HCF4555B
DUAL BINARY TO 1 OF 4 DECODER/DEMULTIPLEXER
OUTPUT HIGH ON SELECT
■
■
■
■
■
■
■
EXPANDABLE WITH MULTIPLE PACKAGES
STANDARDIZED SYMMETRICAL OUTPUT
CHARACTERISTICS
QUIESCENT CURRENT SPECIFIED UP TO
20V
5V, 10V AND 15V PARAMETRIC RATINGS
INPUT LEAKAGE CURRENT
II = 100nA (MAX) AT VDD = 18V TA = 25°C
100% TESTED FOR QUIESCENT CURRENT
MEETS ALL REQUIREMENTS OF JEDEC
JESD13B " STANDARD SPECIFICATIONS
FOR DESCRIPTION OF B SERIES CMOS
DEVICES"
DESCRIPTION
The HCF4555B is a monolithic integrated circuit
fabricated in Metal Oxide Semiconductor
technology available in DIP and SOP packages.
The HCF4555B is a dual 1 of 4 decoder/
demultiplexer. Each decoder has two select inputs
(A and B), an Enable input (E), and four mutually
)
(s
t
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)
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DIP
SOP
PACKAGE
TUBE
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DIP
SOP
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ORDER CODES
HCF4555BEY
HCF4555BM1
T&R
HCF4555M013TR
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b
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exclusive outputs. On the HCF4555B the outputs
are high on select. When the Enable input is high,
the outputs is low regardless of the state of the
select inputs A and B.
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PIN CONNECTION
September 2001
1/10
HCF4555B
IINPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
2, 3
1
4, 5, 6, 7
14, 13
15
12, 11, 10, 9
Select Inputs (1/2 of dual)
Enable Input (1/2 of dual)
Outputs (1/2 of dual)
Select Inputs (1/2 of dual)
Enable Input (1/2 of dual)
Outputs (1/2 of dual)
8
A, B
E
Q0 to Q3
A, B
E
Q0 to Q3
VSS
16
VDD
Negative Supply Voltage
Positive Supply Voltage
)
s
(
ct
u
d
o
TRUTH TABLE
r
P
e
INPUTS ENABLE SELECT
OUTPUTS
E
B
A
Q3
L
L
L
L
H
L
L
H
H
X
L
H
L
H
X
L
L
L
H
L
s
(
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s
b
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2/10
let
o
s
b
O
)
X : Don’t Care
FUNCTIONAL DIAGRAM
Q2
L
L
H
L
L
Q1
Q0
L
H
L
L
L
H
L
L
L
L
HCF4555B
LOGIC DIAGRAM
)
s
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ct
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)
(s
ABSOLUTE MAXIMUM RATINGS
Symbol
VDD
Parameter
VI
DC Input Voltage
II
DC Input Current
od
PD
r
P
e
o
s
b
Value
Unit
-0.5 to +22
V
-0.5 to VDD + 0.5
V
± 10
mA
Power Dissipation per Package
Power Dissipation per Output Transistor
Operating Temperature
200
100
mW
mW
-55 to +125
°C
Storage Temperature
-65 to +150
°C
let
Top
Tstg
t
c
u
Supply Voltage
s
b
O
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
All voltage values are referred to VSS pin voltage.
O
RECOMMENDED OPERATING CONDITIONS
Symbol
VDD
Parameter
Supply Voltage
VI
Input Voltage
Top
Operating Temperature
Value
Unit
3 to 20
V
0 to VDD
V
-55 to 125
°C
3/10
HCF4555B
DC SPECIFICATIONS
Test Condition
Symbol
IL
Parameter
Quiescent Current
Low Level Output
Voltage
VOL
High Level Input
Voltage
VIH
Low Level Input
Voltage
VIL
Output Drive
Current
IOH
Output Sink
Current
IOL
Input Leakage
Current
Input Capacitance
II
CI
|IO| VDD
(µA) (V)
0/5
0/10
0/15
0/20
0/5
0/10
0/15
5/0
10/0
15/0
High Level Output
Voltage
VOH
VO
(V)
VI
(V)
0/5
0/5
0/10
0/15
0/5
0/10
0/15
0.5/4.5
1/9
1.5/13.5
4.5/0.5
9/1
13.5/1.5
2.5
4.6
9.5
13.5
0.4
0.5
1.5
r
P
e
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
)
s
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ct
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0/18
Value
5
10
15
20
5
10
15
5
10
15
5
10
15
5
10
15
5
5
10
15
5
10
15
TA = 25°C
Min.
Any Input
18
Max.
0.04
0.04
0.04
0.08
5
10
20
100
4.95
9.95
14.95
-55 to 125°C
Min.
Min.
Max.
150
300
600
3000
4.95
9.95
14.95
3.5
7
11
1.5
3
4
-3.2
-1
-2.6
-6.8
1
2.6
6.8
±10-5
±0.1
5
7.5
0.05
0.05
0.05
3.5
7
11
1.5
3
4
-1.1
-0.36
-0.9
-2.4
0.36
0.9
2.4
µA
)
s
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ct
u
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Pr
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s
b
-1.36
-0.44
-1.1
-3.0
0.44
1.1
3.0
150
300
600
3000
0.05
0.05
0.05
3.5
7
11
Unit
Max.
4.95
9.95
14.95
0.05
0.05
0.05
-O
Any Input
Typ.
-40 to 85°C
V
V
1.5
3
4
-1.1
-0.36
-0.9
-2.4
0.36
0.9
2.4
±1
V
V
mA
mA
±1
µA
pF
The Noise Margin for both "1" and "0" level is: 1V min. with VDD =5V, 2V min. with VDD=10V, 2.5V min. with VDD=15V
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DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)
s
b
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Symbol
Test Condition
Parameter
tPLH tPHL Propagation Delay Time
tPLH tPHL Propagation Delay Time
tTLH tTHL Transition Time
VDD (V)
5
10
15
5
10
15
5
10
15
(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.
4/10
Value (*)
Min.
A or B Input to any Output
E Input to any Output
Unit
Typ.
Max.
220
95
70
200
85
65
100
50
40
440
190
140
400
170
130
200
100
80
ns
ns
ns
HCF4555B
TYPICAL APPLICATIONS
1 OF 4 LINE DATA DEMULTIPLEXER USING HCF4555B
TRUTH TABLE
Select
Inputs
Outputs
B
A
Q0
Q1
Q2
Q3
L
L
H
H
L
H
L
H
DATA
L
L
L
L
DATA
L
L
L
L
DATA
L
L
L
L
DATA
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1 OF 8 DECODER USING HCF4555B
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TRUTH TABLE
Inputs
C
bs
B
O
)
s
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)
s
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ct
L
L
L
L
H
H
H
H
L
L
H
H
L
L
H
H
Outputs
A
0
1
2
3
4
5
6
7
L
H
L
H
L
H
L
H
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
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5/10
HCF4555B
1 OF 16 DECODER USING HCF4555B AND HCF4556B
TRUTH TABLE
INPUTS
E
D
C
B
A
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
0
0
1
X
X
X
X
0
0
s
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s
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CL = 50pF or equivalent (includes jig and probe capacitance)
RL = 200KΩ
RT = ZOUT of pulse generator (typically 50Ω)
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TEST CIRCUIT
6/10
Q OUTPUTS
0
0
0
0
0
0
0
0
0
0
0
0
ct
du
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(s)
1
0
0
1
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
HCF4555B
WAVEFORM 1 : PROPAGATION DELAY TIMES (INPUT TO Q3 OUTPUT) (f=1MHz; 50% duty cycle)
)
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WAVEFORM 2 : PROPAGATION DELAY TIMES (E INPUT TO Q3 OUTPUT) (f=1MHz; 50% duty cycle)
)
(s
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7/10
HCF4555B
Plastic DIP-16 (0.25) MECHANICAL DATA
mm.
inch
DIM.
MIN.
a1
0.51
B
0.77
TYP
MAX.
MIN.
TYP.
MAX.
0.020
1.65
0.030
0.065
b
0.5
0.020
b1
0.25
0.010
D
)
s
(
ct
20
E
8.5
e
2.54
e3
17.78
u
d
o
0.335
7.1
I
5.1
s
(
t
c
1.27
e
t
e
ol
bs
O
)
3.3
Z
Pr
0.100
F
L
0.787
0.700
0.280
0.201
0.130
0.050
u
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P001C
8/10
HCF4555B
SO-16 MECHANICAL DATA
mm.
DIM.
MIN.
TYP
A
inch
MAX.
MIN.
TYP.
a1
1.75
MAX.
0.1
0.068
0.2
a2
0.003
0.007
1.65
0.064
b
0.35
0.46
0.013
b1
0.19
0.25
0.007
C
0.5
0.018
)
s
(
ct
0.010
0.019
c1
45° (typ.)
D
9.8
10
0.385
E
5.8
6.2
0.228
e
1.27
e3
8.89
F
3.8
4.0
4.6
5.3
L
0.5
)
(s
e
t
e
l
so
b
O
1.27
S
Pr
0.393
0.244
0.050
G
M
u
d
o
0.62
0.350
0.149
0.157
0.181
0.208
0.019
0.050
0.024
8° (max.)
t
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PO13H
9/10
HCF4555B
)
s
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ct
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t
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(s
s
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s
b
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of STMicroelectronics.
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