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Fairchild NC7SB3257 TinyLogic General Description Manual

Tinylogic uhs 2:1 multiplexer/demultiplexer bus switch
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NC7SB3257
TinyLogic
UHS
2:1 Multiplexer/Demultiplexer Bus Switch

General Description

The NC7SB3257 is a high performance, 2:1 NMOS pass-
gate multiplexer/demultiplexer from Fairchild's Ultra High
Speed Series of TinyLogic . The device is fabricated with
advanced sub-micron CMOS technology to achieve high
speed enable and disable times and low On Resistance.
The device is specified to operate over the 4.0 to 5.5V V
operating range. The control input tolerates voltages up to
5.5V independent of the V
operating range.
CC
Ordering Code:
Order
Package
Number
Number
NC7SB3257P6X
MAA06A
NC7SB3257L6X
MAC06A
TinyLogic
and MicroPak
are trademarks of Fairchild Semiconductor Corporation.
© 2002 Fairchild Semiconductor Corporation
Features
CC
Product Code
Package Description
Top Mark
B7B
6-Lead SC70, EIAJ SC88, 1.25mm Wide
B7
6-Lead MicroPak, 1.0mm Wide
DS500325
January 2000
Revised April 2002
Space saving SC70 6-lead surface mount package
Ultra small MicroPak
leadless package
Typical 3 switch resistance @ 5.0V V
Minimal propagation delay through the switch
Power down high impedance control input
Zero bounce in flow through mode
TTL compatible control input
Overvoltage tolerance of control input to 7.0V
Break before make enable circuitry
3k Units on Tape and Reel
5k Units on Tape and Reel
CC
Supplied As
www.fairchildsemi.com

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Summary of Contents for Fairchild NC7SB3257 TinyLogic

  • Page 1: General Description

    General Description Features The NC7SB3257 is a high performance, 2:1 NMOS pass- Space saving SC70 6-lead surface mount package gate multiplexer/demultiplexer from Fairchild’s Ultra High Ultra small MicroPak leadless package Speed Series of TinyLogic . The device is fabricated with Typical 3 switch resistance @ 5.0V V...

  • Page 2: Connection Diagrams

    Logic Symbol Connection Diagrams Pin Assignments for SC70 Pin Descriptions Pin Names Description (Top View) A, B Data Ports Control Input Pin One Orientation Diagram Function Table Input (S) Function Connected to A Connected to A HIGH Logic Level LOW Logic Level Product Code Top Mark - see ordering code Note: Orientation of Top Mark determines Pin One location.

  • Page 3: Absolute Maximum Ratings

    Power Dissipation (P ) @ 85 C 180 mW ables. Fairchild does not recommend operation outside datasheet specifi- cations. Note 2: Control input must be held HIGH or LOW, it must not float. Note 3: The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed.

  • Page 4: Ac Electrical Characteristics

    AC Electrical Characteristics 40 C to 85 C Symbol Parameter 50 pF, RU RD 500 Units Conditions Figure Number Propagation Delay Bus to Bus 0.25 Figures OPEN 1, 2 (Note 6) Output Enable Time 7V for t Figures 1, 2 0V for t Output Disable Time 7V for t...
  • Page 5 AC Loading and Waveforms Note: Input Driven by 50 source terminated in 50 Note: C includes load and stray capacitance Note: Input PRR 1.0 MHz; t 500 ns FIGURE 1. AC Test Circuit Input AC Waveform; Variable; Duty Cycle FIGURE 2. AC Waveforms FIGURE 3.
  • Page 6 Tape and Reel Specification TAPE FORMAT for SC70 Package Tape Number Cavity Cover Tape Designator Section Cavities Status Status Leader (Start End) 125 (typ) Empty Sealed Carrier 3000 Filled Sealed Trailer (Hub End) 75 (typ) Empty Sealed TAPE DIMENSIONS inches (millimeters) Tape Size DIM A DIM B...
  • Page 7 Tape and Reel Specification (Continued) TAPE FORMAT for MicroPak Package Tape Number Cavity Cover Tape Designator Section Cavities Status Status Leader (Start End) 125 (typ) Empty Sealed Carrier 5000 Filled Sealed Trailer (Hub End) 75 (typ) Empty Sealed REEL DIMENSIONS inches (millimeters) Tape Size 0.059...

  • Page 8: Physical Dimensions

    Physical Dimensions inches (millimeters) unless otherwise noted 6-Lead SC70, EIAJ SC88, 1.25mm Wide Package Number MAA06A www.fairchildsemi.com...

  • Page 9: Life Support Policy

    6-Lead MicroPak, 1.0mm Wide Package Number MAC06A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.

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