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MC14028BD Datasheet(数据表) 1 Page - ON Semiconductor

部件型号  MC14028BD
说明  BCD-To-Decimal Decoder Binary-To-Octal Decoder
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
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© Semiconductor Components Industries, LLC, 2000
March, 2000 – Rev. 3
1
Publication Order Number:
MC14028B/D
MC14028B
BCD-To-Decimal Decoder
Binary-To-Octal Decoder
The MC14028B decoder is constructed so that an 8421 BCD code
on the four inputs provides a decimal (one–of–ten) decoded output,
while a 3–bit binary input provides a decoded octal (one–of–eight)
code output with D forced to a logic “0”. Expanded decoding such as
binary–to–hexadecimal (one–of–16), etc., can be achieved by using
other MC14028B devices. The part is useful for code conversion,
address decoding, memory selection control, demultiplexing, or
readout decoding.
Diode Protection on All Inputs
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Capable of Driving Two Low–power TTL Loads or One Low–power
Schottky TTL Load Over the Rated Temperature Range
Positive Logic Design
Low Outputs on All Illegal Input Combinations
Similar to CD4028B.
MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 2.)
Symbol
Parameter
Value
Unit
VDD
DC Supply Voltage Range
– 0.5 to +18.0
V
Vin, Vout
Input or Output Voltage Range
(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 (Note 3.)
500
mW
TA
Ambient Temperature Range
– 55 to +125
°C
Tstg
Storage Temperature Range
– 65 to +150
°C
TL
Lead Temperature
(8–Second Soldering)
260
°C
2. Maximum Ratings are those values beyond which damage to the device
may occur.
3. Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/
_C From 65_C To 125_C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages 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.
http://onsemi.com
A
= Assembly Location
WL or L
= Wafer Lot
YY or Y
= Year
WW or W = Work Week
Device
Package
Shipping
ORDERING INFORMATION
MC14028BCP
PDIP–16
2000/Box
MC14028BD
SOIC–16
2400/Box
MC14028BDR2
SOIC–16
2500/Tape & Reel
1. For ordering information on the EIAJ version of
the SOIC packages, please contact your local
ON Semiconductor representative.
MARKING
DIAGRAMS
1
16
PDIP–16
P SUFFIX
CASE 648
MC14028BCP
AWLYYWW
SOIC–16
D SUFFIX
CASE 751B
1
16
14028B
AWLYWW
SOEIAJ–16
F SUFFIX
CASE 966
1
16
MC14028B
AWLYWW
MC14028BF
SOEIAJ–16
See Note 1.
MC14028BFEL
SOEIAJ–16
See Note 1.




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