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What is 74F181?

This electronic component, produced by the manufacturer "Philips", performs the same function as "Arithmetic logic unit".


74F181 Datasheet PDF - Philips

Part Number 74F181
Description Arithmetic logic unit
Manufacturers Philips 
Logo Philips Logo 


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Philips Semiconductors FAST Products
Arithmetic logic unit
Product specification
74F181
FEATURES
Provides 16 arithmetic operation: add, subtract, compare, and
double; plus 12 other arithmetic operations
Provides all 16 logic operations of two variables: Exclusive-OR,
Compare, AND, NAND, NOR, OR, plus 10 other logic operations
Full look-ahead carry for high speed arithmetic operation on long
words
40% faster than ’S181 with only 30% ’S181 power consumption
Available in 300mil-wide Slim 24-pin Dual In-Line package
DESCRIPTION
The 74F181 is a 4-bit high-speed parallel Arithmetic Logic Unit
(ALU). Controlled by the four Function Select inputs (S0–S3) and
the Mode Control input (M), it can perform all the 16 possible logic
operations or 16 different arithmetic operations on active-High or
active-Low operands. The Function Table lists these operations.
PIN CONFIGURATION
B0 1
A0 2
S3 3
S2 4
S1 5
S0 6
Cn 7
M8
F0 9
F1 10
F2 11
GND 12
24 VCC
23 A1
22 B1
21 A2
20 B2
19 A3
18 B3
17 G
16 Cn+4
15 P
14 A=B
13 F3
SF00193
TYPE
74F181
TYPICAL PROPAGATION DELAY
7.0ns
TYPICAL
SUPPLY CURRENT
(TOTAL)
43mA
ORDERING INFORMATION
DESCRIPTION
24-Pin Plastic Slim DIP (300 mil)
24-Pin Plastic SOL
COMMERCIAL RANGE
VCC = 5V ±10%, Tamb = 0°C to +70°C
N74F181N
N74F181D
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
A0–A3
A operand inputs
1.0/3.0
B0–B3
B operand inputs
1.0/3.0
M Mode control input
1.0/1.0
S0–S3
Function select input
1.0/4.0
Cn Carry input
1.0/5.0
Cn+4
P
Carry output
Carry Propagate output
50/33
50/33
G Carry Generate output
50/33
A=B Compare output
OC/33
F0–F3
Outputs
50/33
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
OC = Open Collector
LOAD VALUE HIGH/LOW
20µA/1.8mA
20µA/1.8mA
20µA/0.6mA
20µA/2.4mA
20µA/3.0mA
1.0mA/20mA
1.0mA/20mA
1.0mA/20mA
OC/20mA
1.0mA/20mA
March 3, 1989
1 853–0351 95947

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74F181 equivalent
Philips Semiconductors FAST Products
Arithmetic logic unit
Product specification
74F181
Table 1. Sum Mode Test
Function Inputs: S0 = S3 = 4.5V, S1 = S2 = M = 0V
PARAMETER
INPUT
UNDER TEST
OTHER INPUT, SAME BIT
Apply 4.5V
Apply GND
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
Ai
Bi
Ai
Bi
Ai
Bi
Ai
Bi
Cn
Bi
Ai
Bi
Ai
None
None
None
None
None
None
None
None
None
Bi
Ai
Bi
Ai
None
Table 2. Diff Mode Test
Function Inputs: S1 = S2 = 4.5V, S0 = S3 = M = 0V
PARAMETER
INPUT
UNDER TEST
OTHER INPUT, SAME BIT
Apply 4.5V
Apply GND
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
Ai
Bi
Ai
Bi
Ai
Bi
Ai
Bi
Ai
Bi
Cn
None
Ai
None
Ai
Bi
None
None
Ai
Bi
None
None
Bi
None
Bi
None
None
Ai
Bi
None
None
Ai
None
Table 3. Logic Mode Test
Function Inputs: S1 = S2 = 4.5V, S0 = S3 = 0V
PARAMETER
INPUT
UNDER TEST
OTHER INPUT, SAME BIT
Apply 4.5V
Apply GND
tPLH, tPHL
tPLH, tPHL
Ai
Bi
Bi None
Ai None
OTHER DATA INPUTS
Apply 4.5V
Apply GND
Remaining A and B
Remaining A and B
None
None
Remaining B
Remaining B
Remaining B
Remaining B
All A
Cn
Cn
Remaining A, B, Cn
Remaining A, B, Cn
Remaining A, Cn
Remaining A, Cn
Remaining A, Cn
Remaining A, Cn
All B
OUTPUT
UNDER TEST
Fi
Fi
P
P
G
G
Cn+4
Cn+4
Any F or Cn+4
OTHER DATA INPUTS
Apply 4.5V
Apply GND
Remaining A
Remaining A
None
None
None
None
Remaining A
Remaining A
None
None
All A and B
Remaining B, Cn
Remaining B, Cn
Remaining A, B, Cn
Remaining A, B, Cn
Remaining A, B, Cn
Remaining A, B, Cn
Remaining B, Cn
Remaining B, Cn
Remaining A, B, Cn
Remaining A, B, Cn
None
OUTPUT
UNDER TEST
Fi
Fi
P
P
G
G
A=B
A=B
Cn+4
Cn+4
Any F or Cn+4
OTHER DATA INPUTS
Apply 4.5V
Apply GND
None
None
Remaining A, B, Cn
Remaining A, B, Cn
OUTPUT
UNDER TEST
Fi
Fi
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
VCC
VIN
IIN
VOUT
IOUT
Tamb
Tstg
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
Operating free-air temperature range
Storage temperature range
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
40
0 to +70
–65 to +150
UNIT
V
V
mA
V
mA
°C
°C
March 3, 1989
5


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