M3493B1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M3493B1' PDF : 12 Pages View PDF
®
M3493B2
CMOS 12 X 8 CROSSPOINT WITH CONTROL MEMORY
. LOW ON RESISTANCE
(typ. 60 Ω at VDD = 10 V)
. INTERNAL CONTROL LATCHES
. ANALOGSIGNALSWING CAPABILITYEQUAL
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
DIP40
DESCRIPTION
The M3493 contains a 12 x 8 array of crosspoint to-
gether with a 7 to 96 line decoder and latch circuits.
Anyoneof 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
oneor zero to the data in and the strobeinputat logi-
ORDERING NUMBER : M3493B2 (*)
(*) It substitutes the obsolete M3493B1.
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 DIAGRAM
June 1998
1/12
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