參數(shù)資料
型號(hào): 74LS83
廠商: Motorola, Inc.
英文描述: 4-BIT BINARY FULL ADDER WITH FAST CARRY
中文描述: 4位二進(jìn)制全加器與快速進(jìn)
文件頁數(shù): 1/3頁
文件大?。?/td> 94K
代理商: 74LS83
5-81
FAST AND LS TTL DATA
4-BIT BINARY FULL ADDER
WITH FAST CARRY
The SN54/74LS83A is a high-speed 4-Bit binary Full Adder with internal
carry lookahead. It accepts two 4-bit binary words (A1–A4, B1–B4) and a
Carry Input (C0). It generates the binary Sum outputs
1–
4) and the Carry
Output (C4) from the most significant bit. The LS83A operates with either
active HIGH or active LOW operands (positive or negative logic). The
SN54/74LS283 is recommended for new designs since it is identical in
function with this device and features standard corner power pins.
14
13
12
11
10
9
1
2
3
A3
4
5
6
B4
16
7
15
8
A2
Σ
4
C4
C0
GND
B1
A1
Σ
1
A4
Σ
3
Σ
2
B2
CONNECTION DIAGRAM DIP
(TOP VIEW)
B3
VCC
NOTE:
The Flatpak version has the
same pinouts (Connection
Diagram) as the Dual In-Line
Package.
PIN NAMES
LOADING
(Note a)
HIGH
LOW
A1–A4
B1–B4
C0
Σ
1–
Σ
4
C4
NOTES:
a) 1 TTL Unit Load (U.L.) = 40
μ
A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
Temperature Ranges.
Operand A Inputs
Operand B Inputs
Carry Input
Sum Outputs (Note b)
Carry Output (Note b)
1.0 U.L.
1.0 U.L.
0.5 U.L.
10 U.L.
10 U.L.
0.5 U.L.
0.5 U.L.
0.25 U.L.
5 (2.5) U.L.
5 (2.5) U.L.
SN54/74LS83A
4-BIT BINARY FULL ADDER
WITH FAST CARRY
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
SN54LSXXJ
SN74LSXXN
SN74LSXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
10 11 8
7
3 4
1 16
9 6 2 15 14
13
14
C0
B1A2B2A3B3A4B4
C4
1
2
3
4C4
LOGIC DIAGRAM
A3
3
VCC = PIN 5
GND = PIN 12
= PIN NUMBERS
C1
C2
C3
C0 A1
13
B1
A2
B2
B3
A4
B4
C4
1
2
3
4
15
4
10
11
16
1
2
6
7
9
8
14
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