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SN74ALVCH16823

更新时间： 2024-11-16 23:09:43
品牌 Logo 应用领域
德州仪器 - TI 触发器输出元件
页数 文件大小 规格书
10页 140K
描述
18-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

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SN74ALVCH16823 数据手册

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SN74ALVCH16823  
18-BIT BUS-INTERFACE FLIP-FLOP  
WITH 3-STATE OUTPUTS  
SCES038D – JULY 1995 – REVISED FEBRUARY 1999  
DGG OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1CLR  
1OE  
1Q1  
GND  
1Q2  
1Q3  
1CLK  
1CLKEN  
1D1  
GND  
1D2  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
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46  
45  
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40  
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37  
36  
35  
34  
33  
32  
31  
30  
29  
2
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
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
1D3  
6
V
V
7
CC  
CC  
1Q4  
1Q5  
1Q6  
GND  
1Q7  
1Q8  
1Q9  
2Q1  
2Q2  
2Q3  
GND  
2Q4  
2Q5  
2Q6  
1D4  
1D5  
1D6  
GND  
1D7  
1D8  
1D9  
2D1  
2D2  
2D3  
GND  
2D4  
2D5  
2D6  
8
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
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Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL) and Thin Shrink  
Small-Outline (DGG) Packages  
description  
This 18-bit bus-interface flip-flop is designed for  
1.65-V to 3.6-V V operation.  
CC  
The SN74ALVCH16823 features 3-state outputs  
designed specifically for driving highly capacitive  
or relatively low-impedance loads. This device is  
particularly suitable for implementing wider buffer  
registers, I/O ports, bidirectional bus drivers with  
parity, and working registers.  
V
V
CC  
CC  
2Q7  
2Q8  
GND  
2Q9  
2OE  
2CLR  
2D7  
2D8  
GND  
2D9  
2CLKEN  
2CLK  
The SN74ALVCH16823 can be used as two 9-bit  
flip-flops or one 18-bit flip-flop. With the  
clock-enable (CLKEN) input low, the D-type  
flip-flops enter data on the low-to-high transitions  
of the clock. Taking CLKEN high disables the  
clock buffer, thus latching the outputs. Taking the  
clear (CLR) input low causes the Q outputs to go  
low independently of the clock.  
A buffered output-enable (OE) input can be used to place the nine outputs in either a normal logic state (high  
or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive  
thebuslinessignificantly. Thehigh-impedancestateandincreaseddriveprovidethecapabilitytodrivebuslines  
without need for interface or pullup components.  
The output-enable (OE) input does not affect the internal operation of the flip-flops. Old data can be retained  
or new data can be entered while the outputs are in the high-impedance state.  
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 SN74ALVCH16823 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...10

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与SN74ALVCH16823相关器件

型号 品牌 获取价格 描述 数据表
SN74ALVCH16823DGG TI

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 		18-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74ALVCH16823DGGR TI

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 		具有三态输出的 18 位总线接口触发器 | DGG | 56 | -40 to 85
SN74ALVCH16823DGVR TI

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 		具有三态输出的 18 位总线接口触发器 | DGV | 56 | -40 to 85
SN74ALVCH16823DL TI

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 		18-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74ALVCH16823DLG4 TI

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 		SN74ALVCH16823DLG4
SN74ALVCH16823DLR TI

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 		18-Bit Bus-Interface Flip-Flop With 3-State Outputs 56-SSOP -40 to 85
SN74ALVCH16825 TI

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 		18-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH16825DGG TI

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 		18-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH16825DGGR TI

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 		Member of the Texas Instruments Widebus
SN74ALVCH16825DL TI

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 		18-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS

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