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M3493B2
CMOS 12 X 8 CROSSPOINT WITH CONTROL MEMORY
M3493B2June 1998
CMOS 12 X 8 CROSSPOINT WITH CONTROL MEMORYLOW ON RESISTANCE
(typ. 60 Ω at VDD = 10 V).INTERNAL CONTROL LATCHES.ANALOG SIGNAL SWING CAPABILITY EQUAL
TO POWER SUPPLY VOLTAGE APPLIED.LESS THAN 1 % TOTAL DISTORT. AT 0 dBm.LESS THAN – 95 dB CROSS-TALK
AT 1 KHz 1 VPP.VERY LOW POWER CONSUMPTION.PIN-TO-PIN COMPATIBLE WITH M093
DESCRIPTIONThe M3493 contains a 12 x 8 array of crosspoint to-
gether with a 7 to 96 line decoder and latch circuits.
Anyone of the 96 switches can be addressed by se-
lecting the appropriate 7 input bits. The selected
switch can be turned on or off by applying a logical
one or zero to the data in and the strobe input at logi-
cal one. A reset signal can be used to turn off all the
switches together when is switched at logical one.
M3493 is available in 40 lead dual in-line plastic
package.
BLOCK DIAGRAM1/12
INPUT/OUTPUT DESCRIPTIONPOWER
ADDRESS
CONTROL
DATA
PIN CONNECTION (top view)
M3493B22/12
ABSOLUTE MAXIMUM RATINGS
TRUTH TABLE
RECOMMENDED OPERATING CONDITIONS
M3493B23/12
STATIC ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70oC, VDD = 10V, unless otherwise specified
CROSSPOINT
CONTROLS
DYNAMIC ELECTRICAL CHARACTERISTICS(Tamb = 25oC, CL = 50pF all input square wave rise and fall times = 10ns, VDD = 10V)
CROSSPOINT
CONTROLS (tr, tf = 10ns)
M3493B24/12
TEST CIRCUITSFigure 1 : RON Measurement.Figure 2 : Propagation Delay Time and Wave-
forms (signal input to signal output
switch ON).
Figure 3 : Off Isolation Measurement (Feed through).
M3493B25/12
