Datenblatt-Suchmaschine für elektronische Bauteile |
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74VMEH22501DGGRG4 Datenblatt(PDF) 1 Page - Texas Instruments |
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74VMEH22501DGGRG4 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 31 page SN74VMEH22501 www.ti.com SCES357F – JULY 2001 – REVISED FEBRUARY 2010 8-BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1-BIT BUS TRANSCEIVERS WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3-STATE OUTPUTS Check for Samples: SN74VMEH22501 1 FEATURES • Member of the Texas Instruments Widebus™ • ESD Protection Exceeds JESD 22 Family – 2000-V Human-Body Model (A114-A) • UBT™ Transceiver Combines D-Type Latches – 200-V Machine Model (A115-A) and D-Type Flip-Flops for Operation in – 1000-V Charged-Device Model (C101) Transparent, Latched, or Clocked Modes DGG OR DGV PACKAGE • OEC™ Circuitry Improves Signal Integrity and (TOP VIEW) Reduces Electromagnetic Interference (EMI) • Compliant With VME64, 2eVME, and 2eSST Protocol • Bus Transceiver Split LVTTL Port Provides a Feedback Path for Control and Diagnostics Monitoring • I/O Interfaces Are 5-V Tolerant • B-Port Outputs (–48 mA/64 mA) • Y and A-Port Outputs (–12 mA/12 mA) • Ioff, Power-Up 3-State, and BIAS VCC Support Live Insertion • Bus Hold on 3A-Port Data Inputs • 26- Ω Equivalent Series Resistor on 3A Ports and Y Outputs • Flow-Through Architecture Facilitates Printed Circuit Board Layout • Distributed VCC and GND Pins Minimize High-Speed Switching Noise • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II DESCRIPTION/ORDERING INFORMATION The SN74VMEH22501 8-bit universal bus transceiver has two integral 1-bit three-wire bus transceivers and is designed for 3.3-V VCC operation with 5-V tolerant inputs. The UBT™ transceiver allows transparent, latched, and flip-flop modes of data transfer, and the separate LVTTL input and outputs on the bus transceivers provide a feedback path for control and diagnostics monitoring. This device provides a high-speed interface between cards operating at LVTTL logic levels and VME64, VME64x, or VME320(1) backplane topologies. (1) VME320 is a patented backplane construction by Arizona Digital, Inc. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2001–2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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