74AVCH20T245DGGU datasheet, PDF

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74AVCH20T245DGGU: Description74AVCH20T245 - 20-bit dual supply translating transceiver with configurable voltage translation; 3-state TSSOP 56-Pin; Categorylogic logic; File Size309KB，23 Pages; ManufacturerNexperia; Websitehttps://www.nexperia.com

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74AVCH20T245DGGU Overview

74AVCH20T245 - 20-bit dual supply translating transceiver with configurable voltage translation; 3-state TSSOP 56-Pin

74AVCH20T245DGGU Parametric

Parameter Name	Attribute value
Brand Name	Nexperia
Parts packaging code	TSSOP
package instruction	6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56
Contacts	56
Manufacturer packaging code	SOT364-1
Base Number Matches	1

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74AVCH20T245

Rev. 6 — 14 January 2019

20-bit dual supply translating transceiver with configurable

voltage translation; 3-state

Product data sheet

1. General description

The 74AVCH20T245 is a 20-bit, dual supply transceiver that enables bi-directional voltage level

translation. The device can be used as two 10-bit transceivers or as a single 20-bit transceiver.

It features four 10-bit input-output ports (1An, 1Bn and 2An, 2Bn), two output enable inputs

(nOE), two direction inputs (nDIR) and dual supplies (V

CC(A)

and V

CC(B)

). V

CC(A)

and V

CC(B)

can

be independently supplied at any voltage between 0.8 V and 3.6 V making the device suitable for

bi-directional voltage level translation 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. The 1An and 2An ports, nOE and nDIR are referenced to V

CC(A)

, the 1Bn

and 2Bn ports are referenced to V

CC(B)

. A HIGH on a 1DIR allows transmission from 1An to 1Bn

and a LOW on 1DIR allows transmission from 1Bn to 1An. A HIGH on nOE causes the outputs to

assume a HIGH impedance OFF-state.

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, all output ports will

assume a high impedance OFF-state. The bus hold circuitry on the powered-up side always stays

active.

The 74AVCH20T245 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.

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

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-A114E Class 3B exceeds 8000 V

•

MM JESD22-A115-A exceeds 200 V

•

CDM JESD22-C101C exceeds 1000 V

•

74AVCH20T245DGGU Related Products

	74AVCH20T245DGGU	74AVCH20T245BX,518
Description	74AVCH20T245 - 20-bit dual supply translating transceiver with configurable voltage translation; 3-state TSSOP 56-Pin	74AVCH20T245 - 20-bit dual supply translating transceiver with configurable voltage translation; 3-state
Brand Name	Nexperia	Nexperia
package instruction	6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56	6 X 4 MM, 0.50 MM HEIGHT, PLASTIC, SOT1134-1, HXQFN-60
Contacts	56	QFN
Manufacturer packaging code	SOT364-1	SOT1134-2
Base Number Matches	1	1

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