74AXP4T245

4-bit dual supply translating transceiver; 3-state

The 74AXP4T245 is an 4-bit dual supply translating transceiver with 3-state outputs that enable bidirectional level translation. The device can be used as two 2-bit transceivers or as a 4-bit transceiver. It features four 2-bit input-output ports (nAn and nBn), a direction control input (nDIR), a output enable input (nOE) and dual supply pins (VCC(A) and VCC(B)). Both VCC(A) and VCC(B) can be supplied at any voltage between 0.9 V and 5.5 V making the device suitable for translating between any of the low voltage nodes (0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V). Pins nAn, nOE and nDIR are referenced to VCC(A) and pins nBn are referenced to VCC(B). A HIGH on nDIR allows transmission from nAn to nBn and a LOW on nDIR allows transmission from nBn to nAn. The output enable input (nOE) can be used to disable the outputs so the buses are effectively isolated.

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 nAn and nBn are in the high-impedance OFF-state.

Features

  • Wide supply voltage range:
    • VCC(A): 0.9 V to 5.5 V
    • VCC(B): 0.9 V to 5.5 V
  • Low input capacitance; CI = 1.2 pF (typical)
  • Low output capacitance; CO = 3.6 pF (typical)
  • Low dynamic power consumption; CPD = 10 pF (typical)
  • Low static power consumption; ICC = 2 μA (25 °C maximum)
  • High noise immunity
  • Complies with JEDEC standard:
    • JESD8-12 (1.1 V to 1.3 V; inputs)
    • JESD8-11 (1.4 V to 1.6 V)
    • JESD8-7 (1.65 V to 1.95 V)
    • JESD8-5 (2.3 V to 2.7 V)
    • JESD8C (2.7 V to 3.6 V)
    • JESD12-6 (4.5 V to 5.5 V)
  • ESD protection:
    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2 kV
    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1 kV
  • Latch-up performance exceeds 100 mA per JESD78D Class II
  • Inputs accept voltages up to 5.5 V
  • Low noise overshoot and undershoot < 10% of VCCO
  • IOFF circuitry provides partial power-down mode operation
  • Specified from -40 °C to +125 °C

Parametrics

Type numberProduct statusVCC(A) (V)VCC(B) (V)Logic switching levelsOutput drive capabilitytpd (ns)No of bitsPower dissipation considerationsTamb (°C)Package name
74AXP4T245BQProduction0.9 - 5.50.9 - 5.5CMOS± 129.14low-40~125DHVQFN16
74AXP4T245PWProduction0.9 - 5.50.9 - 5.5CMOS± 129.14low-40~125TSSOP16

Package

Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74AXP4T245BQ
DHVQFN16
(SOT763-1)
SOT763-1Reel 7" Q1/T1ActiveStandard Marking74AXP4T245BQX
( 9356 907 04115 )
74AXP4T245PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveStandard Marking74AXP4T245PWJ
( 9356 907 03118 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
74AXP4T245BQ74AXP4T245BQX74AXP4T245BQweek 25, 201911
74AXP4T245PW74AXP4T245PWJ74AXP4T245PWweek 25, 201911
Quality and reliability disclaimer

Documentation (9)

File nameTitleTypeDate
74AXP4T2454-bit dual supply translating transceiver; 3-stateData sheet2019-06-24
SOT763-1_115DHVQFN16; Reel pack, SMD, 7" Q1/T1 standard product orientation Orderable part number ending ,115 or X Ordering code (12NC) ending 115Packing2016-07-05
SOT763-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm bodyOutline drawing2018-11-14
SOT403-1_623TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 623 or HL; Ordering code (12NC) ending 623Packing2013-05-15
SOT403-1_118TSSOP16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packing2013-04-08
SOT403-1_128TSSOP16; Reel pack; SMD, 13", Turned Q4/T2 180 deg product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128Packing2014-10-14
SOT403-1_653TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 653 or HL; Ordering code (12NC) ending 653Packing2013-05-15
SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.1 mm bodyOutline drawing2018-11-14
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08

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