MC14556BCL Motorola, MC14556BCL Datasheet

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MC14556BCL

Manufacturer Part Number
MC14556BCL
Description
Dual binary to 1-of-4 decoder/demultiplexer
Manufacturer
Motorola
Datasheet

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Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Dual Binary to 1-of-4
Decoder/Demultiplexer
MOS (CMOS) enhancement mode devices. Each Decoder/Demultiplexer
has two select inputs (A and B), an active low Enable input (E), and four
mutually exclusive outputs (Q0, Q1, Q2, Q3). The MC14555B has the
selected output go to the “high” state, and the MC14556B has the selected
output go to the “low” state. Expanded decoding such as binary–to–hexade-
cimal (1–of–16), etc., can be achieved by using other MC14555B or
MC14556B devices.
tion control, and demultiplexing (using the Enable input as a data input) in
digital data transmission systems.
* Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
REV 3
1/94
MAXIMUM RATINGS*
V in , V out
Symbol
MOTOROLA CMOS LOGIC DATA
I in , I out
The MC14555B and MC14556B are constructed with complementary
Applications include code conversion, address decoding, memory selec-
Motorola, Inc. 1995
V DD
Diode Protection on All Inputs
Active High or Active Low Outputs
Expandable
Supply Voltage Range = 3.0 Vdc to 18 Vdc
All Outputs Buffered
Capable of Driving Two Low–Power TTL Loads or One Low–Power
Schottky TTL Load Over the Rated Temperature Range
T stg
P D
T L
“P and D/DW” Packages: – 7.0 mW/C From 65 _ C To 125 _ C Ceramic
“L” Packages: – 12 mW/ _ C From 100 _ C To 125 _ C
14
13
15
2
3
1
DC Supply Voltage
Input or Output Voltage (DC or Transient)
Input or Output Current (DC or Transient),
per Pin
Power Dissipation, per Package†
Storage Temperature
Lead Temperature (8–Second Soldering)
A
B
E
A
B
E
MC14555B
Q0
Q1
Q2
Q3
Q0
Q1
Q2
Q3
(Voltages Referenced to V SS )
Parameter
BLOCK DIAGRAM
4
5
6
7
12
11
10
9
V DD = PIN 16
V SS = PIN 8
14
13
15
2
3
1
– 0.5 to V DD + 0.5
A
B
E
A
B
E
MC14556B
– 0.5 to + 18.0
– 65 to + 150
Value
500
260
10
Q0
Q1
Q2
Q3
Q0
Q1
Q2
Q3
4
5
6
7
12
11
10
9
Unit
mW
mA
_ C
_ C
V
V
Enable
X = Don’t Care
guard against damage due to high static
voltages or electric fields. However, pre-
cautions must be taken to avoid applications of
any voltage higher than maximum rated volt-
ages to this high–impedance circuit. For proper
operation, V in and V out should be constrained
to the range V SS
appropriate logic voltage level (e.g., either V SS
or V DD ). Unused outputs must be left open.
E
0
0
0
0
1
This device contains protection circuitry to
Unused inputs must always be tied to an
Inputs
T A = – 55 to 125 C for all packages.
B
0
0
1
1
X
ORDERING INFORMATION
Select
MC14XXXBCP
MC14XXXBCL
MC14XXXBD
MC14555B
MC14556B
A
0
1
0
1
X
TRUTH TABLE
Q3 Q2 Q1 Q0 Q3 Q2 Q1 Q0
0
0
0
1
0
v
MC14555B
MC14555B MC14556B
(V in or V out )
0
0
1
0
0
0
1
0
0
0
Outputs
1
0
0
0
0
CASE 751B
CERAMIC
CASE 620
CASE 648
D SUFFIX
L SUFFIX
P SUFFIX
PLASTIC
Plastic
Ceramic
SOIC
SOIC
1
1
1
0
1
v
MC14556B
V DD .
1
1
0
1
1
1
0
1
1
1
0
1
1
1
1
1

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MC14556BCL Summary of contents

Page 1

... PIN PIN 8 REV 3 1/94 MOTOROLA CMOS LOGIC DATA Motorola, Inc. 1995 Value Unit – 0 18.0 V – 0 0.5 V Enable 500 – 150 260 X = Don’t Care guard against damage due to high static voltages or electric fields ...

Page 2

... Adc 5.0 7.5 — — pF 0.005 5.0 — 150 Adc 0.010 10 — 300 0.015 20 — 600 Adc MC14556B MOTOROLA CMOS LOGIC DATA ...

Page 3

... B INPUTS (50% DUTY CYCLE) OUTPUT Q1 All 8 outputs connect to respective C L loads respect to a system clock. Figure 1. Dynamic Power Dissipation Signal Waveforms Eliminated for MC14555B MOTOROLA CMOS LOGIC DATA ( pF Symbol TLH , t THL 5 PLH , t PHL 5 ...

Page 4

... ROUNDED CORNERS OPTIONAL. INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0.740 0.770 18.80 19.55 B 0.250 0.270 6.35 6.85 C 0.145 0.175 3.69 4.44 D 0.015 0.021 0.39 0.53 F 0.040 0.70 1.02 1.77 G 0.100 BSC 2.54 BSC H 0.050 BSC 1.27 BSC J 0.008 0.015 0.21 0.38 K 0.110 0.130 2.80 3.30 L 0.295 0.305 7.50 7. 0.020 0.040 0.51 1.01 MOTOROLA CMOS LOGIC DATA ...

Page 5

... Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur ...

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