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54ABT16500 PDF预览

54ABT16500

更新时间: 2024-01-20 06:43:24
品牌 Logo 应用领域
美国国家半导体 - NSC 总线收发器
页数 文件大小 规格书
8页 116K
描述
18-Bit Universal Bus Transceivers with TRI-STATE Outputs

54ABT16500 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DFP, FL56,.4,25Reach Compliance Code:unknown
ECCN代码:3A001.A.2.CHTS代码:8542.39.00.01
风险等级:5.55其他特性:WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION
控制类型:INDEPENDENT CONTROL计数方向:BIDIRECTIONAL
系列:ABTJESD-30 代码:R-GDFP-F56
JESD-609代码:e0逻辑集成电路类型:REGISTERED BUS TRANSCEIVER
最大I(ol):0.048 A位数:18
功能数量:1端口数量:2
端子数量:56最高工作温度:125 °C
最低工作温度:-55 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DFP封装等效代码:FL56,.4,25
封装形状:RECTANGULAR封装形式:FLATPACK
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
Prop。Delay @ Nom-Sup:7 ns传播延迟(tpd):8 ns
认证状态:Not Qualified筛选级别:38535Q/M;38534H;883B
座面最大高度:2.54 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:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:FLAT
端子节距:0.64 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:NEGATIVE EDGE宽度:9.65 mm
Base Number Matches:1

54ABT16500 数据手册

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July 1998  
54ABT16500  
18-Bit Universal Bus Transceivers with TRI-STATE®  
Outputs  
To ensure the high-impedance state during power up or  
power down, OE should be tied to GND through a pulldown  
resistor; the minimum value of the resistor is determined by  
the current-sourcing capability of the driver.  
General Description  
These 18-bit universal bus transceivers combine D-type  
latches and D-type flip-flops to allow data flow in transparent,  
latched, and clocked modes.  
Data flow in each direction is controlled by output-enable  
(OEAB and OEBA), latch-enable (LEAB and LEBA), and  
clock (CLKAB and CLKBA) inputs. For A-to-B data flow, the  
device operates in the transparent mode when LEAB is high.  
When LEAB is low, the A data is latched if CLKAB is held at  
a high or low logic level. If LEAB is low, the A bus data is  
stored in the latch/flip-flop on the high-to-low transition of  
CLKAB. Output-enable OEAB is active-high. When OEAB is  
high, the outputs are active. When OEAB is low, the outputs  
are in the high-impedance state.  
Features  
n Combines D-Type latches and D-Type flip-flops for  
operation in transparent, latched, or clocked mode  
n Flow-through architecture optimizes PCB layout  
n Guaranteed latch-up protection  
n High impedance glitch free bus loading during entire  
power up and power down cycle  
n Non-destructive hot insertion capability  
n Standard Microcircuit Drawing (SMD) 5962-9687001  
Data flow for B to A is similar to that of A to B but uses OEBA,  
LEBA, and CLKBA. The output enables are complementary  
(OEAB is active high and OEBA is active low).  
Ordering Code  
Military  
Package  
Number  
Package Description  
54ABT16500W-QML  
WA56A  
56-Lead Cerpack  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
1
© 1998 National Semiconductor Corporation  
DS100225  
www.national.com  
PrintDate=1998/07/14 PrintTime=11:08:55 43605 ds100225 Rev. No. 1 cmserv Proof  
1

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