器件名称: 74VMEH22501DGVRE4
功能描述: 8-BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1-BIT BUS TRANSCEIVERS WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3-STATE OUTPUTS
文件大小: 569.22KB 共31页
简 介: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
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FEATURES
Member of the Texas Instruments Widebus Family UBT Transceiver Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, or Clocked Modes OEC Circuitry Improves Signal Integrity and 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- 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 ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101)
DGG OR DGV PACKAGE (TOP VIEW)
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, latche……
