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74ABT646CMSA PDF预览

74ABT646CMSA

更新时间： 2024-11-09 20:15:27
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管输出元件逻辑集成电路触发器
页数 文件大小 规格书
16页 315K
描述
ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, EIAJ TYPE2, PLASTIC, SSOP-24

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74ABT646CMSA 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：SSOP, SSOP24,.3Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.67
其他特性：DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA控制类型：INDEPENDENT CONTROL
计数方向：BIDIRECTIONAL系列：ABT
JESD-30 代码：R-PDSO-G24JESD-609代码：e0
长度：8.2 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：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：SSOP
封装等效代码：SSOP24,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH电源：5 V
最大电源电流（ICC）：30 mAProp。Delay @ Nom-Sup：4.8 ns
传播延迟（tpd）：10 ns认证状态：Not Qualified
座面最大高度：2.05 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：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
翻译：N/A触发器类型：POSITIVE EDGE
宽度：5.3 mmBase Number Matches：1

74ABT646CMSA 数据手册

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August 1996  
54ABT/74ABT646  
Octal Transceivers and Registers with  
TRI-STATE Outputs  
É
General Description  
Features  
Y
Independent registers for A and B buses  
The ’ABT646 consists of bus transceiver circuits with TRI-  
STATE, 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 will be  
clocked into the registers as the appropriate clock pin goes  
to a high logic level. Control OE and direction pins are pro-  
vided to control the transceiver function. In the transceiver  
mode, data present at the high impedance port may be  
stored in either the A or the B register or in both. The select  
controls can multiplex stored and real-time (transparent  
mode) data. The direction control determines which bus will  
receive data when the enable control OE is Active LOW. In  
the isolation mode (control OE HIGH), A data may be stored  
in the B register and/or B data may be stored in the A regis-  
ter.  
Y
Multiplexed real-time and stored data  
Y
A and B output sink capability of 64 mA, source capa-  
bility of 32 mA  
Y
Y
Y
Guaranteed output skew  
Guaranteed multiple output switching specifications  
Output switching specified for both 50 pF and 250 pF  
loads  
Y
Guaranteed simultaneous switching noise level and dy-  
namic threshold performance  
Y
Y
Guaranteed latchup protection  
High impedance glitch free bus loading during entire  
power up and power down cycle  
Y
Y
Nondestructive hot insertion capability  
Standard Military Drawing (SMD) 5962-9457701  
Package  
Commercial  
Military  
Package Description  
Number  
74ABT646CSC (Note 1)  
M24B  
24-Lead (0.300 Wide) Molded Small Outline, JEDEC  
×
54ABT646J/883  
54ABT646W/883  
J24A  
24-Lead Ceramic Dual-In-Line  
74ABT646CMSA (Note 1)  
MSA24 24-Lead Molded Shrink Small Outline, EIAJ Type II  
W24C  
24-Lead Cerpak  
54ABT5646E/883 E28A  
28-Lead Ceramic Leadless Chip Carrier, Type C  
74ABT646CMTC (Notes 1, 2)  
MTC24 24-Lead Molded Thin Shrink Small Outline, JEDEC  
e
Note 1: Devices also available in 13 reel. Use suffix  
×
Note 2: Contact factory for package availability.  
SCX, MSAX and MTCX.  
Connection Diagrams  
Pin Descriptions  
Pin Assignment for  
SOIC, SSOP and Flatpak  
Pin Assignment for LCC  
Pin  
Description  
Names  
A –A  
0
Data Register A Inputs/  
TRI-STATE Outputs  
Data Register B Inputs/  
TRI-STATE Outputs  
Clock Pulse Inputs  
7
7
B –B  
0
CPAB,  
CPBA  
SAB, SBA Select Inputs  
OE  
Output Enable Input  
Direction Control Input  
DIR  
TL/F/10978–4  
TL/F/10978–3  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
C
1996 National Semiconductor Corporation  
TL/F/10978  
RRD-B30M96/Printed in U. S. A.  
http://www.national.com  
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74ABT646CMTCX FAIRCHILD

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 		Single 8-bit Bus Transceiver
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 		ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, TSSOP-24
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74ABT646CPC TI

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