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參數資料
| 型號： | MC14581BCL |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 算術邏輯單元 |
| 英文描述： | 4-BIT ARITHMETIC LOGIC UNIT, CDIP24 |
| 封裝： | CERAMIC, DIP-24 |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 230K |
| 代理商： | MC14581BCL |
MOTOROLA CMOS LOGIC DATA
1
MC14581B
4-Bit Arithmetic Logic Unit
The MC14581B is a CMOS 4–bit ALU capable of providing 16 functions of
two Boolean variables and 16 binary arithmetic operations on two 14–bit
words. The level of the mode control input determines whether the output
function is logic or arithmetic. The desired logic function is selected by
applying the appropriate binary word to the select inputs (S0 thru S3) with
the mode control input high, while the desired arithmetic operation is
selected by applying a low voltage to the mode control input, the required
level to carry in, and the appropriate word to the select inputs. The word
inputs and function outputs can be operated with either active high or active
low data.
Carry propagate (P) and carry generate (G) outputs are provided to allow
a full look–ahead carry scheme for fast simultaneous carry generation for the
four bits in the package. Fast arithmetic operations on long words are
obtainable by using the MC14582B as a second order look ahead block. An
inverted ripple carry input (Cn) and a ripple carry output (Cn+4) are included
for ripple through operation.
When the device is in the subtract mode (LHHL), comparison of two 4–bit
words present at the A and B inputs is provided using the A = B output. It
assumes a high–level state when indicating equality. Also, when the ALU is
in the subtract mode the Cn+4 output can be used to indicate relative
magnitude as shown in this table:
Data
Level
Cn
Cn+4
Magnitude
Active
High
H
L
H
L
H
L
A
v B
A < B
A > B
A
w B
Active
Low
L
H
L
H
L
H
A
v B
A < B
A > B
A
w B
Functional and Pinout Equivalent to 74181.
Diode Protection on All Inputs
All Outputs Buffered
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Capable of Driving Two Low–power TTL Loads or One Low–power
Schottky TTL Load over the Rated Temperature Range
MAXIMUM RATINGS* (Voltages Referenced to VSS)
Symbol
Parameter
Value
Unit
VDD
DC Supply Voltage
– 0.5 to + 18.0
V
Vin, Vout Input or Output Voltage (DC or Transient)
– 0.5 to VDD + 0.5
V
Iin, Iout
Input or Output Current (DC or Transient),
per Pin
± 10
mA
PD
Power Dissipation, per Package
500
mW
Tstg
Storage Temperature
– 65 to + 150
_C
TL
Lead Temperature (8–Second Soldering)
260
_C
* Maximum Ratings are those values beyond which damage to the device may occur.
Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/
_C From 65_C To 125_C
Ceramic “L” Packages: – 12 mW/
_C From 100_C To 125_C
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1995
REV 3
1/94
MC14581B
L SUFFIX
CERAMIC
CASE 623
ORDERING INFORMATION
MC14XXXBCP
Plastic
MC14XXXBCL
Ceramic
MC14XXXBDW
SOIC
TA = – 55° to 125°C for all packages.
P SUFFIX
PLASTIC
CASE 709
DW SUFFIX
SOIC
CASE 751E
PIN ASSIGNMENT
S0
S2
S3
A0
B0
MC
Cn
S1
B2
A2
B1
A1
VDD
P
Cn+4
G
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
13
11
12
21
22
23
24
F3
A = B
B3
A3
F2
VSS
F1
F0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC14582BCP | 制造商:n/a 功能描述:14582 MOTOROLA NXC7B |
| MC14583BCP | 制造商: 功能描述: 制造商:undefined 功能描述: |
| MC14584B | 制造商:Panasonic Industrial Company 功能描述:IC |
| MC14584BCP | 功能描述:變換器 3-18V CMOS Hex RoHS:否 制造商:NXP Semiconductors 電路數量:6 邏輯系列:74ABT 邏輯類型:BiCMOS 高電平輸出電流:- 15 mA 低電平輸出電流:20 mA 傳播延遲時間:2.2 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 工作溫度范圍: 封裝 / 箱體:DIP-14 封裝:Tube |
| MC14584BCPG | 功能描述:變換器 3-18V CMOS Hex Schmitt Trigger RoHS:否 制造商:NXP Semiconductors 電路數量:6 邏輯系列:74ABT 邏輯類型:BiCMOS 高電平輸出電流:- 15 mA 低電平輸出電流:20 mA 傳播延遲時間:2.2 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 工作溫度范圍: 封裝 / 箱體:DIP-14 封裝:Tube |
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