M22100

September 1988

4 X 4 CROSSPOINT SWITCH WITH CONTROL MEMORY

EY

(Plastic Package)

ORDER CODES :

M22100 B1

M22100 F1

F

(Ceramic Package)

FUNCTIONAL DIAGRAM

.

LOW ON RESISTANCE – 75

Ω TYP. AT

.

”BUILT-IN” CONTROL LATCHES

.

LARGE ANALOG SIGNAL CAPABILITY

.

TRANSMITS SIGNALS UP TO 10 MHz

.

MATCHED SWITCH CHARACTERISTICS

.

HIGH LINEARITY : – 0.5 % DISTORTION (typ.)

Ω

.

STANDARD COS/MOS NOISE IMMUNITY

.

100 % TESTED FOR QUIESCENT CURRENT

The M22100 combines a 4 x 4 array of crosspoints

(transmission gates) with a 4-line-to-16-line decoder

and 16 latch circuits. Any one of the sixteen trans-

mission gates (crosspoints) can be selected by ap-

plying the appropriate four line address. The

selected transmission gate can be turned on or off

by applying a logical one or zero, respectively, to the

data input and strobing the strobe input to a logical

one. Any number of the transmission gates can be

ON simultaneously.

When the required operating power is applied to the

22100, the states of the 16 switches are indetermi-

nate.

Therefore, all switches must be turned off by putting

the strobe high and data-in-low, and then address-

ing all switches in succession.

DESCRIPTION

TRUTH TABLE

Address

Select

Address

Select

AB

CD

A

B

C

D

0000

X1 Y1

000

1

X1 Y3

1000

X2 Y1

100

1

X2 Y3

0100

X3 Y1

010

1

X3 Y3

1100

X4 Y1

110

1

X4 Y3

0010

X1 Y2

001

1

X1 Y4

1010

X2 Y2

101

1

X2 Y4

0110

X3 Y2

011

1

X3 Y4

1110

X4 Y2

111

1

X4 Y4

PIN CONNECTIONS

1/13