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SN74ALVCH16646DGV

更新时间： 2024-11-05 23:09:43
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
12页 189K
描述
16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS

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SN74ALVCH16646DGV 技术参数

生命周期：Obsolete零件包装代码：SSOP
包装说明：PLASTIC, TVSOP-56针数：56
Reach Compliance Code：unknown风险等级：5.72
其他特性：WITH DIRECTION CONTROL系列：ALVC/VCX/A
JESD-30 代码：R-PDSO-G56长度：11.3 mm
逻辑集成电路类型：REGISTERED BUS TRANSCEIVER位数：8
功能数量：2端口数量：2
端子数量：56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：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH传播延迟（tpd）：5.6 ns
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：1.65 V
标称供电电压 (Vsup)：1.8 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.4 mm
端子位置：DUAL宽度：4.4 mm

SN74ALVCH16646DGV 数据手册

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SN74ALVCH16646  
16-BIT BUS TRANSCEIVER AND REGISTER  
WITH 3-STATE OUTPUTS  
SCES032E– JULY 1995 – REVISED FEBRUARY 1999  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
1DIR  
1CLKAB  
1SAB  
GND  
1OE  
2
1CLKBA  
1SBA  
GND  
1B1  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
3
4
5
1A1  
1A2  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
6
1B2  
7
V
V
CC  
CC  
8
1A3  
1A4  
1A5  
GND  
1A6  
1A7  
1A8  
2A1  
2A2  
2A3  
GND  
2A4  
2A5  
2A6  
1B3  
1B4  
1B5  
GND  
1B6  
1B7  
1B8  
2B1  
2B2  
2B3  
GND  
2B4  
2B5  
2B6  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL), Thin Shrink  
Small-Outline (DGG), and Thin Very  
Small-Outline (DGV) Packages  
description  
This 16-bit bus transceiver and register is  
designed for 1.65-V to 3.6-V V operation.  
CC  
The SN74ALVCH16646 can be used as two 8-bit  
transceivers or one 16-bit transceiver. Data on the  
A or B bus is clocked into the registers on the  
low-to-high transition of the appropriate clock  
(CLKAB or CLKBA) input. Figure 1 illustrates the  
four fundamental bus-management functions that  
can be performed with the SN74ALVCH16646.  
V
V
CC  
CC  
2A7  
2A8  
GND  
2B7  
2B8  
GND  
2SBA  
2CLKBA  
2OE  
2SAB  
2CLKAB  
2DIR  
Output-enable (OE) and direction-control (DIR)  
inputs are provided to control the transceiver  
functions. Inthetransceivermode, datapresentat  
the high-impedance port may be stored in either  
register or in both. The select-control (SAB and SBA) inputs can multiplex stored and real-time (transparent  
mode)data. Thecircuitryusedforselectcontroleliminatesthetypicaldecodingglitchthatoccursinamultiplexer  
during the transition between stored and real-time data. DIR determines which bus receives data when OE is  
low. In the isolation mode (OE high), A data may be stored in one register and/or B data may be stored in the  
other register.  
When an output function is disabled, the input function is still enabled and may be used to store and transmit  
data. Only one of the two buses, A or B, can be driven at a time.  
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup  
CC  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.  
The SN74ALVCH16646 is characterized for operation from –40°C to 85°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
EPIC and Widebus are trademarks of Texas Instruments Incorporated.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...12

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 		16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS
SN74ALVCH16646DLR TI

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 		16-Bit Bus Transceiver And Register With 3-State Outputs 56-SSOP -40 to 85
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SN74ALVCH16652DL TI

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 		3.3-V 20-BIT FLIP-FLOP WITH 3-STATE OUTPUTS
SN74ALVCH16721DGG TI

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 		3.3-V 20-BIT FLIP-FLOP WITH 3-STATE OUTPUTS
SN74ALVCH16721DGGR TI

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SN74ALVCH16721DGV TI

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 		3.3-V 20-BIT FLIP-FLOP WITH 3-STATE OUTPUTS
SN74ALVCH16721DL TI

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