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Data sheet acquired from Harris Semiconductor
SCHS152D
Features
Two Enable Inputs to Facilitate Demultiplexing and
Cascading Functions
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55
o
C to 125
o
C
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL
Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: N
IL
= 30%, N
IH
= 30%of V
CC
at
V
CC
= 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V
IL
= 0.8V (Max), V
IH
= 2V (Min)
- CMOS Input Compatibility, I
l
1
A at V
OL
, V
OH
Description
The
'HC154
and
'HCT154
are
4-
to
16-line
decoders/demultiplexers with two enable inputs, E1 and E2.
A High on either enable input forces the output into the High
state. The demultiplexing function is performed by using the
four input lines, A0 to A3, to select the output lines Y0 to
Y15, and using one enable as the data input while holding
the other enable low.
Pinout
CD54HC154, CD54HCT154
(CERDIP)
CD74HC154, CD74HCT154
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(
o
C)
PACKAGE
CD54HC154F3A
-55 to 125
24 Ld CERDIP
CD54HCT154F3A
-55 to 125
24 Ld CERDIP
CD74HC154E
-55 to 125
24 Ld PDIP
CD74HC154EN
-55 to 125
24 Ld PDIP
CD74HC154M
-55 to 125
24 Ld SOIC
CD74HC154M96
-55 to 125
24 Ld SOIC
CD74HCT154E
-55 to 125
24 Ld PDIP
CD74HCT154EN
-55 to 125
24 Ld PDIP
CD74HCT154M
-55 to 125
24 Ld SOIC
CD74HCT154M96
-55 to 125
24 Ld SOIC
NOTE: When ordering, use the entire part number. The suffix 96
denotes tape and reel.
1
2
3
4
5
6
7
8
9
10
11
12
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
GND
16
17
18
19
20
21
22
23
24
15
14
13
V
CC
A1
A2
A3
E2
Y15
Y13
Y12
Y11
A0
E1
Y14
September 1997 - Revised June 2004
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
2004, Texas Instruments Incorporated
CD54HC154, CD74HC154,
CD54HCT154, CD74HCT154
High-Speed CMOS Logic
4- to 16-Line Decoder/Demultiplexer
[ /Title
(CD74
HC154
,
CD74
HCT15
4)
/Sub-
ject
(High
Speed
CMOS
Logic
4-to-16
Line
Decod
er/Dem
2
Functional Diagram
TRUTH TABLE
INPUTS
OUTPUTS
E1
E2
A3
A2
A1
A0
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y14
Y15
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
L
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
H
L
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
L
L
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
L
L
L
H
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
L
L
L
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
L
H
L
L
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
L
L
H
L
L
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
L
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
L
H
H
L
L
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
L
L
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H = High Voltage Level, L = Low Voltage Level, X = Don't Care
1
2
3
4
6
8
7
5
Y0
Y7
Y6
Y5
Y4
Y3
Y2
Y1
9
Y8
10
Y9
11
Y10
GND = 12
V
CC
= 24
13
14
15
16
17
Y11
Y12
Y13
Y14
18
19
E1
E2
23
22
21
20
A1
A0
A2
A3
Y15
CD54HC154, CD74HC154, CD54HCT154, CD74HCT154
3
Absolute Maximum Ratings
Thermal Information
DC Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, I
IK
For V
I
< -0.5V or V
I
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . . . .
20mA
DC Output Diode Current, I
OK
For V
O
< -0.5V or V
O
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . .
20mA
DC Output Source or Sink Current per Output Pin, I
O
For V
O
> -0.5V or V
O
< V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . .
25mA
DC V
CC
or Ground Current, I
CC or
I
GND
. . . . . . . . . . . . . . . . . .
50mA
Operating Conditions
Temperature Range (T
A
) . . . . . . . . . . . . . . . . . . . . . -55
o
C to 125
o
C
Supply Voltage Range, V
CC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, V
I
, V
O
. . . . . . . . . . . . . . . . . 0V to V
CC
Input Rise and Fall Time
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
Thermal Resistance (Typical)
JA
(
o
C/W)
E (PDIP) Package (.600) (Note 1) . . . . . . . . . . . . . .
67
EN (PDIP) Package (.300) (Note 1). . . . . . . . . . . . .
67
M (SOIC) Package (Note 2). . . . . . . . . . . . . . . . . . .
46
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . .-65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. The package thermal impedance is calculated in accordance with JESD 51-3.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Specifications
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITS
V
I
(V)
I
O
(mA)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
High Level Input
Voltage
V
IH
-
-
2
1.5
-
-
1.5
-
1.5
-
V
4.5
3.15
-
-
3.15
-
3.15
-
V
6
4.2
-
-
4.2
-
4.2
-
V
Low Level Input
Voltage
V
IL
-
-
2
-
-
0.5
-
0.5
-
0.5
V
4.5
-
-
1.35
-
1.35
-
1.35
V
6
-
-
1.8
-
1.8
-
1.8
V
High Level Output
Voltage
CMOS Loads
V
OH
V
IH
or V
IL
-0.02
2
1.9
-
-
1.9
-
1.9
-
V
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
-0.02
6
5.9
-
-
5.9
-
5.9
-
V
High Level Output
Voltage
TTL Loads
-
-
-
-
-
-
-
-
-
V
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
-5.2
6
5.48
-
-
5.34
-
5.2
-
V
Low Level Output
Voltage
CMOS Loads
V
OL
V
IH
or V
IL
0.02
2
-
-
0.1
-
0.1
-
0.1
V
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
0.02
6
-
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
-
-
-
-
-
-
-
-
-
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
5.2
6
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
I
I
V
CC
or
GND
-
6
-
-
0.1
-
1
-
1
A
Quiescent Device
Current
I
CC
V
CC
or
GND
0
6
-
-
8
-
80
-
160
A
CD54HC154, CD74HC154, CD54HCT154, CD74HCT154
4
HCT TYPES
High Level Input
Voltage
V
IH
-
-
4.5 to
5.5
2
-
-
2
-
2
-
V
Low Level Input
Voltage
V
IL
-
-
4.5 to
5.5
-
-
0.8
-
0.8
-
0.8
V
High Level Output
Voltage
CMOS Loads
V
OH
V
IH
or V
IL
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
Low Level Output
Voltage
CMOS Loads
V
OL
V
IH
or V
IL
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
I
I
V
CC
and
GND
0
5.5
-
0.1
-
1
-
1
A
Quiescent Device
Current
I
CC
V
CC
or
GND
0
5.5
-
-
8
-
80
-
160
A
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
I
CC
(Note 3)
V
CC
-2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
A
NOTE:
3. For dual-supply systems theoretical worst case (V
I
= 2.4V, V
CC
= 5.5V) specification is 1.8mA.
DC Electrical Specifications
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITS
V
I
(V)
I
O
(mA)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HCT Input Loading Table
INPUT
UNIT LOADS
A0 - A3
1.4
E1, E2
1.3
NOTE: Unit Load is
I
CC
limit specified in DC Electrical Table, e.g.,
360
A max at 25
o
C.
Switching Specifications
Input t
r
, t
f
= 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO 125
o
C
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
Propagation Delay (Figure 1)
t
PLH,
t
PHL
C
L
= 50pF
2
-
-
175
-
220
-
265
ns
Address to Output
4.5
-
-
35
-
44
-
53
ns
C
L
=15pF
5
-
14
-
-
-
-
-
ns
C
L
= 50pF
6
-
-
30
-
37
-
45
ns
CD54HC154, CD74HC154, CD54HCT154, CD74HCT154
5
E1 to Output
t
PLH,
t
PHL
C
L
= 50pF
2
-
-
175
-
220
-
265
ns
4.5
-
-
35
-
44
-
53
ns
C
L
=15pF
5
-
14
-
-
-
-
-
ns
C
L
= 50pF
6
-
-
30
-
37
-
45
ns
E2 to Output
t
PLH,
t
PHL
C
L
= 50pF
2
-
-
175
-
220
-
265
ns
4.5
-
-
35
-
44
-
53
ns
C
L
=15pF
5
-
14
-
-
-
-
-
ns
C
L
= 50pF
6
-
-
30
-
37
-
45
ns
Output Transition Time
(Figure 1)
t
TLH
, t
THL
C
L
= 50pF
2
-
-
75
-
95
-
110
ns
4.5
-
-
15
-
19
-
22
ns
6
-
-
13
-
16
-
19
ns
Input Capacitance
C
IN
-
-
-
-
10
-
10
-
10
pF
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
-
5
-
88
-
-
-
-
-
pF
HCT TYPES
Propagation Delay (Figure 2)
t
PLH
, t
PHL
Address to Output
C
L
= 50pF
4.5
-
-
35
-
44
-
53
ns
C
L
=15pF
5
-
14
-
-
-
-
ns
E1 to Output
t
PLH
, t
PHL
C
L
= 50pF
4.5
-
-
34
-
43
-
51
ns
C
L
=15pF
5
-
14
-
-
-
-
-
ns
E2 to Output
t
PLH
, t
PHL
C
L
= 50pF
4.5
-
34
-
43
-
51
ns
C
L
=15pF
5
-
14
-
-
-
-
-
ns
Output Transition Time
t
TLH
, t
THL
C
L
= 50pF
4.5
-
-
15
-
19
-
22
ns
Input Capacitance
C
IN
-
-
-
-
10
-
10
-
10
pF
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
-
5
84
-
-
-
-
-
pF
NOTES:
4. C
PD
is used to determine the dynamic power consumption, per gate.
5. P
D
= V
CC
2
f
i
(C
PD
+ C
L
) where f
i
= input frequency, C
L
= output load capacitance, V
CC
= supply voltage.
Switching Specifications
Input t
r
, t
f
= 6ns (Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO 125
o
C
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CD54HC154, CD74HC154, CD54HCT154, CD74HCT154