GTL2002GM

2-bit bidirectional low voltage translator


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The Gunning Transceiver Logic - Transceiver Voltage Clamps (GTL-TVC) provide high-speed voltage translation with low ON-state resistance and minimal propagation delay. The GTL2002 provides 2 NMOS pass transistors (Sn and Dn) with a common gate (GREF) and a reference transistor (SREF and DREF). The device allows bidirectional voltage translations between 1.0 V and 5.0 V without use of a direction pin.

When the Sn or Dn port is LOW the clamp is in the ON-state and a low resistance connection exists between the Sn and Dn ports. Assuming the higher voltage is on the Dn port, when the Dn port is HIGH, the voltage on the Sn port is limited to the voltage set by the reference transistor (SREF). When the Sn port is HIGH, the Dn port is pulled to VCC by the pull-up resistors. This functionality allows a seamless translation between higher and lower voltages selected by the user, without the need for directional control.

All transistors have the same electrical characteristics and there is minimal deviation from one output to another in voltage or propagation delay. This is a benefit over discrete transistor voltage translation solutions, since the fabrication of the transistors is symmetrical. Because all transistors in the device are identical, SREF and DREF can be located on any of the other two matched Sn/Dn transistors, allowing for easier board layout. The translator's transistors provide excellent ESD protection to lower voltage devices and at the same time protect less ESD-resistant devices.

Features and benefits

  • 2-bit bidirectional low voltage translator
  • Allows voltage level translation between 1.0 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5 V buses, which allows direct interface with GTL, GTL+, LVTTL/TTL and 5 V CMOS levels
  • Provides bidirectional voltage translation with no direction pin
  • Low 6.5 Ω ON-state resistance (Ron) between input and output pins (Sn/Dn)
  • Supports hot insertion
  • No power supply required; will not latch up
  • 5 V tolerant inputs
  • Low standby current
  • Flow-through pinout for ease of printed-circuit board trace routing
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
  • Packages offered: SO8, TSSOP8 (MSOP8), VSSOP8, XQFN8U

Applications

  • Any application that requires bidirectional or unidirectional voltage level translation from any voltage between 1.0 V and 5.0 V to any voltage between 1.0 V and 5.0 V
  • The open-drain construction with no direction pin is ideal for bidirectional low voltage (e.g., 1.0 V, 1.2 V, 1.5 V, or 1.8 V) processor I²C-bus port translation to the normal 3.3 V or 5.0 V I²C-bus signal levels or GTL/GTL+ translation to LVTTL/TTL signal levels.
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: GTL2002D, GTL2002DC, GTL2002DP, GTL2002GM
Block diagram: GTL2002D, GTL2002DC, GTL2002DP, GTL2002GM

Parametrics of this product

Type numberPackageNumber of bitsApplicationVoltage Translation Range(V)FunctionOperating Temperature(Cel)
GTL2002GMSOT902-2
(XQFN8)		2Voltage Translation1.0 to 5.0 ~ 1.0 to 5.0Open Drain Voltage Translation-40~85

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
GTL2002GMGTL2002GM,1259352 831 13125Volume productionSOT902-2
(XQFN8) 		Reel Pack, Reverse, ReverseStandard Marking

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT902-2XQFN8Plastic extremely thin quad flat package; no leads; 8 terminals- - - (EIAJ); MO-255 (JEDEC); - - - (IEC); 2011-03-31

Related documents

Reflow soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
GTL2002GMGTL2002GM,125GTL2002GMAlways Pb-free3.03.333333333333333E811
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Documentation for this product

File nameTitleTypeFormatDate
GTL20022-bit bidirectional low voltage translatorData sheetpdf2009-07-02
AN10441Level shifting techniques in I2C-bus designApplication notepdf2007-06-20
AN10216I2C manualApplication notepdf2003-03-27
AN10145AN10145 Bi-directional low voltage translatorsApplication notepdf2004-08-11
AN11127Bidirectional voltage level translators NVT2001/02/03/04/06/08/10, PCA9306, GTL2000/02/03/10Application notepdf2012-04-17
design_con_2003_tecforum_i2c_bus_overviewDesignCon 2003 TecForum I 2 C Bus OverviewOther typepdf2003-01-27
UM10204I2C-bus specification and user manualUser manualpdf2007-06-26
UM10206I2C Demonstration Board 2005-1 Quick Start GuideUser manualpdf2006-06-13
UM10204_JAI2C-bus specification and user manualUser manualpdf2013-04-03

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
GTL2002GM9352 831 13125GTL2002GM,125NADIGI-KEY CORPORATION4,8835/22/2013Buy online 
   ASIAWPI4,000400005/22/2013Buy online 
   NAMOUSER ELECTRONICS2,9105/22/2013Buy online 
   JAPANCHIP ONE STOP2005/22/2013Buy online 
   JAPANCHIP ONE STOP1005/22/2013Buy online 

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