CD4063B-MIL (ACTIVE) 4-Bit Magnitude Comparator

DESCRIPTION

CD4063B 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 CD4063B 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 CD4063B is used, the cascading inputs are connected as follows: (A < B) = low, (A = B) = high, (A > B) = low.

For words longer than 4 bits, CD4063B 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 CD4063B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes). This device is pin-compatible with the standard 7485 TTL type.

Expansion to 8, 12, 16…4N bits by cascading units
Medium-speed operation:
compares two 4-bit words in 250 ns (typ.) at 10 V
100% tested for quiescent current at 20 V
Standardized symmetrical output characteristics
5-V, 10-V, and 15-V parametric ratings
Maximum input current of 1 µA at 18 V over full package temperature range; 100 nA at 18 V and 25°C
Noise margin (full package temperature range) =
1 V at VDD = 5 V
2 V at VDD = 10 V
2.5 V at VDD = 15 V
Meets all requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ’B’ Series CMOS Devices”

Applications
Servo motor controls
Process controllers

Technology Family
VCC (Min) (V)
VCC (Max) (V)
Bits (#)
ICC @ Nom Voltage (Max) (mA)
tpd @ Nom Voltage (Max) (ns)
Output Drive (IOL/IOH) (Max) (mA)
Input Type
Output Type
Rating
Operating Temperature Range (C)
Pin/Package

CD4063B-MIL
CD4000
3
18
4
0.3
500
4/-4
CMOS
CMOS
Military
-55 to 125
16CDIP