CD22101 Datasheet, PDF (7/13 Pages) Harris Corporation – CMOS 4 x 4 x 2 Crosspoint Switch with Control Memory

FUNCTION
A
Switch ON
1
Switch OFF
1
No Change
X
1 = High Level
CD22101, CD22102
CONTROL TRUTH TABLE FOR CD22101
ADDRESS
B
C
D
1
1
1
1
1
1
X
X
X
0 = Low Level
STROBE DATA
SELECT
1
1
15 (X4Y4) and 15’ (X4’Y4’)
1
0
15 (X4Y4) and 15’ (X4’Y4’)
0
X
XXXX
X = Don’t Care
CONTROL TRUTH TABLE FOR CD22102
ADDRESS
FUNCTION
A
B
C
D
K_A
Switch ON
1
1
1
1
1
K_B
SELECT
0
15 (X4Y4) and 15’ (X4’Y4’)
Switch OFF
1
1
1
1
0
1
15 (X4Y4) and 15’ (X4’Y4’)
All Switches
X
X
X
X
1
1
All
OFF (Note 5)
No Change
X
X
X
X
0
0
XXXX
1 = High Level
0 = Low Level
X = Don’t Care
NOTE:
5. In the event that K_A and K_B are changed from levels 1, 1 to 0, 0 K_B should not be allowed to go to 0 before K_A,
otherwise a switch which was off will inadvertently be turned on.
Metallization Mask Layout
Dimensions in parenthesis are in millimeters and are derived
from the basic inch dimensions as indicated. Grid graduations
are in mils (10^-3 inch).
4-199