74AVCH24T245GRGR Selling Leads, Price trend, 74AVCH24T245GRGR DataSheet download, circuit diagram from SeekIC.com

Features: ` Control Inputs VIH/VIL Levels AreReferenced to VCCA Voltage` VCC Isolation Feature − If Either VCC Input Is at GND, All Outputs Are in the High-Impedance State` Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications` Fully Configurable Dual-Rail Design A...

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SeekIC No. : 004249575 Detail

74AVCH24T245GRGR: Features: ` Control Inputs VIH/VIL Levels AreReferenced to VCCA Voltage` VCC Isolation Feature − If Either VCC Input Is at GND, All Outputs Are in the High-Impedance State` Overvoltage-Toleran...

74AVCH24T245GRGR Data Sheet

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Part Number:: 74AVCH24T245GRGR
Supply Ability:: 5000

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Product Details

Description

Features:

` Control Inputs V_IH/V_IL Levels AreReferenced to V_CCA Voltage
` V_CC Isolation Feature − If Either V_CC Input Is at GND, All Outputs Are in the High-Impedance State
` Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
` Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range
` Ioff Supports Partial-Power-Down Mode Operation
` I/Os Are 4.6-V Tolerant
` Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
` Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
` ESD Protection Exceeds JESD 22
    − 8000-V Human-Body Model (A114-A)
    − 200-V Machine Model (A115-A)
    − 1000-V Charged-Device Model (C101)

Pinout

Connection Diagram

Specifications

Supply voltage range, V_CCA and V_{CCB..........................................................} −0.5 V to 4.6 V
Input voltage range, V_I (see Note 1): I/O ports (A port) ..............................−0.5 V to 4.6 V
                                                            I/O ports (B port).............................. −0.5 V to 4.6 V
                                                            Control inputs ...................................−0.5 V to 4.6 V
Voltage range applied to any output in the high-impedance or power-off state, V_O
    (see Note 1): A port ..................................................................................−0.5 V to 4.6 V
                          B port ..................................................................................−0.5 V to 4.6 V
Voltage range applied to any output in the high or low state, V_O
   (see Notes 1 and 2): A port ............................................................−0.5 V to V_CCA + 0.5 V
                                     B port............................................................ −0.5 V to V_CCB + 0.5 V
Input clamp current, I_IK (V_I < 0) ................................................................................−50 mA
Output clamp current, I_OK (V_O< 0) ............................................................................−50 mA
Continuous output current, I_O ...................................................................................±50 mA
Continuous current through each V_CCA, V_CCB, and GND ..........................................±100 mA
Package thermal impedance, _JA (see Note 3): GRG/ZRG package ..............................50/W
Storage temperature range, T_stg .....................................................................−65 to 150

† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the
   device.  These are stress ratings only, and functional operation of the device at these or any other
   conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure
   to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. The input voltage and output negative-voltage ratings may be exceeded if the input and output
                 current ratings are observed.
             2. The output positive-voltage rating may be exceeded up to 4.6 V maximum if the output current rating
                  is observed.
             3. The package thermal impedance is calculated in accordance with JESD 51-7.

Description

This 24-bit noninverting bus transceiver of the 74AVCH24T245GRGR uses two separate configurable power-supply rails. The SN74AVCH24T245 is optimized to operate with V_CCA/V_CCB set at 1.4 V to 3.6 V. It is operational with V_CCA/V_CCB as low as 1.2 V. The A port is designed to track V_CCA. V_CCAaccepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V_CCB. V_CCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The 74AVCH24T245GRGR is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are effectively isolated.

The 74AVCH24T245GRGR is designed so that the control pins (1DIR, 2DIR, 3DIR, 4DIR, 5DIR, 6DIR, 1OE, 2OE, 3OE, 4OE, 5OE, and 6OE) are supplied by V_CCA.

The 74AVCH24T245GRGR is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The V_CC isolation feature of the 74AVCH24T245GRGR ensures that if either V_CC input is at GND, then both ports are in the high-impedance state.

Active bus-hold circuitry of the 74AVCH24T245GRGR holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

To ensure the high-impedance state of the 74AVCH24T245GRGR during power up or power down, OE should be tied to V_CCA through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

74AVCH24T245GRGR

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