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4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
HCC/HCF4008B
. 4 SUM OUTPUTS PLUS PARALLEL LOOK-
AHERD CARRY-OUTPUT
4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
. HIGH-SPEED OPERATION-SUM IN-TO-SUM
. QUIESCENT CURRENT SPECIFIED TO 20V
. INPUT CURRENT OF 100nA AT 18V AND 25 ° C
FOR HCC DEVICE
FOR HCC DEVICE
F
(Ceramic Frit Seal Package)
EY
(Plastic Package)
. 100% TESTED FOR QUIESCENT CURRENT
. 5V, 10V, AND 15V PARAMETRIC RATING
. MEETS ALL REQUIREMENTS OF JEDEC TEN-
TATIVE STANDARD N
13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
°
M1
(Micro Package)
C1
(Plastic Chip Carrier)
ORDER CODES :
HCC4008BF
HCF4008BM1
HCF4008BEY
HCF4008BC1
PIN CONNECTIONS
DESCRIPTION
The HCC4008B (extended temperature range) and
HCF4008B (intermediate temperature range) are
monolithic integrated circuits, available in 16-lead
dual in-line plastic or ceramic package and plastic
micropackage.
The HCC/HCF4008B types consist of four full adder
stages with fast look ahead carry provision from
stage to stage. Circuitry is included to provide a fast
”parallel-carry-out” to permit high-speed operation
in arithmetic sections using several HCC/HCF
4008B’s.
HCC/HCF4008B inputs include the four sets of bits
to be added, A 1 to A 4 and B 1 to B 4 , in addition to the
”Carry In” bit from a previous section.
HCC/HCF4008B outputs include the four sum bits,
S 1 to S 4 . In addition to the high speed ”parallel-carry-
out” which may be utilized at a succeeding
HCC/HCF4008B section.
June 1989
1/13
OUT 160ns (typ.) : CARRY IN-TO-CARRY OUT
50ns (typ.) AT V DD = 10V, C L = 50pF
21708392.002.png
HCC/HCF4008B
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V DD *
Supply Voltage : HCC Types
HCF Types
– 0.5 to + 20
– 0.5 to + 18
V
V
V i
Input Voltage
– 0.5 to V DD + 0.5
V
I I
DC Input Current (any one input)
±
10
mA
P tot
Total Power Dissipation (per package)
Dissipation per Output Transistor
for T op = Full Package-temperature Range
200
mW
100
mW
T op
Operating Temperature : HCC Types
HCF Types
–55to+125
–40to+85
C
°
C
T stg
Storage Temperature
– 65 to + 150
°
C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other conditions above those indicated in the operational sec-
tions of this specifi cation is not implied. Exposure to absolute maximum rating conditions for external periods may affect device
reliability.
* All voltage values are referred to V SS pin voltage.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
V DD
Supply Voltage : HCC Types
HCF Types
3to18
3to15
V
V
V I
Input Voltage
0 to V DD
V
T op
Operating Temperature : HCC Types
HCF Types
– 55 to + 125
–40to+85
C
°
C
2/13
°
°
21708392.003.png
HCC/HCF4008B
LOGIC DIAGRAM
TRUTH TABLE
A i
B i
CI
CO
SUM
O
I
O
I
O
I
O
I
O
O
I
I
O
O
I
I
O
O
O
O
I
I
I
I
O
O
O
I
O
I
I
I
O
I
I
O
I
O
O
I
3/13
21708392.004.png
HCC/HCF4008B
STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions)
Test Conditions
Value
Symbol
Parameter
V I
V O
|I O |V DD
T Low *
25
°
C
T High *
Unit
(V)
(V)
(
m
A) (V)
Min. Max. Min. Typ. Max. Min. Max.
I L
Quiescent
Current
0/ 5
5
5
0.04
5
150
HCC
Types
0/10
10
10
0.04 10
300
0/15
15
20
0.04 20
600
0/20
20
100
0.08 100
3000
m
A
0/ 5
5
20
0.04 20
150
HCF
Types
0/10
10
40
0.04 40
300
0/15
15
80
0.04 80
600
V OH
Output High
Voltage
0/ 5
< 1
5
4.95
4.95
4.95
0/10
< 1 10 9.95
9.95
9.95
V
0/15
< 1 15 14.95
14.95
14.95
V OL
Output Low
Voltage
5/0
< 1
5
0.05
0.05
0.05
10/0
< 1 10
0.05
0.05
0.05
V
15/0
< 1 15
0.05
0.05
0.05
V IH
Input High
Voltage
0.5/4.5 < 1
5
3.5
3.5
3.5
1/9
< 1 10
7
7
7
V
1.5/13.5 < 1 15
11
11
11
V IL
Input Low
Voltage
4.5/0.5 < 1
5
1.5
1.5
1.5
9/1
< 1 10
3
3
3
V
13.5/1.5 < 1 15
4
4
4
I OH
Output
Drive
Current
0/ 5
2.5
5
– 2
– 1.6 – 3.2
– 1.15
HCC
Types
0/ 5
4.6
5 – 0.64
– 0.51 – 1
– 0.36
0/10
9.5
10 – 1.6
– 1.3 – 2.6
– 0.9
0/15 13.5
15 – 4.2
– 3.4 – 6.8
– 2.4
mA
0/ 5
2.5
5 – 1.53
– 1.36 – 3.2
– 1.1
HCF
Types
0/ 5
4.6
5 – 0.52
– 0.44 – 1
– 0.36
0/10
9.5
10 – 1.3
– 1.1 – 2.6
– 0.9
0/15 13.5
15 – 3.6
– 3.0 – 6.8
– 2.4
I OL
Output
Sink
Current
0/ 5
0.4
5
0.64
0.51
1
0.36
HCC
Types
0/10
0.5
10
1.6
1.3
2.6
0.9
0/15
1.5
15
4.2
3.4
6.8
2.4
mA
0/ 5
0.4
5
0.52
0.44
1
0.36
HCF
Types
0/10
0.5
10
1.3
1.1
2.6
0.9
0/15
1.5
15
3.6
3.0
6.8
2.4
I IH ,I IL Input
Leakage
Current
HCC
Types
0/18
18
±
0.1
±
10 –5
±
0.1
±
1
Any Input
m
A
HCF
Types
0/15
15
±
0.3
±
10 –5
±
0.3
±
1
C I
Input Capacitance
Any Input
5
7.5
pF
*T Lo w =–55
Cfor HCC device : – 40
°
Cfor HCF device.
Cfor HCF device.
The Noise Margin for both ”1” and ”0” level is : 1V min. with V DD = 5V, 2V min. with V DD = 10V, 2.5 V min. with V DD = 15V.
°
Cfor HCC device : + 85
°
4/13
°
*T High = + 125
21708392.005.png
HCC/HCF4008B
DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25
°
C, C L = 50 pF, R L = 200 k
W
,
typical temperature coefficient for all V DD values is 0.3 %/
°
C, all input rise and fall times = 20 ns)
Symbol
Parameter
Test Conditions
Value
Unit
V DD (V) Min. Typ. Max.
t PLH ,t PHL Propagation Delay
Time
Sum In to
Sum Out
5
400
800
10
160
320
15
115
230
Carry In to
Sum Out
5
370
740
10
155
310
15
115
230
ns
Sum In to
Carry Out
5
200
400
10
90
180
15
65
130
Carry In to
Carry Out
5
100
200
10
50
100
15
40
80
t THL ,t TLH Transition Time
5
100
200
10
50
100
ns
15
40
80
Typical Output Low (sink) Current.
Minimum Output Low (sink) Current Charac-
teristics.
5/13
21708392.001.png

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