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74ALVCH32973EC PDF预览

74ALVCH32973EC

更新时间: 2024-09-17 01:16:07
品牌 Logo 应用领域
安世 - NEXPERIA 逻辑集成电路
页数 文件大小 规格书
17页 795K
描述
16-bit bus transceiver and transparant D-type latch with 8 independent buffers

74ALVCH32973EC 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:13.50 X 5.50 MM, 1.05 MM HEIGHT, PLASTIC, SOT536-1, LFBGA-96Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.74
系列:LVC/LCX/ZJESD-30 代码:R-PBGA-B96
JESD-609代码:e1长度:13.5 mm
逻辑集成电路类型:BUS TRANSCEIVER湿度敏感等级:2
位数:16功能数量:2
端口数量:2端子数量:96
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:LFBGA
封装形状:RECTANGULAR封装形式:GRID ARRAY, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260传播延迟(tpd):5.9 ns
座面最大高度:1.5 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):1.2 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形式:BALL端子节距:0.8 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:30
宽度:5.5 mmBase Number Matches:1

74ALVCH32973EC 数据手册

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74ALVCH32973  
16-bit bus transceiver and transparant D-type latch with 8  
independent buffers  
Rev. 3 — 17 January 2013  
Product data sheet  
1. General description  
The 74ALVCH32973 is a 16-bit bus transceiver and transparent D-type latch with 8  
independent buffers with bus hold inputs and 3-state outputs. It features direction (1DIR,  
2DIR), latch enable (1LOE, 2LOE), transceiver output enable (1TOE, 2TOE) and latch  
enable (1LE, 2LE) control inputs; four 8-bit transceiver ports (1An, 2An & 1Bn, 2Bn); two  
8-bit D-type latch output ports (1Qn, 2Qn) and an 8-bit buffer with data inputs Dn and  
outputs Yn. The configuration of the control pins allows the device to be used as one 8-bit  
buffer, two 8-bit transceivers, and two 8-bit latches or one 8-bit buffer, one 16-bit  
transceiver and one 16-bit latch.  
The 8-bit buffer functions independently of the control inputs. The direction of data  
transmission between A and B is controlled by nDIR and when nTOE is set HIGH the A  
and B ports will assume a HIGH-impedance OFF-state, they will be effectively isolated.  
When nLE is HIGH, data at the A inputs enter the latches. In this condition the latches are  
transparent, a Q output will change each time its corresponding A-input changes. When  
nLE is LOW the latches store the information that was present at the inputs a set-up time  
preceding the HIGH-to-LOW transition of nLE. A HIGH on nLOE causes the Q outputs to  
assume a high-impedance OFF-state. Operation of the nLOE input does not affect the  
state of the latches.  
2. Features and benefits  
Wide supply voltage range from 1.2 V to 3.6 V  
Complies with JEDEC standard JESD8-B  
CMOS low power consumption  
Direct interface with TTL levels  
All data inputs have bus hold  
Output drive capability 50 transmission lines at 85 C  
Current drive 24 mA at VCC = 3.0 V  

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