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74AXP2T45 Fiches technique(PDF) 1 Page - Nexperia B.V. All rights reserved

No de pièce 74AXP2T45
Description  2-bit dual supply translating transceiver; 3-state
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Fabricant  NEXPERIA [Nexperia B.V. All rights reserved]
Site Internet  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved

74AXP2T45 Fiches technique(HTML) 1 Page - Nexperia B.V. All rights reserved

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74AXP2T45
2-bit dual supply translating transceiver; 3-state
Rev. 2 — 23 June 2022
Product data sheet
1. General description
The 74AXP2T45 is a 2-bit, dual supply transceiver with 3-state outputs that enables bidirectional
level translation. It features two 2-bit 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 0.9 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). No power supply sequencing is
required and output glitches during power supply transitions are prevented using patented circuitry.
As a result glitches will not appear on the outputs for supply transitions during power-up/down
between 20 mV/μs and 5.5 V/s. Pins A and DIR are referenced to VCC(A) and pin B is referenced
to VCC(B). A HIGH on DIR allows transmission from A to B and a LOW on DIR allows transmission
from B to A.
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.
2. Features and benefits
• 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 = 1.4 pF (typical)
• Low output capacitance; CO = 4.4 pF (typical)
• Low dynamic power consumption; CPD = 11 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


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