Texas Instruments SN74AVC2T45DCTT Manual


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Side 1/32
B1
DIR 5
7
A1 2
VCCA VCCB
B2
6
A2 3
18
VCCA VCCB
GND4
VCCA VCCB
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An IMPORTANT NOTICE at the end o f this data sheet addresses avail ability, warr anty, changes, use in safet y-critic al applications,
inte llectual property matters and other important disclaimers. P RODUCTI ON DATA.
SN74AVC2T45
SCES531L DECEMBER 2003 REVISED MAY 2017
SN74AVC2T45 2-Bit, Dual Sup ply, Bus Transceiver
With Congurable Level-S hifting and T ran slation
1
1 Features
1 Available in the Texas Instruments NanoFree
Package
VCC Isolation Feature: If Either VCC Input Is at
GND, Both Ports Are in the High-Impedance State
Dual Supply Rail Design
I/Os Are 4.6-V Over Voltage Tolerant
Io Supports Partial-Power-Down Mode Operation
Max Data Rates
500 Mbps (1.8 V to 3.3 V)
320 Mbps (<1.8 V to 3.3 V )
320 Mbps (Level-Shifting to 2.5 V or 1.8 V)
280 Mbps (Level-Shifting to 1.5 V)
240 Mbps (Level-Shifting to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
2 Applications
Smartphones
Servers
Desktop PCs and Notebooks
Other Portable Devices
3 Description
This 2-bit non-inverting bus transceiver uses two
separate congurable power-supply rails. The A ports
are designed to t rack VCCA and accepts any supply
voltage from 1.2 V to 3.6 V. The B ports are designed
to track VCCB and accepts any supply voltage from
1.2 V to 3.6 V. This allows for universal low-voltage
bidirectional translation and level-shifting between
any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V
voltage nodes.
The SN74AVC2T45 is designed for asynchronous
communication between two data buses. The logic
levels of the direction-control (DIR pin) i nput activate
either the B-port outputs or the A-port outputs. The
device transmits data f rom the A bus to the B bus
when the B-port outputs are acti vated and from the B
bus to the A bus when the A-port outputs are
activated. The input circuitry on both A and B ports
always is activ e and must have a logic HIGH or LOW
level applied to prevent excess leakage current on
the internal CMOS str ucture.
Device Information(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
SN74AVC2T45DCT SM8 (8) 2.95 mm × 2.80 mm
SN74AVC2T45DCU VSSOP (8) 2.30 mm × 2.00 mm
SN74AVC2T45YZP DSBGA ( 8) 1.89 mm × 0.89 mm
(1) For all avail able packages, see th e orderabl e adde ndum at
the end of the data shee t.
Logic Diagram (Positive Logic)
(1) Pin numbers are f or the DCT and DCU package s only.


Produkt Specifikationer

Mærke: Texas Instruments
Kategori: Ikke kategoriseret
Model: SN74AVC2T45DCTT
Type: Logisk kredsløb
Bredde: 3.15 mm
Dybde: 2.9 mm
Højde: 1.2 mm
Antal pr. pakke: 250 stk
Pakkedybde: 182 mm
Pakkebredde: 182 mm
Pakkehøjde: 20 mm
Opbevaringstemperatur (T-T): -65 - 150 °C
Driftstemperatur (T-T): -40 - 85 °C
Pakketype: SOP
Antal stifter: 8
Bredde (med stifter): 3.15 mm
Højde (med stifter): 1.3 mm
Dybde (med stifter): 4.25 mm

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