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IDT74CBTLV3257 fiches techniques PDF

Integrated Device Tech - LOW-VOLTAGE QUAD 2:1MUX/DEMUX BUS SWITCH

Numéro de référence IDT74CBTLV3257
Description LOW-VOLTAGE QUAD 2:1MUX/DEMUX BUS SWITCH
Fabricant Integrated Device Tech 
Logo Integrated Device Tech 





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IDT74CBTLV3257 fiche technique
IDT74CBTLV3257
LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH
LOW-VOLTAGE
QUAD 2:1MUX/DEMUX
BUS SWITCH
INDUSTRIALTEMPERATURERANGE
IDT74CBTLV3257
FEATURES:
Functionally equivalent to QS3257
5Switch Connection between Two Ports
Isolation Under Power-Off Conditions
Over-voltage tolerant
Latch-up performance exceeds 100ma
VCC = 2.3V - 3.6V, normal range
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
Available in SSOP, QSOP, and TSSOP packages
APPLICATIONS:
3.3V High Speed Bus Switching, Multiplexing, and Bus Isolation
DESCRIPTION:
The CBTLV3257 is a quad 2:1 multiplexer/demultiplexer. The low on-
state resistance of the switch allows connections to be made with minimal
propagation delay.
The select (S) input controls the data flow. The multiplexers/demultiplexers
are enabled when the output-enable (OE) input is low.
To ensure the high-impedance state during power up or power down,
OE should be tied to VCC through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking capability of the driver.
FUNCTIONAL BLOCK DIAGRAM
1A SW
SW
2A SW
SW
3A SW
SW
4A SW
SW
SIMPLIFIED SCHEMATIC, EACH
SWITCH
1B1
1B2
2B1
A
2B2
B
3B1
3B2
4B1
FROM ENABLE
4B2 CIRCUITRY
S
OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2001 Integrated Device Technology, Inc.
1
SEPTEMBER 2001
DSC-5744/1

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