HP 5340A - Five-Bit Comparator 1820-0706; Low-Power Quad Two-Input Multiplexer 1820-0710

Model 5340A
Theory of Operation
ENABLE
Figure 4 - 29. Five - Bit Comparator 1820 - 0706
SELECT
INPUT
INPUTS OUTPUT
13121110 9 3 4 5 6 7
-
E
H
L
'L/
*L
'I!
I
9324
SO IOY I1Y ZY
X X X L
H X L L
H X H H
L L X L
L H X H
15 2 14
Vcc = Pin 16
GND= Pin 8
Enable (Active LOW) Input
Word
A Parallel Inputs
Word
B Parallel Inputs
A Less Than B Output (Note bl
A Greater Than B Output (Note b)
A Equal to B Output (Note b)
TRUTH TABLE
Word A
= Word B
L Word A > Word B
H
L Word E > Word A
H L L
H = HIGH Voltage Level
L
= LOW Voltage Level
X = Either HIGH or LOW Voltage Level
Figure 4 - 30. Low - Power Quad Two - Input Multiplexer 1820 - 0710
15 10 11 13 14 6 5 3 2
93L22
llsoz; z[ zi I
9 12 7 4
Vcc =Pin 16
GND = Pin 8
Common Select Input
PIN NAMES
SO Enable (Active Low) Input
Multiplexers Inputs
10,Il Multiplexer Output
z
E
TRUTH TABLE
Identical for Each Multiplexer
= HIGH voltage level
X = Level does not affect output
Y = a. b, c. d
L = LOW voltage level
i
4 - 22