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74AXP8T245 Fiches technique (PDF) - Nexperia B.V. All rights reserved

74AXP8T245 Datasheet PDF - Nexperia B.V. All rights reserved
No de pièce 74AXP8T245
Télécharger  74AXP8T245 Télécharger

Taille du fichier   325.87 Kbytes
Page   27 Pages
Fabricant  NEXPERIA [Nexperia B.V. All rights reserved]
Site Internet  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved
Description 8-bit dual supply translating transceiver; 3-state

74AXP8T245 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
74AXP8T245 Datasheet PDF - Nexperia B.V. All rights reserved

No de pièce 74AXP8T245
Télécharger  74AXP8T245 Click to download

Taille du fichier   325.87 Kbytes
Page   27 Pages
Fabricant  NEXPERIA [Nexperia B.V. All rights reserved]
Site Internet  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved
Description 8-bit dual supply translating transceiver; 3-state

74AXP8T245 Fiches technique (HTML) - Nexperia B.V. All rights reserved

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74AXP8T245 Détails du produit

1. General description
The 74AXP8T245 is an 8-bit dual supply translating transceiver with 3-state outputs that enable
bidirectional level translation. It features two data input-output ports (pins An and Bn), a direction
control input (DIR), an output enable input (OE) 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 An, OE and DIR are referenced to VCC(A) and pins Bn are referenced to VCC(B). A HIGH on
DIR allows transmission from An to Bn and a LOW on DIR allows transmission from Bn to An. The
output enable input (OE) can be used to disable the outputs so the buses are effectively isolated.
The devices are 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 An and Bn
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 = 1.5 pF (typical)
• Low output capacitance; CO = 3.8 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




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