M3493B2 SGS-Thomson-Microelectronics, M3493B2 Datasheet

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M3493B2

Manufacturer Part Number
M3493B2
Description
CMOS 12X8 CROSSPOINT WITH CONTROL MEMORY
Manufacturer
SGS-Thomson-Microelectronics
Datasheet

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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-
BLOCK DIAGRAM
June 1998
LOW ON RESISTANCE
(typ. 60
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 V
VERY LOW POWER CONSUMPTION
PIN-TO-PIN COMPATIBLE WITH M093
CMOS 12 X 8 CROSSPOINT WITH CONTROL MEMORY
at V
PP
DD
= 10 V)
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.
(*) It substitutes the obsolete M3493B1.
ORDERING NUMBER : M3493B2 (*)
DIP40
M3493B2
1/12

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M3493B2 Summary of contents

Page 1

... BLOCK DIAGRAM June 1998 M3493B2 DIP40 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 ...

Page 2

... M3493B2 PIN CONNECTION (top view) INPUT/OUTPUT DESCRIPTION I/O Symbol Pin POWER Positive Power Supply Negative Power Supply SS ADDRESS I AX0-AX3 Address Lines. These 4 pins are used to select one of the 12 rows of switches. Refer to the truth table for legal address. ...

Page 3

... Parameter Parameter M3493B2 Connections AY2 connection 0 No connection X10 - Y0 0 X11 - Y0 ...

Page 4

... M3493B2 STATIC ELECTRICAL CHARACTERISTICS (T Symbol Parameter I Supply Current S CROSSPOINT On Resistance On Resistance Variation Off-leakage * CONTROLS Input Leakage * * The device is guaranteed with such limits these limits become DYNAMIC ELECTRICAL CHARACTERISTICS 50pF all input square wave rise and fall times = 10ns, V ...

Page 5

... TEST CIRCUITS Figure Measurement. ON Figure 3 : Off Isolation Measurement (Feed through). Figure 2 : Propagation Delay Time and Wave- forms (signal input to signal output switch ON). M3493B2 5/12 ...

Page 6

... M3493B2 Figure 4 : Crosstalk Measurements. Figure 5 : PropagationDelay Time and Waveforms (strobe to signal output switch Turn-ON or Turn-OFF). Figure 6 : PropagationDelay Time and Waveforms (data-in signal output, switch Turn-ON to high or low level). 6/12 ...

Page 7

... Figure 7 : PropagationDelay Time and Waveforms (address to signal output switch Turn-ON or Turn-OFF). Figure 8 : Waveforms for Crosstalk (control input to signal output). M3493B2 7/12 ...

Page 8

... M3493B2 Figure 9 : PropagationDelay Time and Waveforms (reset to output delay). Figure 10 : PropagationDelay Time and Waveforms (Strobe and C/S to signal output switch). 8/12 ...

Page 9

... Figure 11 : Typical R versus Figure 12 : Peak to Peak Voltage Capability versus Total Harmonic Distortion. Figure Capability versus V RMS . DD M3493B2 9/12 ...

Page 10

... M3493B2 TYPICAL APPLICATIONS The figures 14, 15 and 16 show the system configuration for expanded matrices ( 32). Figure non blocking matrix). Figure matrix). Figure non blocking matrix). 10/12 ...

Page 11

... DIP40 PACKAGE MECHANICAL DATA mm DIM. MIN TYP a1 0.63 b 0.45 b1 0. 15.2 e 2.54 e3 48. 4.445 L MAX MIN 0.31 0.009 52.58 16.68 0.598 14.1 3.3 M3493B2 inch TYP MAX 0.025 0.018 0.012 0.050 2.070 0.657 0.100 1.900 0.555 0.175 0.130 11/12 ...

Page 12

... M3493B2 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the conse- quences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice ...

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