MC14585BCP View Datasheet(PDF) - ON Semiconductor
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MC14585BCP Datasheet PDF : 7 Pages
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MC14585B
4−Bit Magnitude Comparator
The MC14585B 4−Bit Magnitude Comparator is constructed with
complementary MOS (CMOS) enhancement mode devices. The circuit
has eight comparing inputs (A3, B3, A2, B2, A1, B1, A0, B0), three
cascading inputs (A < B, A = B, and A > B), and three outputs (A < B,
A = B, and A > B). This device compares two 4−bit words (A and B)
and determines whether they are “less than”, “equal to”, or “greater
than” by a high level on the appropriate output. For words greater than
4−bits, units can be cascaded by connecting outputs (A > B), (A < B),
and (A = B) to the corresponding inputs of the next significant
comparator. Inputs (A < B), (A = B), and (A > B) on the least significant
(first) comparator are connected to a low, a high, and a low, respectively.
Applications include logic in CPU’s, correction and/or detection of
instrumentation conditions, comparator in testers, converters, and
controls.
Features
• Diode Protection on All Inputs
• Expandable
• Applicable to Binary or 8421−BCD Code
• 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
• Can be Cascaded − See Figure 3
• Pb−Free Packages are Available*
MAXIMUM RATINGS (Voltages Referenced to VSS)
Parameter
Symbol
Value
Unit
DC Supply Voltage Range
Input or Output Voltage Range
(DC or Transient)
VDD −0.5 to +18.0 V
Vin, Vout − 0.5 to VDD V
+ 0.5
Input or Output Current (DC or Transient) Iin, Iout
±10
mA
per Pin
Power Dissipation per Package (Note 1)
PD
500
mW
Ambient Temperature Range
TA
−55 to +125 °C
Storage Temperature Range
Tstg
−65 to +150 °C
Lead Temperature (8−Second Soldering)
TL
260
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. 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.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
1
1
http://onsemi.com
MARKING
DIAGRAMS
PDIP−16 16
P SUFFIX
CASE 648
1
MC14585BCP
AWLYYWWG
SOIC−16 16
D SUFFIX
CASE 751B
1
14585BG
AWLYWW
16
SOEIAJ−16
F SUFFIX
CASE 966
MC14585B
ALYWG
1
1
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G
= Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping†
MC14585BCP
MC14585BCPG
MC14585BD
MC14585BDG
MC14585BDR2
PDIP−16 25 Units / Rail
PDIP−16
(Pb−Free)
SOIC−16
25 Units / Rail
48 Units / Rail
SOIC−16
(Pb−Free)
48 Units / Rail
SOIC−16 2500/Tape & Reel
MC14585BDR2G SOIC−16 2500/Tape & Reel
(Pb−Free)
MC14585BFEL SOEIAJ−16 2000/Tape & Reel
MC14585BFELG SOEIAJ−16 2000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2006
1
June, 2006 − Rev. 6
Publication Order Number:
MC14585B/D
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