MC14008BDR2G ON Semiconductor, MC14008BDR2G Datasheet - Page 6

• Manufacturer Part Number: MC14008BDR2G
• Description: IC FULL ADDER 4BIT P/N 16-SOIC
• Manufacturer: ON Semiconductor
• Series: 4000Br

Specifications of MC14008BDR2G

• Logic Type: Full Adder
• Supply Voltage: 3 V ~ 18 V
• Number Of Bits: 4
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

C
B4
A4
B3
A3
B2
A2
B1
A1
in
C
A1
in
S1
Calculation of 16−bit adder speed:
The guaranteed 16−bit adder speed at 10 V, 25°C, C
Figure 6. Using the MC14008B in a 16−Bit Adder Configuration
t
t
P
p
CHIP
total = 290 + 310 + 300 = 900 ns
total = t
1
C
B4
S4
P
out
(Sum to Carry) + t
C
A1
S1
in
TYPICAL APPLICATION
Figure 5. Logic Diagram
http://onsemi.com
CHIP
2
MC14008B
WORD A + B INPUTS
P
SUM OUTPUTS
C
(Carry to Sum) + 2 t
B4
S4
out
6
C
A1
in
S1
CHIP
3
L
P
= 50 pF is:
(Carry to Carry)
C
B4
S4
out
C
A1
S1
in
CHIP
4
B4
C
S4
out
C
S4
S3
S2
S1
out