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SN74HC573A-Q1

更新时间： 2024-11-25 22:27:03
品牌 Logo 应用领域
德州仪器 - TI 锁存器输出元件
页数 文件大小 规格书
9页 205K
描述
OCTAL TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS

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SN74HC573A-Q1 数据手册

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SCLS600 − NOVEMBER 2004  
DW OR PW PACKAGE  
(TOP VIEW)  
D
Qualification in Accordance With  
AEC-Q100  
†
D
Qualified for Automotive Applications  
OE  
1D  
2D  
3D  
4D  
5D  
6D  
7D  
8D  
V
CC  
1Q  
2Q  
1
2
3
4
5
6
7
8
9
20  
19  
18  
D
Customer-Specific Configuration Control  
Can Be Supported Along With  
Major-Change Approval  
17 3Q  
16 4Q  
15 5Q  
14 6Q  
13 7Q  
12 8Q  
11 LE  
D
D
Wide Operating Voltage Range of 2 V to 6 V  
High-Current 3-State Outputs Drive Bus  
Lines Directly or up to 15 LSTTL Loads  
D
D
D
D
D
Low Power Consumption, 80-µA Max I  
Typical t = 21 ns  
pd  
6-mA Output Drive at 5 V  
Low Input Current of 1 µA Max  
Bus-Structured Pinout  
CC  
GND 10  
†
Contact factory for details. Q100 qualification data available on  
request.  
description/ordering information  
This octal transparent D-type latch features 3-state outputs designed specifically for driving highly capacitive  
or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports,  
bidirectional bus drivers, and working registers.  
While the latch-enable (LE) input is high, the Q outputs respond to the data (D) inputs. When LE is low, the  
outputs are latched to retain the data that was set up.  
A buffered output-enable (OE) input can be used to place the eight 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  
the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines  
without interface or pullup components.  
To ensure the high-impedance state during power up or power down, OE should be tied to V  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup  
CC  
OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered  
while the outputs are in the high-impedance state.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
‡
PACKAGE  
T
A
SOIC − DW  
Reel of 2500  
Reel of 2000  
SN74HC573AQDWRQ1 HC573AQ  
SN74HC573AQPWRQ1 HC573AQ  
−40°C to 125°C  
TSSOP − PW  
‡
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...9

中文翻译

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SN74HC573A-Q1 替代型号

型号 品牌 替代类型 描述 数据表
SN74HC573A TI

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