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CD74HC251E PDF预览

CD74HC251E

更新时间: 2024-09-26 23:00:39
品牌 Logo 应用领域
德州仪器 - TI 解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
7页 40K
描述
High Speed CMOS Logic 8-Input Multiplexer; Three-State

CD74HC251E 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:DIP包装说明:DIP, DIP16,.3
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:0.76Is Samacsys:N
系列:HC/UHJESD-30 代码:R-PDIP-T16
JESD-609代码:e4长度:19.3 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.0052 A位数:2
功能数量:1输入次数:8
输出次数:1端子数量:16
最高工作温度:125 °C最低工作温度:-55 °C
输出特性:3-STATE输出极性:COMPLEMENTARY
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE包装方法:TUBE
峰值回流温度(摄氏度):NOT SPECIFIED电源:2/6 V
最大电源电流(ICC):0.08 mAProp。Delay @ Nom-Sup:21 ns
传播延迟(tpd):370 ns认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Multiplexer/Demultiplexers
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):4.5 V表面贴装:NO
技术:CMOS温度等级:MILITARY
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:6.35 mm
Base Number Matches:1

CD74HC251E 数据手册

 浏览型号CD74HC251E的Datasheet PDF文件第2页浏览型号CD74HC251E的Datasheet PDF文件第3页浏览型号CD74HC251E的Datasheet PDF文件第4页浏览型号CD74HC251E的Datasheet PDF文件第5页浏览型号CD74HC251E的Datasheet PDF文件第6页浏览型号CD74HC251E的Datasheet PDF文件第7页 
CD74HC251,  
CD74HCT251  
Data sheet acquired from Harris Semiconductor  
SCHS169  
High Speed CMOS Logic  
November 1997  
8-Input Multiplexer; Three-State  
Features  
Description  
• Selects One of Eight Binary Data Inputs  
• Three-State Output Capability  
• True and Complement Outputs  
The Harris CD74HC251 and CD74HCT251 are 8-channel  
digital multiplexers with three-state outputs, fabricated with  
high-speed silicon-gate CMOS technology. Together with the  
low power consumption of standard CMOS integrated cir-  
cuits, they possess the ability to drive 10 LSTTL loads. The  
three-state feature makes them ideally suited for interfacing  
with bus lines in a bus-oriented system.  
[ /Title  
(CD74  
HC251  
,
• Typical (Data to Output) Propagation Delay of 14ns at  
o
V
= 5V, C = 15pF, T = 25 C  
L A  
CC  
CD74  
HCT25  
1)  
/Sub-  
ject  
(High  
Speed  
CMOS  
Logic  
8-Input  
Multi-  
plexer;  
Three-  
• Fanout (Over Temperature Range)  
This multiplexer features both true (Y) and complement (Y)  
outputs as well as an output enable (OE) input. The OE must  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads be at a low logic level to enable this device. When the OE  
input is high, both outputs are in the high-impedance state.  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
When enabled, address information on the data select inputs  
determines which data input is routed to the Y and Y out-  
puts. The CD74HCT251 logic family is speed, function, and  
pin-compatible with the standard 74LS251.  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
Ordering Information  
• Alternate Source is Philips  
- HC Types  
PKG.  
- 2V to 6V Operation  
o
PART NUMBER TEMP. RANGE ( C) PACKAGE  
NO.  
E16.3  
E16.3  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
CD74HC251E  
CD74HCT251E  
CD74HC251M  
CD74HCT251M  
NOTES:  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
16 Ld PDIP  
16 Ld PDIP  
at V  
= 5V  
CC  
• HCT Types  
- 4.5V to 5.5V Operation  
16 Ld SOIC M16.15  
16 Ld SOIC M16.15  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
IL IH  
- CMOS Input Compatibility, I 1µA at V , V  
OL OH  
l
1. When ordering, use the entire part number. Add the suffix 96 to  
obtain the variant in the tape and reel.  
2. Wafer or die for this part number is available which meets all elec-  
trical specifications. Please contact your local sales office or  
Harris customer service for ordering information.  
Pinout  
CD74HC251, CD74HCT251  
(PDIP, SOIC)  
TOP VIEW  
I
I
I
I
1
2
3
4
5
6
7
8
16 V  
CC  
3
2
1
0
15 I  
14 I  
13 I  
12 I  
4
5
6
7
Y
Y
11 S0  
10 S1  
OE  
9
S2  
GND  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 1489.1  
Copyright © Harris Corporation 1997  
1

CD74HC251E 替代型号

型号 品牌 替代类型 描述 数据表
CD74HC251MT TI

完全替代

High-Speed CMOS Logic 8-Input Multiplexer, Three-State
CD74HC251M96 TI

完全替代

High-Speed CMOS Logic 8-Input Multiplexer, Three-State

与CD74HC251E相关器件

型号 品牌 获取价格 描述 数据表
CD74HC251E96 RENESAS

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HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16, PLASTIC, DIP-16
CD74HC251EN ETC

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CD74HC251EX RENESAS

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IC,LOGIC MUX,SINGLE,8-INPUT,HC-CMOS,DIP,16PIN,PLASTIC
CD74HC251F ETC

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Logic IC
CD74HC251H RENESAS

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IC,LOGIC MUX,SINGLE,8-INPUT,HC-CMOS,DIE
CD74HC251M TI

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High Speed CMOS Logic 8-Input Multiplexer; Three-State
CD74HC251M96 TI

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High-Speed CMOS Logic 8-Input Multiplexer, Three-State
CD74HC251M96 RENESAS

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MULTIPLEXER
CD74HC251M96E4 ROCHESTER

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Multiplexer, HC/UH Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, CMOS
CD74HC251ME4 ROCHESTER

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Multiplexer, HC/UH Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, CMOS