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N74F182D PDF预览

N74F182D

更新时间: 2024-11-15 22:45:43
品牌 Logo 应用领域
恩智浦 - NXP 运算电路逻辑集成电路光电二极管
页数 文件大小 规格书
6页 58K
描述
Look-ahead carry generator

N74F182D 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
其他特性:WITH HIGHER ORDER LOOKAHEAD系列:F/FAST
JESD-30 代码:R-PDSO-G16负载电容(CL):50 pF
逻辑集成电路类型:LOOK-AHEAD CARRY GENERATOR位数:4
功能数量:1端子数量:16
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
最大电源电流(ICC):36 mA传播延迟(tpd):8.5 ns
认证状态:Not Qualified最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:TTL
温度等级:COMMERCIAL端子形式:GULL WING
端子位置:DUALBase Number Matches:1

N74F182D 数据手册

 浏览型号N74F182D的Datasheet PDF文件第2页浏览型号N74F182D的Datasheet PDF文件第3页浏览型号N74F182D的Datasheet PDF文件第4页浏览型号N74F182D的Datasheet PDF文件第5页浏览型号N74F182D的Datasheet PDF文件第6页 
Philips Semiconductors  
Product specification  
Look-ahead carry generator  
74F182  
FEATURES  
PIN CONFIGURATION  
Provides carry look-ahead across a group of four ALUs  
G1  
P1  
G0  
P0  
G3  
1
2
3
4
5
16  
V
Multi-level look-ahead for high speed arithmetic operation over  
CC  
long word lengths  
15 P2  
14 G2  
DESCRIPTION  
13 Cn  
The 74F182 is a high speed carry look-ahead generator. It accepts  
up to four pairs of active-Low Carry Propagate (P0, P1, P2, P3) and  
Carry Generate (G0, G1, G2, G3) signals and an active-High Carry  
input (Cn) and provides anticipated active-High carries (Cn+x, Cn+y,  
Cn+z) across four groups of binary adders. The 74F182 also has  
active-Low Carry Propagate (P) Carry Generate (G) outputs which  
may be used for further levels of look-ahead.  
12 Cn+x  
11 Cn+y  
P3  
P
6
7
8
10  
9
G
GND  
Cn+z  
SF00725  
The logic equations provided at the outputs are:  
Cn+x = G0+P0Cn  
TYPICAL  
PROPAGATION  
DELAY  
TYPICAL  
SUPPLY CURRENT  
(TOTAL)  
Cn+y = G1+P1G0+P1P0Cn  
Cn+z = G2+P2G1+P2P1G0+P2P1P0Cn  
G = G3+P3G2+P3P2G1+P3P2P1G0  
P = P3P2P1P0  
TYPE  
74F182  
5.0ns  
21mA  
The 74F182 can also be used with binary ALUs in an active-Low or  
active-High input operand mode. The connections to and from the  
ALU to the carry look-ahead generator are identical in both cases.  
ORDERING INFORMATION  
ORDER CODE  
DESCRIPTION  
COMMERCIAL RANGE  
V
CC  
= 5V ±10%, T  
= 0°C to +70°C  
amb  
16-pin plastic DIP  
16-pin plastic SO  
N74F182N  
N74F182D  
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE  
PINS  
DESCRIPTION  
74FAST (U.L.) HIGH/LOW  
LOAD VALUE HIGH/LOW  
50µA/1.2mA  
Cn  
Carry input  
2.5/2.0  
2.5/14.0  
2.5/16.0  
2.5/8.0  
2.5/8.0  
2.5/6.0  
2.5/4.0  
50/33  
G0, G2  
Carry generate inputs (active-Low)  
Carry generate input (active-Low)  
Carry generate input (active-Low)  
Carry propagate inputs (active-Low)  
Carry propagate input (active-Low)  
Carry propagate input (active-Low)  
Carry outputs  
50µA/8.4mA  
G1  
50µA/9.6mA  
G3  
50µA/4.8mA  
P0, P1  
50µA/4.8mA  
P2  
50µA/3.6mA  
P3  
50µA/2.4mA  
Cn+x–Cn+z  
1.0mA/20mA  
1.0mA/20mA  
1.0mA/20mA  
G
P
Carry generate output (active-Low)  
Carry propagate output (active-Low)  
50/33  
50/33  
NOTE:  
One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.  
2
1991 Apr 15  
853–1161 02162  

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