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MFG:25  Package Cooled:MOT  

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Part Number: MC14585B

 

MFG: 25

Package Cooled: MOT

 

Description: The MC14585B 4Bit Magnitude Comparator is constructed with complementary MOS (CMOS) enhancement mode devices. The circu...


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MC14585B General Description


The MC14585B 4Bit 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 4bit 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 4bits, 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.

MC14585B Maximum Ratings

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
Tstg Storage Temperature Range 65 to +150
TL Lead Temperature(8Second Soldering) 260

MC14585B Typical Application

* Diode Protection on All Inputs
* Expandable
* Applicable to Binary or 8421BCD Code
* Supply Voltage Range = 3.0 Vdc to 18 Vdc
* Capable of Driving Two Lowpower TTL Loads or One Lowpower Schottky TTL Load over the Rated Temperature Range
* Can be Cascaded See Fig. 3

MC14585B Connection Diagram

MC14585B Connection Diagram

MC14585B datasheet

MC14585B
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