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SN74AVC24T245 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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SN74AVC24T245 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 29 page 24-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation And 3- State Outputs 1 Features • Control Inputs VIH/VIL Levels Are Referenced 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 Allows Each Port to Operate Over 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 • Max Data Rates – 380 Mbps (1.8-V to 3.3-V Translation) – 200 Mbps (<1.8-V to 3.3-V Translation) – 200 Mbps (Translate to 2.5 V or 1.8 V) – 150 Mbps (Translate to 1.5 V) – 100 Mbps (Translate to 1.2 V) • 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) 2 Applications • Personal Electronics • Industrial • Enterprise • Telecom 3 Description This 24-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74AVC24T245 is optimized to operate with VCCA/ VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB 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 SN74AVC24T245 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 SN74AVC24T245 is designed so that the control pins (1DIR, 2DIR, 3DIR, 4DIR, 5DIR, 6DIR, 1 OE, 2 OE, 3 OE, 4 OE, 5 OE, and 6 OE) are supplied by VCCA. This device 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 VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high- impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCCA through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Device Information PART NUMBER PACKAGE(1) BODY SIZE (NOM) SN74AVC24T245GRG/ZRG LFBGA 10.00 mm × 4.50 mm SN74AVC24T245NMU nFBGA 10.00 mm × 4.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. To Three Other Channels 1DIR 1A1 1B1 1OE To Three Other Channels 2DIR 2A1 2B1 2OE P6 B6 P5 D6 A6 B1 A5 D1 To Three Other Channels 3DIR 3A1 3B1 3OE To Three Other Channels 4DIR 4A1 4B1 4OE P4 F6 P3 H6 A4 F1 A3 H1 To Three Other Channels 5DIR 5A1 5B1 5OE To Three Other Channels 6DIR 6A1 6B1 6OE P2 K6 P1 M6 A2 K1 A1 M1 Figure 3-1. Logic Diagram www.ti.com SN74AVC24T245 SCES552E – FEBRUARY 2004 – REVISED AUGUST 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 1 SN74AVC24T245 SCES552E – FEBRUARY 2004 – REVISED AUGUST 2020 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Số phần tương tự - SN74AVC24T245_V01 |
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Mô tả tương tự - SN74AVC24T245_V01 |
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