DWS MOTOROLA

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 		Registered Bus Transceiver, 1-Func, 8-Bit, True Output, CMOS, PDSO24
MC74HC646J MOTOROLA

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 		Registered Bus Transceiver, 1-Func, 8-Bit, True Output, CMOS, CDIP24
MC74HC646JD MOTOROLA

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 		IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,24PIN,CERAMIC
MC74HC646JDS MOTOROLA

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 		Registered Bus Transceiver, 1-Func, 8-Bit, True Output, CMOS, CDIP24
MC74HC646JS MOTOROLA

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 		IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,24PIN,CERAMIC
MC74HC646N MOTOROLA

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 		Octal 3-State Bus Transceivers and D Flip-Flops
MC74HC646ND MOTOROLA

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 		IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,24PIN,PLASTIC
MC74HC646NDS MOTOROLA

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 		IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,24PIN,PLASTIC

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