IDT74CBTLV3257 Integrated Device Technology, IDT74CBTLV3257 Datasheet

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IDT74CBTLV3257

Manufacturer Part Number
IDT74CBTLV3257
Description
Low-voltage Quad 2 1mux/demux Bus Switch
Manufacturer
Integrated Device Technology
Datasheet

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Part Number:
IDT74CBTLV3257PG
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© 2006 Integrated Device Technology, Inc.
FEATURES:
• Functionally equivalent to QS3257
• 5Ω Ω Ω Ω Ω 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;
• Available in QSOP and TSSOP packages
APPLICATIONS:
• 3.3V High Speed Bus Switching, Multiplexing, and Bus Isolation
FUNCTIONAL BLOCK DIAGRAM
OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1A
4A
S
IDT74CBTLV3257
LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH
2A
3A
> 200V using machine model (C = 200pF, R = 0)
CC
= 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
SIMPLIFIED SCHEMATIC, EACH
SWITCH
DESCRIPTION:
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
JUNE 2006
B
DSC-5744/4

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IDT74CBTLV3257 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. SIMPLIFIED SCHEMATIC, EACH SWITCH 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 JUNE 2006 B DSC-5744/4 ...

Page 2

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH PIN CONFIGURATION S 1 1B1 2 1B2 2B1 5 6 2B2 7 2A GND 8 QSOP / TSSOP TOP VIEW OPERATING CHARACTERISTICS, T 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 ...

Page 3

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Operating Conditions –40°C to +85°C A Symbol Parameter V Control Inputs, Data Inputs IK I Control Inputs I I Data I OFF I CC ΔI (2) Control Inputs CC C Control Inputs ...

Page 4

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS (1) Symbol V = 3.3V±0. LOAD 1 300 LZ V 300 OUT (1, 2) Pulse D.U.T. Generator R T Test Circuits for All Outputs DEFINITIONS Load capacitance: includes jig and probe capacitance. ...

Page 5

... IDT74CBTLV3257 LOW-VOLTAGE QUAD 2:1 MUX/DEMUX BUS SWITCH ORDERING INFORMATION CBTLV XXX IDT XX Temp. Range Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 XX Package PGG 3257 74 for SALES: 800-345-7015 or 408-284-8200 fax: 408-284-2775 www.idt.com 5 INDUSTRIAL TEMPERATURE RANGE Quarter-Size Small Outline Package ...

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