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74AC646SC PDF预览

74AC646SC

更新时间: 2024-11-21 04:28:43
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 总线驱动器总线收发器触发器逻辑集成电路光电二极管
页数 文件大小 规格书
9页 82K
描述
Octal Transceiver/Register with 3-STATE Outputs

74AC646SC 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:0.300 INCH, MS-013, SOIC-24
针数:24Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.25
Is Samacsys:N其他特性:WITH DIRECTION CONTROL
控制类型:INDEPENDENT CONTROL计数方向:BIDIRECTIONAL
系列:ACJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:15.4 mm
逻辑集成电路类型:REGISTERED 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: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
峰值回流温度(摄氏度):260电源:3.3/5 V
Prop。Delay @ Nom-Sup:13.5 ns传播延迟(tpd):18.5 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):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:Matte Tin (Sn)
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 mmBase Number Matches:1

74AC646SC 数据手册

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November 1988  
Revised October 2000  
74AC646 74ACT646  
Octal Transceiver/Register with 3-STATE Outputs  
General Description  
Features  
Independent registers for A and B buses  
Multiplexed real-time and stored data transfers  
3-STATE outputs  
The AC/ACT646 consist of registered bus transceiver cir-  
cuits, with outputs, D-type flip-flops and control circuitry  
providing multiplexed transmission of data directly from the  
input bus or from the internal storage registers. Data on the  
A or B bus will be loaded into the respective registers on  
the LOW-to-HIGH transition of the appropriate clock pin  
(CPAB or CPBA). The four fundamental data handling  
functions available are illustrated in Figures 1, 2, 3, and  
Figure 4.  
300 mil dual-in-line package  
Outputs source/sink 24 mA  
ACT646 has TTL compatible inputs  
Ordering Code:  
Order Number Package Number  
Package Description  
74AC646SC  
M24B  
N24C  
M24B  
N24C  
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
74AC646SPC  
74ACT646SC  
74ACT646SPC  
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
Pin Descriptions  
Pin Names  
Description  
A0A7  
B0B7  
Data Register A Inputs  
Data Register A Outputs  
Data Register B Inputs  
Data Register B Outputs  
Clock Pulse Inputs  
CPAB, CPBA  
SAB, SBA  
G
Transmit/Receive Inputs  
Output Enable Input  
DIR  
Direction Control Input  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 2000 Fairchild Semiconductor Corporation  
DS010132  
www.fairchildsemi.com  

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