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參數資料
| 型號： | DM74LS181N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 16-Bit D Flip-Flop with 3-STATE Outputs |
| 中文描述： | LS SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDIP24 |
| 封裝： | 0.600 INCH, PLASTIC, MS-011, DIP-24 |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 74K |
| 代理商： | DM74LS181N |
2000 Fairchild Semiconductor Corporation
DS009821
www.fairchildsemi.com
October 1988
Revised April 2000
D
DM74LS181
4-Bit Arithmetic Logic Unit
General Description
The DM74LS181 is a 4-bit Arithmetic Logic Unit (ALU)
which can perform all the possible 16 logic operations on
two variables and a variety of arithmetic operations.
Features
I
Provides 16 arithmetic operations: add, subtract, com-
pare, double, plus twelve other arithmetic operations
I
Provides all 16 logic operations of two variables:
exclusive-OR, compare, AND, NAND, OR, NOR, plus
ten other logic operations
I
Full lookahead for high speed arithmetic operation on
long words
Ordering Code:
Logic Symbols
Active High Operands
Active Low Operands
V
CC
=
Pin 24
GND
=
Pin 12
Connection Diagram
Pin Descriptions
Order Number
DM74LS181N
Package Number
N24A
Package Description
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.600 Wide
Pin Names
Description
A
0–A3
B0–B3
S0–S3
M
C
n
F0–F3
A
=
B
G
P
C
n
+
4
Operand Inputs (Active LOW)
Operand Inputs (Active LOW)
Function Select Inputs
Mode Control Input
Carry Input
Function Outputs (Active LOW)
Comparator Output
Carry Generate Output (Active LOW)
Carry Propagate Output (Active LOW)
Carry Output
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| DM74LS191M | Synchronous 4-Bit Up/Down Counter with Mode Control |
| DM74LS191 | Synchronous 4-Bit Up/Down Binary Counter with Mode Control(帶模式控制的同步4位二進制加/減計數器) |
| DM74LS191N | Synchronous 4-Bit Up/Down Counter with Mode Control |
| DM74LS191MX | Synchronous Up/Down Counter |
| DM74LS193M | Synchronous 4-Bit Binary Counter with Dual Clock |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS191 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS191M | 功能描述:計數器 IC Syn 4-Bit Counter RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS191MX | 功能描述:計數器 IC Syn 4-Bit Counter RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS191N | 功能描述:計數器 IC Syn 4-Bit Counter RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS193 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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