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SN74LV393A-Q1 PDF预览

SN74LV393A-Q1

更新时间： 2024-11-05 12:22:03
品牌 Logo 应用领域
德州仪器 - TI 计数器
页数 文件大小 规格书
12页 254K
描述
DUAL 4-BIT BINARY COUNTER

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SN74LV393A-Q1 数据手册

 浏览型号SN74LV393A-Q1的Datasheet PDF文件第2页浏览型号SN74LV393A-Q1的Datasheet PDF文件第3页浏览型号SN74LV393A-Q1的Datasheet PDF文件第4页浏览型号SN74LV393A-Q1的Datasheet PDF文件第5页浏览型号SN74LV393A-Q1的Datasheet PDF文件第6页浏览型号SN74LV393A-Q1的Datasheet PDF文件第7页 
SN74LV393A-Q1  
DUAL 4-BIT BINARY COUNTER  
SCLS515C − JULY 2003 − REVISED FEBRUARY 2008  
PW PACKAGE  
(TOP VIEW)  
D
D
Qualified for Automotive Applications  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
1CLK  
1CLR  
1QA  
1QB  
1QC  
VCC  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
2CLK  
2CLR  
2QA  
2QB  
2QC  
2QD  
D
D
D
D
D
D
2-V to 5.5-V V Operation  
CC  
Max t of 9.5 ns at 5 V  
pd  
Typical V  
(Output Ground Bounce)  
OLP  
<0.8 V at V = 3.3 V, T = 25°C  
1QD  
GND  
CC  
A
8
Typical V  
(Output V Undershoot)  
OHV  
OH  
>2.3 V at V = 3.3 V, T = 25°C  
CC  
A
I
off  
Supports Partial-Power-Down-Mode  
Operation  
Dual 4-Bit Binary Counters With Individual  
Clocks  
D
Direct Clear for Each 4-Bit Counter  
D
Can Significantly Improve System  
Densities by Reducing Counter Package  
Count by 50 Percent  
description/ordering information  
The SN74LV393A contains eight flip-flops and additional gating to implement two individual 4-bit counters in  
a single package. This device is designed for 2-V to 5.5-V V operation.  
CC  
This device comprises two independent 4-bit binary counters, each having a clear (CLR) and a clock (CLK)  
input. The device changes state on the negative-going transition of the CLK pulse. N-bit binary counters can  
be implemented with each package, providing the capability of divide by 256. The SN74LV393A has parallel  
outputs from each counter stage so that any submultiple of the input count frequency is available for system  
timing signals.  
This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,  
off  
off  
preventing damaging current backflow through the device when it is powered down.  
†
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
‡
T
A
PACKAGE  
−40°C to 105°C  
TSSOP − PW Tape and reel  
SN74LV393ATPWRQ1 LV393AT  
†
‡
For the most current package and ordering information, see the Package Option Addendum at the end  
of this document, or see the TI web site at http://www.ti.com.  
Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.  
FUNCTION TABLE  
INPUTS  
FUNCTION  
CLK  
↑
CLR  
L
No change  
Advance to next stage  
All outputs L  
↓
L
X
H
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.  
Copyright 2008, 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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SN74LV393A-Q1 替代型号

型号 品牌 替代类型 描述 数据表
SN74LV393A-EP TI

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SN74LV393A TI

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