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.
http://onsemi.com
MARKING
DIAGRAMS
16
PDIP−16
MC14585BCP
AWLYYWWG
P SUFFIX
CASE 648
1
1
Features
16
SOIC−16
D SUFFIX
CASE 751B
• Diode Protection on All Inputs
• Expandable
14585BG
AWLYWW
1
1
• 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*
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
MAXIMUM RATINGS (Voltages Referenced to V
)
SS
Parameter
Symbol
Value
Unit
V
DC Supply Voltage Range
V
DD
−0.5 to +18.0
G
= Pb−Free Package
Input or Output Voltage Range
(DC or Transient)
V , V
in out
−0.5 to V
+ 0.5
V
DD
ORDERING INFORMATION
Input or Output Current (DC or Transient)
per Pin
I , I
in out
10
mA
†
Device
Package
Shipping
Power Dissipation per Package (Note 1)
Ambient Temperature Range
P
500
mW
°C
D
MC14585BCP
PDIP−16
25 Units / Rail
25 Units / Rail
T
A
−55 to +125
−65 to +150
260
MC14585BCPG
PDIP−16
(Pb−Free)
Storage Temperature Range
T
stg
°C
Lead Temperature (8−Second Soldering)
T
°C
MC14585BD
SOIC−16
48 Units / Rail
48 Units / Rail
L
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”
MC14585BDG
SOIC−16
(Pb−Free)
MC14585BDR2
SOIC−16 2500/Tape & Reel
Packages: – 7.0 mW/_C From 65_C To 125_C
MC14585BDR2G SOIC−16
(Pb−Free)
2500/Tape & Reel
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
MC14585BFEL
SOEIAJ−16 2000/Tape & Reel
high−impedance circuit. For proper operation, V and V should be constrained
in
out
to the range V v (V or V ) v V
.
SS
in
out
DD
MC14585BFELG SOEIAJ−16 2000/Tape & Reel
(Pb−Free)
Unused inputs must always be tied to an appropriate logic voltage level
(e.g., either V or V ). Unused outputs must be left open.
SS
DD
†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.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
1
Publication Order Number:
June, 2006 − Rev. 6
MC14585B/D
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