參數(shù)資料
型號： MC14556BD
廠商： MOTOROLA INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： 4000/14000/40000 SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝： PLASTIC, SOIC-16
文件頁數(shù)： 1/5頁
文件大?。?/td> 164K
代理商： MC14556BD
MOTOROLA CMOS LOGIC DATA
1
MC14555B MC14556B
Dual Binary to 1-of-4
Decoder/Demultiplexer
The MC14555B and MC14556B are constructed with complementary
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 “l(fā)ow” state. Expanded decoding such as binary–to–hexade-
cimal (1–of–16), etc., can be achieved by using other MC14555B or
MC14556B devices.
Applications include code conversion, address decoding, memory selec-
tion control, and demultiplexing (using the Enable input as a data input) in
digital data transmission systems.
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
MAXIMUM RATINGS* (Voltages Referenced to VSS)
Symbol
Parameter
Value
Unit
VDD
DC Supply Voltage
– 0.5 to + 18.0
V
Vin, Vout Input or Output Voltage (DC or Transient)
– 0.5 to VDD + 0.5
V
Iin, Iout
Input or Output Current (DC or Transient),
per Pin
± 10
mA
PD
Power Dissipation, per Package
500
mW
Tstg
Storage Temperature
– 65 to + 150
_C
TL
Lead Temperature (8–Second Soldering)
260
_C
* Maximum Ratings are those values beyond which damage to the device may occur.
Temperature Derating:
“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
BLOCK DIAGRAM
2
4
MC14555B
MC14556B
3
1
14
13
15
5
6
7
12
11
10
9
2
4
3
1
14
13
15
5
6
7
12
11
10
9
VDD = PIN 16
VSS = PIN 8
A
B
E
Q0
Q1
Q2
Q3
A
B
E
Q0
Q1
Q2
Q3
A
B
E
Q0
Q1
Q2
Q3
A
B
E
Q0
Q1
Q2
Q3
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1995
REV 3
1/94
MC14555B
MC14556B
L SUFFIX
CERAMIC
CASE 620
ORDERING INFORMATION
MC14XXXBCP
Plastic
MC14XXXBCL
Ceramic
MC14XXXBD
SOIC
TA = – 55° to 125°C for all packages.
P SUFFIX
PLASTIC
CASE 648
D SUFFIX
SOIC
CASE 751B
This device contains protection circuitry to
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, Vin and Vout should be constrained
to the range VSS v (Vin or Vout) v VDD.
Unused inputs must always be tied to an
appropriate logic voltage level (e.g., either VSS
or VDD). Unused outputs must be left open.
TRUTH TABLE
Inputs
Outputs
Enable
Select
MC14555B
MC14556B
E
B
A
Q3 Q2 Q1 Q0 Q3 Q2 Q1 Q0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X
0
1
X = Don’t Care
相關(guān)PDF資料
PDF描述
MC14557BFL1 4000/14000/40000 SERIES, 64-BIT RIGHT SERIAL IN SERIAL OUT SHIFT REGISTER, COMPLEMENTARY OUTPUT, PDSO16
MC14558BALDS 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, CDIP16
MC14558BCLD 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, CDIP16
MC14558BCPDS 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, PDIP16
MC14558BCLDS 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, CDIP16
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