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CD74AC161M96 PDF预览

CD74AC161M96

更新时间： 2024-02-24 02:55:48
品牌 Logo 应用领域
德州仪器 - TI 计数器
页数 文件大小 规格书
15页 384K
描述
4-BIT SYNCHRONOUS BINARY COUNTERS

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CD74AC161M96 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP, SOP16,.25Reach Compliance Code：not_compliant
HTS代码：8542.39.00.01风险等级：5.31
计数方向：UPJESD-30 代码：R-PDSO-G16
JESD-609代码：e0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：73000000 Hz最大I（ol）：0.012 A
工作模式：SYNCHRONOUS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：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL电源：3.3/5 V
认证状态：Not Qualified子类别：Counters
最小供电电压 (Vsup)：1.5 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
Base Number Matches：1

CD74AC161M96 数据手册

 浏览型号CD74AC161M96的Datasheet PDF文件第2页浏览型号CD74AC161M96的Datasheet PDF文件第3页浏览型号CD74AC161M96的Datasheet PDF文件第4页浏览型号CD74AC161M96的Datasheet PDF文件第5页浏览型号CD74AC161M96的Datasheet PDF文件第6页浏览型号CD74AC161M96的Datasheet PDF文件第7页 
CD54AC161, CD74AC161  
4-BIT SYNCHRONOUS BINARY COUNTERS  
SCHS239C – SEPTEMBER 1998 – REVISED MARCH 2003  
CD54AC161 . . . F PACKAGE  
CD74AC161 . . . E OR M PACKAGE  
(TOP VIEW)  
Internal Look-Ahead for Fast Counting  
Carry Output for n-Bit Cascading  
Synchronous Counting  
CLR  
CLK  
A
V
CC  
RCO  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Synchronously Programmable  
SCR-Latchup-Resistant CMOS Process and  
Circuit Design  
Q
A
B
Q
B
Exceeds 2-kV ESD Protection per  
MIL-STD-883, Method 3015  
C
Q
C
D
Q
D
ENP  
GND  
ENT  
LOAD  
description/ordering information  
The ’AC161 devices are 4-bit binary counters.  
These synchronous, presettable counters feature  
an internal carry look-ahead for application in  
high-speed counting These devices are fully programmable; that is, they can be preset to any number between  
0 and 9 or 15. Presetting is synchronous; therefore, setting up a low level at the load input disables the counter  
and causes the outputs to agree with the setup data after the next clock pulse, regardless of the levels of the  
enable inputs.  
The clear function is asynchronous. A low level at the clear (CLR) input sets all four of the flip-flop outputs low,  
regardless of the levels of the CLK, load (LOAD), or enable inputs.  
The carry look-ahead circuitry provides for cascading counters for n-bit synchronous applications without  
additional gating. Instrumental in accomplishing this function are ENP, ENT, and a ripple-carry output (RCO).  
Both ENP and ENT must be high to count, and ENT is fed forward to enable RCO. Enabling RCO produces a  
high-level pulse while the count is maximum (9 or 15, with Q high). This high-level overflow ripple-carry pulse  
A
can be used to enable successive cascaded stages. Transitions at ENP or ENT are allowed, regardless of the  
level of CLK.  
The counters feature a fully independent clock circuit. Changes at control inputs (ENP, ENT, or LOAD) that  
modify the operating mode have no effect on the contents of the counter until clocking occurs. The function of  
the counter (whether enabled, disabled, loading, or counting) is dictated solely by the conditions meeting the  
stable setup and hold times.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP – E  
Tube  
Tube  
CD74AC161E  
CD74AC161E  
CD74AC161M  
CD74AC161M96  
CD54AC161F3A  
–55°C to 125°C  
SOIC – M  
CDIP – F  
AC161M  
Tape and reel  
Tube  
CD54AC161F3A  
†
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.  
Copyright 2003, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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...15

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CD74AC161M96 替代型号

型号 品牌 替代类型 描述 数据表
CD54AC161F3A TI

完全替代

 4-BIT SYNCHRONOUS BINARY COUNTERS
CD74AC161M TI

完全替代

 4-BIT SYNCHRONOUS BINARY COUNTERS
CD74AC161E TI

完全替代

 4-BIT SYNCHRONOUS BINARY COUNTERS

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