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SN54HC193W

更新时间： 2024-09-14 23:03:03
品牌 Logo 应用领域
德州仪器 - TI 计数器触发器逻辑集成电路时钟
页数 文件大小 规格书
9页 145K
描述
4-BIT SYNCHRONOUS UP/DOWN COUNTERS DUAL CLOCK WITH CLEAR

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SN54HC193W 技术参数

生命周期：Obsolete零件包装代码：DFP
包装说明：CERAMIC, DFP-16针数：16
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.69Is Samacsys：N
其他特性：SEPARATE UP/DOWN CLOCK计数方向：BIDIRECTIONAL
系列：HC/UHJESD-30 代码：R-GDFP-F16
长度：10.2 mm负载电容（CL）：50 pF
负载/预设输入：YES逻辑集成电路类型：BINARY COUNTER
工作模式：SYNCHRONOUS位数：4
功能数量：1端子数量：16
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DFP
封装形状：RECTANGULAR封装形式：FLATPACK
传播延迟（tpd）：375 ns认证状态：Not Qualified
座面最大高度：2.03 mm最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：MILITARY端子形式：FLAT
端子节距：1.27 mm端子位置：DUAL
触发器类型：POSITIVE EDGE宽度：6.73 mm
最小 fmax：16 MHzBase Number Matches：1

SN54HC193W 数据手册

 浏览型号SN54HC193W的Datasheet PDF文件第2页浏览型号SN54HC193W的Datasheet PDF文件第3页浏览型号SN54HC193W的Datasheet PDF文件第4页浏览型号SN54HC193W的Datasheet PDF文件第5页浏览型号SN54HC193W的Datasheet PDF文件第6页浏览型号SN54HC193W的Datasheet PDF文件第7页 
SN54HC193, SN74HC193  
4-BIT SYNCHRONOUS UP/DOWN COUNTERS  
(DUAL CLOCK WITH CLEAR)  
SCLS122B – DECEMBER 1982 – REVISED MAY 1997  
SN54HC193 . . . J OR W PACKAGE  
SN74HC193 . . . D OR N PACKAGE  
(TOP VIEW)  
Look-Ahead Circuitry Enhances Cascaded  
Counters  
Fully Synchronous in Count Modes  
B
V
A
Parallel Asynchronous Load for Modulo-N  
Count Lengths  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
CC  
Q
B
A
Q
CLR  
BO  
Asynchronous Clear  
DOWN  
UP  
Package Options Include Plastic  
Small-Outline (D) and Ceramic Flat (W)  
Packages, Ceramic Chip Carriers (FK), and  
Standard Plastic (N) and Ceramic (J)  
300-mil DIPs  
12 CO  
11  
10  
9
Q
Q
LOAD  
C
D
C
D
GND  
description  
SN54HC193 . . . FK PACKAGE  
(TOP VIEW)  
The ’HC193 are 4-bit synchronous, reversible,  
up/down binary counters. Synchronous operation  
is provided by having all flip-flops clocked  
simultaneously so that the outputs change  
coincidentally with each other when so instructed  
by the steering logic. This mode of operation  
eliminates the output counting spikes normally  
associated with asynchronous (ripple-clock)  
counters.  
3
2
1
20 19  
18  
CLR  
BO  
Q
4
5
6
7
8
A
DOWN  
NC  
17  
16  
NC  
15 CO  
14  
9 10 11 12 13  
UP  
LOAD  
Q
C
The outputs of the four flip-flops are triggered on  
a low-to-high-level transition of either count  
(clock) input (UP or DOWN). The direction of  
counting is determined by which count input is  
pulsed while the other count input is high.  
NC – No internal connection  
All four counters are fully programmable; that is, each output may be preset to either level by placing a low on  
the load (LOAD) input and entering the desired data at the data inputs. The output changes to agree with the  
data inputs independently of the count pulses. This feature allows the counters to be used as modulo-N dividers  
by simply modifying the count length with the preset inputs.  
A clear (CLR) input has been provided that forces all outputs to the low level when a high level is applied. The  
clear function is independent of the count and LOAD inputs.  
These counters were designed to be cascaded without the need for external circuitry. The borrow (BO) output  
produces a low-level pulse while the count is zero (all outputs low) and DOWN is low. Similarly, the carry (CO)  
output produces a low-level pulse while the count is maximum (9 or 15) and UP is low. The counters can then  
be easily cascaded by feeding BO and CO to DOWN and UP, respectively, of the succeeding counter.  
The SN54HC193 is characterized for operation over the full military temperature range of –55°C to 125°C. The  
SN74HC193 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.  
Copyright 1997, 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...9

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SN54HC193W 替代型号

型号 品牌 替代类型 描述 数据表
SN54HC191W TI

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