
MOTOROLA CMOS LOGIC DATA
6–27
MC14008B
4-Bit Full Adder
The MC14008B 4–bit full adder is constructed with MOS P–channel and
N–channel enhancement mode devices in a single monolithic structure. This
device consists of four full adders with fast internal look–ahead carry output.
It is useful in binary addition and other arithmetic applications. The fast
parallel carry output bit allows high–speed operation when used with other
adders in a system.
•
Look–Ahead Carry Output
•
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
•
Pin–for–Pin Replacement for CD4008B
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
MAXIMUM RATINGS*
(Voltages Referenced to VSS)
ÎÎÎÎ
ÎÎÎÎ
Symbol
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Parameter
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
Value
ÎÎÎ
ÎÎÎ
Unit
ÎÎÎÎ
ÎÎÎÎ
VDD
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
DC Supply Voltage
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 0.5 to + 18.0
ÎÎÎ
ÎÎÎ
V
ÎÎÎÎ
ÎÎÎÎ
Vin, Vout
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Input or Output Voltage (DC or Transient)
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 0.5 to VDD + 0.5
ÎÎÎ
ÎÎÎ
V
ÎÎÎÎ
Î
ÎÎ
Î
ÎÎÎÎ
lin, lout
ÎÎÎÎÎÎÎÎÎÎÎ
Î
ÎÎÎÎÎÎÎÎÎ
Î
ÎÎÎÎÎÎÎÎÎÎÎ
Input or Output Current (DC or Transient),
per Pin
ÎÎÎÎÎÎ
Î
ÎÎÎÎ
Î
ÎÎÎÎÎÎ
±
10
ÎÎÎ
Î
Î
Î
ÎÎÎ
mA
ÎÎÎÎ
ÎÎÎÎ
PD
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Power Dissipation, per Package†
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
500
ÎÎÎ
ÎÎÎ
mW
ÎÎÎÎ
ÎÎÎÎ
Tstg
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Storage Temperature
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 65 to + 150
ÎÎÎ
ÎÎÎ
_
C
ÎÎÎÎ
ÎÎÎÎ
TL
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Lead Temperature (8–Second Soldering)
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
260
ÎÎÎ
ÎÎÎ
_
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
BLOCK DIAGRAM
HIGH–SPEED
PARALLEL CARRY
14
Cout
13
S4
12
S3
11
S2
10
S1
B4 15
A4
1
B3
2
A3
3
B2
4
A2
5
B1
6
A1
7
Cin
9
ADDER
4
ADDER
3
ADDER
2
ADDER
1
C4
C3
C2
VDD = PIN 16
VSS = PIN 8
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
TRUTH TABLE
(One Stage)
MC14008B
L SUFFIX
CERAMIC
CASE 620
ORDERING INFORMATION
MC14XXXBCP
Plastic
MC14XXXBCL
Ceramic
MC14XXXBD
SOIC
TA = – 55
°
to 125
°
C for all packages.
P SUFFIX
PLASTIC
CASE 648
D SUFFIX
SOIC
CASE 751B
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
S3
S4
Cout
B4
VDD
Cin
S1
S2
B2
A3
B3
A4
VSS
A1
B1
A2
PIN ASSIGNMENT
Cin
B
A
Cout
S
0
0
0
0
0
0
0
1
0
1
0
1
0
0
1
0
1
1
1
0
1
0
0
0
1
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
Содержание CMOS Logic
Страница 1: ......
Страница 5: ...iv MOTOROLA CMOS LOGIC DATA ...
Страница 6: ...Master Index 1 ...
Страница 12: ...Product Selection Guide 2 ...
Страница 17: ...The Better Program 3 ...
Страница 20: ...B and UB Series Family Data 4 ...
Страница 25: ...CMOS Handling and Design Guidelines 5 ...
Страница 32: ...CMOS Handling and Design Guidelines 5 ...
Страница 39: ...Data Sheets 6 ...
Страница 69: ...MOTOROLA CMOS LOGIC DATA 6 31 MC14008B Figure 5 Logic Diagram Cin A1 B1 A2 B2 A3 B3 A4 B4 S1 S2 S3 S4 Cout ...
Страница 234: ...MOTOROLA CMOS LOGIC DATA MC14174B 6 196 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 238: ...MOTOROLA CMOS LOGIC DATA MC14175B 6 200 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 555: ...CMOS Reliability 7 ...
Страница 561: ...Equivalent Gate Count 8 ...
Страница 563: ...Packaging Information Including Surface Mounts 9 ...
Страница 571: ......