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CD74HC125 PDF预览

CD74HC125

更新时间: 2024-11-20 23:04:27
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
7页 39K
描述
High Speed CMOS Logic Quad Buffer, Three-State

CD74HC125 数据手册

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CD74HC125,  
CD74HCT125  
Data sheet acquired from Harris Semiconductor  
SCHS143  
High Speed CMOS Logic  
Quad Buffer, Three-State  
November 1997  
Features  
Description  
• Three-State Outputs  
The Harris CD74HC125 and CD74HCT125 contain 4 inde-  
pendent three-state buffers, each having its own output  
enable input, which when “HIGH” puts the output in the high  
impedance state  
• Separate Output Enable Inputs  
[ /Title  
(CD74  
HC125  
,
CD74  
HCT12  
5)  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads  
Ordering Information  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
TEMP. RANGE  
PKG.  
NO.  
o
PART NUMBER  
CD74HC125E  
CD74HCT125E  
CD74HC125M  
CD74HCT125M  
NOTES:  
( C)  
PACKAGE  
14 Ld PDIP  
14 Ld PDIP  
14 Ld SOIC  
14 Ld SOIC  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
E14.3  
/Sub-  
ject  
• HC Types  
- 2V to 6V Operation  
E14.3  
M14.15  
M14.15  
- High Noise Immunity: N = 30%, N = 30% of V  
CC  
(High  
Speed  
CMOS  
Logic  
Quad  
Buffer,  
Three-  
State)  
IL  
IH  
at V  
= 5V  
CC  
• HCT Types  
- 4.5V to 5.5V Operation  
1. When ordering, use the entire part number. Add the suffix 96 to  
obtain the variant in the tape and reel.  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
IL  
IH  
- CMOS Input Compatibility, I 1µA at V , V  
2. Wafer and die for this part number is available which meets all  
electrical specifications. Please contact your local sales office or  
Harris customer service for ordering information.  
l
OL OH  
Pinout  
CD74HC125, CD74HCT125  
(PDIP, SOIC)  
TOP VIEW  
1OE  
1A  
1
2
3
4
5
6
7
14 V  
CC  
13 4OE  
12 4A  
1Y  
2OE  
2A  
11 4Y  
10 3OE  
2Y  
9
8
3A  
3Y  
GND  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 1771.1  
Copyright © Harris Corporation 1997  
1

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