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SN74HC193QPWRG4Q1 PDF预览

SN74HC193QPWRG4Q1

更新时间： 2024-01-24 08:28:12
品牌 Logo 应用领域
德州仪器 - TI 计数器时钟
页数 文件大小 规格书
13页 233K
描述
4-BIT SYNCHRONOUS UP/DOWN COUNTER (DUAL CLOCK WITH CLEAR)

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中文翻译

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SN74HC193QPWRG4Q1 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP, TSSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.3
计数方向：BIDIRECTIONAL系列：HC/UH
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：5 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
最大频率@ Nom-Sup：14000000 Hz最大I（ol）：0.0052 A
工作模式：SYNCHRONOUS湿度敏感等级：1
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：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法：TR峰值回流温度（摄氏度）：260
电源：2/6 V最大电源电流（ICC）：0.08 mA
Prop。Delay @ Nom-Sup：55 ns传播延迟（tpd）：315 ns
认证状态：Not Qualified筛选级别：AEC-Q100
座面最大高度：1.2 mm子类别：Counters
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：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED触发器类型：POSITIVE EDGE
宽度：4.4 mm最小 fmax：19 MHz
Base Number Matches：1

SN74HC193QPWRG4Q1 数据手册

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SCLS594A − NOVEMBER 2004 − REVISED APRIL 2008  
D
D
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Qualified for Automotive Applications  
Wide Operating Voltage Range of 2 V to 6 V  
Outputs Can Drive Up To 10 LSTTL Loads  
D
D
D
Fully Synchronous in Count Modes  
Parallel Asynchronous Load for Modulo-N  
Count Lengths  
Asynchronous Clear  
Low Power Consumption, 80-µA Max I  
CC  
Typical t = 20 ns  
pd  
4-mA Output Drive at 5 V  
PW PACKAGE  
(TOP VIEW)  
Low Input Current of 1 µA Max  
Look-Ahead Circuitry Enhances Cascaded  
Counters  
B
V
A
1
2
3
4
5
6
7
8
16  
15  
14  
13  
CC  
Q
B
A
Q
CLR  
BO  
description/ordering information  
DOWN  
UP  
12 CO  
The SN74HC193 device is a 4-bit synchronous,  
reversible, up/down binary counter. Synchronous  
operation is provided by having all flip-flops clocked  
simultaneously so that the outputs change  
simultaneously with each other when dictated by the  
steering logic. This mode of operation eliminates the  
output counting spikes normally associated with  
asynchronous (ripple-clock) counters.  
11  
10  
9
Q
Q
LOAD  
C
D
C
D
GND  
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.  
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  
simply by 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.  
This counter was 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 counter then can  
be cascaded easily by feeding BO and CO to DOWN and UP, respectively, of the succeeding counter.  
{
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
‡
PACKAGE  
T
A
−40°C to 125°C  
−40°C to 85°C  
TSSOP − PW  
TSSOP − PW  
Reel of 2000  
Reel of 2000  
SN74HC193QPWRQ1  
SN74HC193IPWRQ1  
HC193Q  
HC193I  
†
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.  
‡
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 2008, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...13

中文翻译

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