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74AVCH2T45

Dual-bit, dual-supply voltage level translator/transceiver; 3-state

The 74AVCH2T45 is a dual bit, dual supply transceiver that enables bidirectional level translation. It features two data input-output ports (nA and nB), a direction control input (DIR) and dual supply pins (VCC(A) and VCC(B)). Both VCC(A) and VCC(B) can be supplied at any voltage between 0.8 V and 3.6 V making the device suitable for translating between any of the low voltage nodes (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V). Pins nA and DIR are referenced to VCC(A) and pins nB are referenced to VCC(B). A HIGH on DIR allows transmission from nA to nB and a LOW on DIR allows transmission from nB to nA.

The device is fully specified for partial power-down applications using IOFF. The IOFF circuitry disables the output, preventing any damaging backflow current through the device when it is powered down. In suspend mode when either VCC(A) or VCC(B) are at GND level, both A and B are in the high-impedance OFF-state.

The 74AVCH2T45 has active bus hold circuitry which is provided to hold unused or floating data inputs at a valid logic level. This feature eliminates the need for external pull-up or pull-down resistors.

Features and benefits

  • Wide supply voltage range: 0.8 V to 3.6 V for VCC(A) and VCC(B)

  • High noise immunity

  • Suspend mode

  • Bus hold on data inputs

  • Inputs accept voltages up to 3.6 V

  • Low noise overshoot and undershoot < 10 % of VCC

  • IOFF circuitry provides partial Power-down mode operation

  • Maximum data rates:

    • 500 Mbps (1.8 V to 3.3 V translation)

    • 320 Mbps (< 1.8 V to 3.3 V translation)

    • 320 Mbps (translate to 2.5 V or 1.8 V)

    • 280 Mbps (translate to 1.5 V)

    • 240 Mbps (translate to 1.2 V)

  • Latch-up performance exceeds 100 mA per JESD 78 Class II

  • Complies with JEDEC standards:

    • JESD8-12 (0.8 V to 1.3 V)

    • JESD8-11 (0.9 V to 1.65 V)

    • JESD8-7 (1.2 V to 1.95 V)

    • JESD8-5 (1.8 V to 2.7 V)

    • JESD8-B (2.7 V to 3.6 V)

  • ESD protection:

    • HBM: ANSI/ESDA/Jedec JS-001 Class 3B exceeds 8000 V

    • CDM: ANSI/ESDA/Jedec JS-002 Class C3 exceeds 1000 V

  • Multiple package options

  • Specified from -40 °C to +85 °C and -40 °C to +125 °C

Parametrics

Type numberProduct statusVCC(A) (V)VCC(B) (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74AVCH2T45DCProduction0.8 - 3.60.8 - 3.6CMOS/LVTTL± 122.12very low-40~12520535.3115VSSOP8
74AVCH2T45GNProduction0.8 - 3.60.8 - 3.6CMOS/LVTTL± 122.12very low-40~12524211.4151XSON8
74AVCH2T45GSProduction0.8 - 3.60.8 - 3.6CMOS/LVTTL± 122.12very low-40~12528011.5149XSON8
74AVCH2T45GTProduction0.8 - 3.60.8 - 3.6CMOS/LVTTL± 122.12very low-40~1253336.5161XSON8

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74AVCH2T45DC
VSSOP8
(SOT765-1)
SOT765-1SOT765-1_125ActiveK4574AVCH2T45DC,125
( 9352 837 21125 )
74AVCH2T45GN
XSON8
(SOT1116)
SOT1116REFLOW_BG-BD-1
SOT1116_115ActiveK574AVCH2T45GN,115
( 9352 922 33115 )
74AVCH2T45GS
XSON8
(SOT1203)
SOT1203REFLOW_BG-BD-1
SOT1203_115ActiveK574AVCH2T45GS,115
( 9352 927 94115 )
74AVCH2T45GT
XSON8
(SOT833-1)
SOT833-1SOT833-1_115ActiveK4574AVCH2T45GT,115
( 9352 837 22115 )

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
74AVCH2T45DC74AVCH2T45DC,12574AVCH2T45DCAlways Pb-free
74AVCH2T45GN74AVCH2T45GN,11574AVCH2T45GNAlways Pb-free
74AVCH2T45GS74AVCH2T45GS,11574AVCH2T45GSAlways Pb-free
74AVCH2T45GT74AVCH2T45GT,11574AVCH2T45GTAlways Pb-free
Quality and reliability disclaimer

Documentation (14)

File nameTitleTypeDate
74AVCH2T45Dual-bit, dual-supply voltage level translator/transceiver; 3-stateData sheet2022-12-07
AN10161PicoGate Logic footprintsApplication note2002-10-29
Nexperia_document_guide_Logic_translatorsNexperia Logic TranslatorsBrochure2021-04-12
avch2t4574AVCH2T45 Ibis modelIBIS model2014-10-14
Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
MAR_SOT1203MAR_SOT1203 TopmarkTop marking2013-06-03
SOT1203plastic, leadless extremely thin small outline package; 8 terminals; 0.35 mm pitch; 1.35 mm x 1 mm x 0.35 mm bodyPackage information2022-06-03
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06
MAR_SOT833MAR_SOT833 TopmarkTop marking2013-06-03
SOT833-1plastic, leadless extremely thin small outline package; 8 terminals; 0.5 mm pitch; 1 mm x 1.95 mm x 0.5 mm bodyPackage information2022-06-03
SOT765-1plastic, very thin shrink small outline package; 8 leads; 0.5 mm pitch; 2 mm x 2.3 mm x 1 mm bodyPackage information2022-06-03
MAR_SOT1116MAR_SOT1116 TopmarkTop marking2013-06-03
SOT1116plastic, leadless extremely thin small outline package; 8 terminals; 0.3 mm pitch; 1.2 mm x 1 mm x 0.35 mm bodyPackage information2022-06-02
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06

Support

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Models

File nameTitleTypeDate
avch2t4574AVCH2T45 Ibis modelIBIS model2014-10-14

Ordering, pricing & availability

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