74CBTLV3257 Integrated Device Technology, Inc., 74CBTLV3257 Datasheet

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74CBTLV3257

Manufacturer Part Number
74CBTLV3257
Description
Low-voltage Quad 2:1 Mux/demux Bus Switch
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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

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74CBTLV3257 Summary of contents

Page 1

... To ensure the high-impedance state during power up or power down, OE should be tied to V the resistor is determined by the current-sinking capability of the driver. 1B1 1B2 SW 2B1 2B2 SW 3B1 3B2 SW 4B1 SW 4B2 1 INDUSTRIAL TEMPERATURE RANGE IDT74CBTLV3257 through a pullup resistor; the minimum value FROM ENABLE CIRCUITRY B DSC-5744/1 ...

Page 2

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH S 1 1B1 2 1B2 3 SO16 SO16-9 2B1 5 SO16-10 6 2B2 7 2A GND 8 QSOP/ SSOP/ TSSOP TOP VIEW Symbol Parameter V Supply Voltage CC V High-Level Control Input Voltage IH V Low-Level Control Input Voltage IL T Operating Free-Air Temperature A NOTE: 1 ...

Page 3

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH Following Conditions Apply Unless Otherwise Specified: Operating Condition – 40°C to +85°C A Symbol Parameter V Control Inputs, Data I Control Inputs, Data I Data I OFF (2) Control Inputs CC C Control Inputs port IO(OFF) ...

Page 4

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH Symbol V (1) = 3.3V ± 0. LOAD 1 300 LZ V 300 OUT (1, 2) Pulse D.U.T. Generator R T DEFINITIONS Load capacitance: includes jig and load capacitance Termination resistance: should be equal generator ...

Page 5

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH XXX IDT XX CBTLV Temp. Range Device Type CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 XX Package 3257 74 for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com 5 INDUSTRIAL TEMPERATURE RANGE Quarter-Size Small Outline Package (SO16-7) Shrink Small Outline Package (SO16-9) ...

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