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4 X 4 MULTIPORT REGISTER
HCC40108B
HCF40108B
. FOUR 4-BIT REGISTERS
4 x 4 MULTIPORT REGISTER
. UNLIMITED EXPANSION IN BIT AND WORD
no new data is netered. In either case, the contents
of any word may be accessed via the read address
lines independent of the state of the CLOCK input.
. DATA LINES HAVE LATCHED INPUTS
. 3-STATE OUTPUTS
. SEPARATE CONTROL OF EACH BUS,
ALLOWING SIMULTANEOUS INDEPENDET
READING AND ANY OF FOUR REGISTERS
ON BUS A AND BUS B AND INDEPENDENT
WRITING INTO ANY ANY OF THE FOUR REG-
ISTERS
. 40108B IS PIN COMPATIBLE WITH INDUSTRY
TYPE MC14580
EY
(Plastic Package)
F
(Ceramic Package)
. STANDARDIZED, SYMMETRICAL OUTPUT
. QUIESCENT CURRENT SPECIFIED AT 20V
FOR HCC DEVICE
CHARACTERISTICS
. 5V, 10V AND 15V PARAMETRIC RATINGS
. INPUT CURRENTOF 100 nA AT 18V AND 25oC
FOR HCC DEVICE
M1
(Micro Package)
C1
(Chip Carrier)
. 100% TESTED FOR QUIESCENT CURRENT
ORDER CODES :
HCC40108BF
. MEETS ALL REQUIREMENTS OF JEDEC TEN-
HCF40108BM1
HCF40108BEY
HCF40108BC1
TATIVE STANDARD No 13a, ”STANDARD
SPECIFICATIONS FOR DESCRIPTION OF B
SERIES CMOS DEVICES”
PIN CONNECTIONS
DESCRIPTION
The HCC40108B (extended temperature range)
and HCF40108B (intermediate temperature range)
are monolithic integrated circuits, available in 24
lead dual in line plastic or ceramic packageand plas-
tic micropackage. The HCC/HCF40108B is a 4 X 4
multiport register containing four 4-bit register, write
address decoder, two separate read address
decoders, and two 3-state output buses. When the
ENABLE input is low, the corresponding output bus
is switched, independently of the clock, to a high im-
pedance state. The high impedance third state pro-
vides the outputs with the capability of being
connected to the bus lines in a bus organized sys-
tem without the need for interface or pull-up compo-
nents. When the WRITE ENABLE input is high, all
data input lines are latched on the positive transition
of the CLOCK and the data is entered into the word
selected by the write address lines. When WRITE
ENABLE is low, the CLOCK is inhibited and
September 1988
1/14
. ONE INPUT AND TWO OUTPUT BUSES
DIRECTION
21706091.002.png
HCC/HCF40108
FUNCTIONAL DIAGRAM
LOGIC DIAGRAM
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HCC/HCF40108
ABSOLUTE MAXIMUM RATING
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 Top = Full Package Temperature Range
200
mW
100
mW
T op
Operating Temperature: HCC Types
HCF Types
-55 to +125
-40 to +85
o C
o C
o C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress ratingonly and functional
operation of the device at these or any other conditions above those indicated in the operational sections of this specification 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.
Storage Temperature
-65 to +150
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
-40 to +85
C
o C
TRUTH TABLE
CLOCK
Write
Enable
Write
1
Write
2
Read
1A
Read
0A
Read
1B
Read
0B
Enable
A
Enable
B
D n
Q nA
Q nB
1
S1
S2
S1
S2
S1
S2
1
1
1
1
1
1
S1
S2
S1
S2
S1
S2
1
0
0
0
0
X
X
X
X
X
X
X
X
0
X
Z
Z
Z
1
0
0
0
1
1
0
1
1
D n to
word 0
Word
1 Out
Word
2 Out
0
0
0
0
1
1
0
1
1
Word
0 not
altered
Word
1 Out
Word
2 Out
X
X
X
X
1
0
0
1
1
X
X
Word
2 Out
Word
1 Out
X
X
X
X
X
X
X
1
1
X
NC
NC
1 = HIGH LEVEL, 0 = LOW LEVEL, X = DON’T CARE, Z = HIGH IMPEDANCE
S1 and S2 refer to input strates of either 1 or 0
3/14
T stg
o
21706091.004.png
HCC/HCF40108
SCHEMATIC DIAGRAM
4/14
21706091.005.png
HCC/HCF40108
STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions)
Test Conditios
Value
Symbol
Parameter
V I
(V)
V O
(V)
|I O |
V DD
(V)
T LOW * 25 o C T HIGH *
Min. Max. Min. Typ. Max. Min. Max.
Unit
(
m
A)
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
m
A
0/20
20
100
0.08 100
3000
HCF
Types
0/5
5
20
0.04 20
150
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
V
0/10
< 1 10 9.95
9.95
9.95
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
HCC
Types
0/5
0.4
5 0.64
0.51
1
0.36
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
HCF
Types
0/5
0.4
5 0.52
0.44
1
0.36
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 , IL
Input
Leakage
Current
HCC
Types
0/18
18
±
0.1
±
10 -5
±
0.1
±
Any Input
m
A
HCF
Types
0/15
15
±
0.3
±
10 -5
±
0.3
±
I OH , OL
**
3-Sate
Output
Leakage
Current
HCC
Types
0/18 0/18
18
±
0.4
±
10 -4
±
0.4
±
12
m
A
HCF
Types
0/15 0/15
15
±
1.0
±
10 -4
±
1.0
±
7.5
C I
Input Capacitance
Any Input
5
7.5
pF
*T LOW =-55 o Cfor HCC device: -40 o C for HCF device.
*T HIGH =+125 o Cfor HCC device: +85 o C for HCF device.
The Noise Margin for both ”1” and ”0” level is: 1V min. with V DD = 5 V, 2 V min. with V DD = 10 V, 2.5 V min. with V DD =15V
** Forced output disable
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1
1
21706091.001.png

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