CD4063BMS| Datasheet

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CD4063BMS
December 1992

CMOS 4-Bit Magnitude Comparator
Pinout
CD4063BMS TOP VIEW

Features
High Voltage Type (20V Rating) Expansion to 8, 12, 16 . . . 4N Bits by Cascading Units Medium Speed Operation - Compares Two 4-Bit Words in 250ns (Typ.) at 10V 100% Tested for Quiescent Current at 20V Standardized Symmetrical Output Characteristics 5V, 10V and 15V Parametric Ratings Maximum Input Current of 1uA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC Noise Margin (Full Package Temperature Range) - 1V at VDD = 5V - 2V at VDD = 10V - 2.5V at VDD = 15V Meets All Requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of `B' Series CMOS Devices"

B3 (A < B) IN (A = B) IN (A > B) IN (A > B) OUT (A = B) OUT (A < B) OUT VSS

1 2 3 4 5 6 7 8

16 VDD 15 A3 14 B2 13 A2 12 A1 11 B1 10 A0 9 B0

Functional Diagram
4 WORD A

Applications
Servo Motor Controls Process Controllers

A>B CASCADING INPUTS A=B A

A>B A=B A

Description
CD4063BMS is a 4-bit magnitude comparator designed for use in computer and logic applications that require the comparison of two 4-bit words. This logic circuit determines whether one 4-bit word (Binary or BCD) is "less than", "equal to", or "greater than" a second 4-bit word. The CD4063BMS has eight comparing inputs (A3, B3, through A0, B0), three outputs (A < B, A = B, A > B) and three cascading inputs (A < B, A = B, A > B) that permit systems designers to expand the comparator function to 8, 12, 16 . . . 4N bits. When a single CD4063BMS is used, the cascading inputs are connected as follows: (A < B) = low, (A = B) = high, (A > B) = low. For words longer than 4 bits, CD4063BMS devices may be cascaded by connecting the outputs of the less significant comparator to the corresponding cascading inputs of the more significant comparator. Cascading inputs (A < B, A = B, and A > B) on the least significant comparator are connected to a low, a high, and a low level, respectively. The CD4063BMS is supplied in these
16 lead outline packages: Braze Seal DIP Frit Seal DIP Ceramic Flatpack H4T H1E H6W

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Copyright Intersil Corporation 1999

File Number

3318

7-958

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CD4063BMS DATASHEET