74AVC2T45_15 datasheet, PDF - EEWORLD Datasheet

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74AVC2T45_15: DescriptionDual-bit, dual-supply voltage level translator/transceiver; 3-state; File Size263KB，28 Pages; ManufacturerNXP; Websitehttps://www.nxp.com

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74AVC2T45_15 Overview

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

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74AVC2T45

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

3-state

Rev. 7 — 8 February 2013

Product data sheet

1. General description

The 74AVC2T45 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 (V

CC(A)

and V

CC(B)

). Both V

CC(A)

and V

CC(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 V

CC(A)

and pins nB are referenced to V

CC(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 I

OFF

. The I

OFF

circuitry disables the output, preventing any damaging backflow current through the

device when it is powered down. In Suspend mode when either V

CC(A)

or V

CC(B)

are at

GND level, both A and B are in the high-impedance OFF-state.

2. Features and benefits



Wide supply voltage range:



CC(A)

: 0.8 V to 3.6 V



CC(B)

: 0.8 V to 3.6 V



High noise immunity



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 JESD22-A114F Class 3B exceeds 8000 V



MM JESD22-A115-A exceeds 200 V



CDM JESD22-C101C exceeds 1000 V



Maximum data rates:



500 Mbit/s (1.8 V to 3.3 V translation)



320 Mbit/s (<1.8 V to 3.3 V translation)



320 Mbit/s (translate to 2.5 V or 1.8 V)



280 Mbit/s (translate to 1.5 V)



240 Mbit/s (translate to 1.2 V)



Suspend mode



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

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