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CD74HCT283

更新时间： 2024-11-19 23:04:31
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
6页 44K
描述
High Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry

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CD74HCT283 数据手册

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CD74HC283,  
CD74HCT283  
Data sheet acquired from Harris Semiconductor  
SCHS176  
High Speed CMOS Logic  
4-Bit Binary Full Adder with Fast Carry  
November 1997  
Features  
Description  
• Adds Two Binary Numbers  
The Harris CD74HC283 and CD74HCT283 binary full  
adders that add two 4-bit binary numbers and generate a  
carry-out bit if the sum exceeds 15.  
• Full Internal Lookahead  
[ /Title  
(CD74  
HC283  
,
CD74  
HCT28  
3)  
• Fast Ripple Carry for Economical Expansion  
• Operates with Both Positive and Negative Logic  
Because of the symmetry of the add function, this device  
can be used with either all active-high operands (positive  
logic) or with all active-low operands (negative logic). When  
using positive logic the carry-in input must be tied low if there  
is no carry-in.  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C Ordering Information  
• Balanced Propagation Delay and Transition Times  
/Sub-  
ject  
PKG.  
NO.  
o
PART NUMBER TEMP. RANGE ( C) PACKAGE  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
(High  
Speed  
CMOS  
Logic  
4-Bit  
Binary  
Full  
CD74HC283E  
CD74HCT283E  
CD74HC283M  
CD74HCT283M  
NOTES:  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
16 Ld PDIP  
16 Ld PDIP  
E16.3  
E16.3  
• HC Types  
- 2V to 6V Operation  
16 Ld SOIC M16.15  
16 Ld SOIC M16.15  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
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.  
Adder  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
2. Wafer and die is available which meets all electrical  
specifications. Please contact your local sales office or Harris  
customer service for ordering information.  
IL  
IH  
- CMOS Input Compatibility, I ≤ 1µA at V , V  
l
OL OH  
Pinout  
Functional Diagram  
CD74HC283, CD74HCT283  
(PDIP, SOIC)  
5
6
4
A0  
B0  
A1  
B1  
A2  
B2  
A3  
B3  
S0  
S1  
S2  
S3  
C
TOP VIEW  
3
1
S1  
B1  
A1  
S0  
A0  
B0  
1
2
3
4
5
6
7
8
16 V  
CC  
15 B2  
14 A2  
13 S2  
12 A3  
11 B3  
10 S3  
2
14  
15  
12  
13  
10  
9
C
IN  
11  
7
9
C
OUT  
GND  
C
IN  
OUT  
GND = 8  
= 16  
V
CC  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 1848.1  
Copyright © Harris Corporation 1997  
1
123456

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CD74HCT283 替代型号

型号 品牌 替代类型 描述 数据表
CD54HCT283 TI

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