HCC40147B
HCF40147B
April 1991
10 TO 4 LINE BCD PRIORITY ENCODER
EY
(Plastic Package)
DESCRIPTION
ORDER CODES :
HCC40147BF
HCF40147BM1
HCF40147BEY
HCF40147BC1
F
(Ceramic Package)
M1
(Micro Package)
C1
(Chip Carrier)
PIN CONNECTIONS
.
ENCODES 10 LINE TO 4 LINE BCD
.
ACTIVE LOW INPUTS AND OUTPUTS
.
STANDARDIZED, SYMMETRICAL OUTPUT
CHARACTERIZATION
.
100 % TESTED FOR QUIESCENT CURRENT
AT 20 V
.
5V, 10V AND 15V PARAMETRIC RATINGS
.
MAXIMUM INPUT CURREENT OF 1
A AT 18V
OVER
FULL
PACKAGE
TEMPERATURE
RANGE; 100 nA AT 18 V AND 25
o
C
.
NOISE MARGIN (FULL PACKAGE TEMPERA-
TURE RANGE): 1V AT V
DD
= 5V, 2V AT
V
DD
= 10V, 2.5V AT V
DD
= 15V
APPLICATIONS:
.
KEYBOARD ENCODING
.
10 LINE TO BCD ENCODING
.
RANGE SELECTION
The HCC/HCF40147B CMOS encoder features
priority encoding of the inputs to ensure that only the
highest order data line is encoded. Ten data input
lines (0-9) are encoded to four line (8, 4, 2, 1) BCD.
The highest priority line is line 9. All four output lines
are logic 1 (VSS) when all input lines are logic 0. All
inputs and outputs are buffered, and each output
can drive one TTL Low Power Schottky load. The
HCC/HCFF40147 is functionally similar to
the
T54/T74LS147 if pin 15 is tied low.
The HCC/HCF40147B types are supplied in 16 lead
plastic or ceramic and plastic micropackage.
1/12
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
100
mW
mW
T
op
Operating Temperature: HCC Types
HCF Types
-55 to +125
-40 to +85
o
C
o
C
T
stg
Storage Temperature
-65 to +150
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.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
V
DD
Supply Voltage: HCC Types
HCF Types
3 to 18
3 to 15
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
o
C
o
C
TRUTH TABLE
INPUT
OUTPUTS
0
1
2
3
4
5
6
7
8
9
D
C
B
A
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
X
1
0
0
0
0
0
0
0
0
0
0
0
1
X
X
1
0
0
0
0
0
0
0
0
0
1
0
X
X
X
1
0
0
0
0
0
0
0
0
1
1
X
X
X
X
1
0
0
0
0
0
0
1
0
0
X
X
X
X
X
1
0
0
0
0
0
1
0
1
X
X
X
X
X
X
1
0
0
0
0
1
1
0
X
X
X
X
X
X
X
1
0
0
0
1
1
1
X
X
X
X
X
X
X
X
1
0
1
0
0
0
X
X
X
X
X
X
X
X
X
1
1
0
0
1
0 = High Level, 1 = Low Level, X = Don't Care
HCC/HCF40147B
2/12
LOGIC DIAGRAM
HCC/HCF40147B
3/12
STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions)
Symbol
Parameter
Test Conditios
Value
Unit
V
I
(V)
V
O
(V)
|I
O
|
(
A)
V
DD
(V)
T
LOW
*
25
o
C
T
HIGH
*
Min.
Max.
Min.
Typ.
Max.
Min.
Max.
I
L
Quiescent
Current
HCC
Types
0/5
5
1
0.02
1
30
A
0/10
10
2
0.02
2
60
0/15
15
4
0.02
4
120
0/20
20
20
0.04
20
600
HCF
Types
0/5
5
4
0.02
4
30
0/10
10
8
0.02
8
60
0/15
15
16
0.02
16
120
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
V
10/0
< 1
10
0.05
0.05
0.05
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
V
1/9
< 1
10
7
7
7
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
V
9/1
< 1
10
3
3
3
13.5/1.5
< 1
15
4
4
4
I
OH
Output
Drive
Current
HCC
Types
0/5
2.5
5
-2
-1.6
-3.2
-1.15
mA
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
HCF
Types
0/5
2.5
5
-1.53
-1.36
-3.2
-1.1
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
mA
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
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
, I
IL
Input Leakage
Current
0/18
Any Input
18
0.1
10
-5
0.1
1
A
0/15
15
0.3
10
-5
0.3
1
A
C
I
Input Capacitance
Any Input
5
7.5
pF
* T
LOW
= -55
o
C for HCC device: -40
o
C for HCF device.
* T
HIGH
= +125
o
C for 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
= 15 V
HCC/HCF40147B
4/12
DYNAMIC ELECTRICAL CHARACTERISTICS (T
amb
= 25
o
C, C
L
= 50 pF, R
L
= 200 K
,
typical temperature coefficent for all V
DD
values is 03 %/
o
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
In Phase Output
5
450
900
ns
10
200
400
15
150
300
t
PLH
t
PHL
Propagation Delay Time
Out of Phase Output
5
425
850
ns
10
175
350
15
125
250
t
TLH
t
THL
Transition Time
5
100
200
ns
10
50
100
15
40
80
C
I
Input Capacitance
5
7.5
pF
Typical Output Low (source) Current Charac-
teristics
Minimum Output High (source) Current Charac-
teristics
Typical Output High (source) Current Charac-
teristics
Minimum Output Low (source) Current Charac-
teristics
HCC/HCF40147B
5/12
Propagation Delay Time vs Load Capacitance
Tipical Transition Time vs Load Capacitance
Typical Dynamic Power Dissipation vs Input Fre-
quency
HCC/HCF40147B
6/12
Quiescent Device Current.
Noise Immunity.
Input Leakage Current.
TEST CIRCUITS
Dynamic Power DIssipation Test Circuit
HCC/HCF40147B
7/12
Plastic DIP16 (0.25) MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
a1
0.51
0.020
B
0.77
1.65
0.030
0.065
b
0.5
0.020
b1
0.25
0.010
D
20
0.787
E
8.5
0.335
e
2.54
0.100
e3
17.78
0.700
F
7.1
0.280
I
5.1
0.201
L
3.3
0.130
Z
1.27
0.050
P001C
HCC/HCF40147B
8/12
Ceramic DIP16/1 MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
20
0.787
B
7
0.276
D
3.3
0.130
E
0.38
0.015
e3
17.78
0.700
F
2.29
2.79
0.090
0.110
G
0.4
0.55
0.016
0.022
H
1.17
1.52
0.046
0.060
L
0.22
0.31
0.009
0.012
M
0.51
1.27
0.020
0.050
N
10.3
0.406
P
7.8
8.05
0.307
0.317
Q
5.08
0.200
P053D
HCC/HCF40147B
9/12
SO16 (Narrow) MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
1.75
0.068
a1
0.1
0.2
0.004
0.007
a2
1.65
0.064
b
0.35
0.46
0.013
0.018
b1
0.19
0.25
0.007
0.010
C
0.5
0.019
c1
45
(typ.)
D
9.8
10
0.385
0.393
E
5.8
6.2
0.228
0.244
e
1.27
0.050
e3
8.89
0.350
F
3.8
4.0
0.149
0.157
G
4.6
5.3
0.181
0.208
L
0.5
1.27
0.019
0.050
M
0.62
0.024
S
8
(max.)
P013H
HCC/HCF40147B
10/12
PLCC20 MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
9.78
10.03
0.385
0.395
B
8.89
9.04
0.350
0.356
D
4.2
4.57
0.165
0.180
d1
2.54
0.100
d2
0.56
0.022
E
7.37
8.38
0.290
0.330
e
1.27
0.050
e3
5.08
0.200
F
0.38
0.015
G
0.101
0.004
M
1.27
0.050
M1
1.14
0.045
P027A
HCC/HCF40147B
11/12
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
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HCC/HCF40147B
12/12
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