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CD74HC257MTE4 PDF预览

CD74HC257MTE4

更新时间: 2024-11-26 23:00:39
品牌 Logo 应用领域
德州仪器 - TI 解复用器
页数 文件大小 规格书
12页 275K
描述
High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs

CD74HC257MTE4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.36Is Samacsys:N
系列:HC/UHJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.006 A湿度敏感等级:1
功能数量:4输入次数:2
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:TRUE
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
峰值回流温度(摄氏度):260电源:2/6 V
Prop。Delay @ Nom-Sup:45 ns传播延迟(tpd):225 ns
认证状态:Not Qualified座面最大高度:1.75 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:YES技术:CMOS
温度等级:MILITARY端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

CD74HC257MTE4 数据手册

 浏览型号CD74HC257MTE4的Datasheet PDF文件第2页浏览型号CD74HC257MTE4的Datasheet PDF文件第3页浏览型号CD74HC257MTE4的Datasheet PDF文件第4页浏览型号CD74HC257MTE4的Datasheet PDF文件第5页浏览型号CD74HC257MTE4的Datasheet PDF文件第6页浏览型号CD74HC257MTE4的Datasheet PDF文件第7页 
CD54HC257, CD74HC257,  
CD54HCT257, CD74HCT257  
Data sheet acquired from Harris Semiconductor  
SCHS171D  
High-Speed CMOS Logic Quad 2-Input  
Multiplexer with Three-State Non-Inverting Outputs  
November 1997 - Revised October 2003  
all other input conditions.  
Features  
Moving data from two groups of registers to four common  
output buses is a common use of the 257. The state of the  
Select input determines the particular register from which  
the data comes. It can also be used as a function generator.  
• Buffered Inputs  
• Typical Propagation Delay ( In to Output ) = 12ns at  
[ /Title  
(CD74  
HC257  
,
CD74  
HCT25  
7)  
o
V
= 5V, C = 15pF, T = 25 C  
CC  
L A  
• Fanout (Over Temperature Range)  
Ordering Information  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads  
TEMP. RANGE  
o
PART NUMBER  
CD54HC257F3A  
CD54HCT257F3A  
CD74HC257E  
( C)  
PACKAGE  
16 Ld CERDIP  
16 Ld CERDIP  
16 Ld PDIP  
16 Ld SOIC  
16 Ld SOIC  
16 Ld SOIC  
16 Ld PDIP  
16 Ld SOIC  
16 Ld SOIC  
16 Ld SOIC  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
/Sub-  
ject  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
• HC Types  
- 2V to 6V Operation  
(High  
Speed  
CMOS  
Logic  
Quad  
2-Input  
Multi-  
plexer  
CD74HC257M  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
CD74HC257MT  
CD74HC257M96  
CD74HCT257E  
CD74HCT257M  
CD74HCT257MT  
CD74HCT257M96  
at V  
= 5V  
CC  
• HCT Types  
- 4.5V to 5.5V Operation  
- 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
Description  
The ’HC257 and ’HCT257 are quad 2-input multiplexers  
which select four bits of data from two sources under the  
control of a common Select Input (S). The Output Enable  
input (OE) is active LOW. When OE is HIGH, all of the out-  
puts (1Y-4Y) are in the high impedance state regardless of  
NOTE: When ordering, use the entire part number. The suffix 96  
denotes tape and reel. The suffix T denotes a small-quantity reel of  
250.  
Pinout  
CD54HC257, CD54HCT257  
(CERDIP)  
CD74HC257, CD74HCT257  
(PDIP, SOIC)  
TOP VIEW  
S
1
2
3
4
5
6
7
8
16 V  
CC  
1I  
15 OE  
0
1
1I  
14 4I  
13 4I  
0
1
1Y  
2I  
2I  
12 4Y  
0
1
11 3I  
10 3I  
0
1
2Y  
9
3Y  
GND  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
Copyright © 2003, Texas Instruments Incorporated  
1

CD74HC257MTE4 替代型号

型号 品牌 替代类型 描述 数据表
CD74HC257M TI

完全替代

High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs
CD74HC257M96 TI

类似代替

High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs

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