DESCRIPTION

· The SN74VMEH22501 is an 8-bit universal bus transceiver with two integrated 1-bit three-wire bus transceivers, designed for 3.3-V VCC operation with 5-V tolerant inputs.

· It supports transparent, latched, and flip-flop modes of data transfer, providing a high-speed interface between LVTTL logic levels and VME64, VME64x, or VME320 backplane topologies.

FEATURES

· Member of the Texas Instruments Widebus™ family with enhanced ESD protection.

· UBT™ transceiver combines D-type latches and flip-flops for flexible operation modes.

· OEC™ circuitry improves signal integrity and reduces EMI.

· Compliant with VME64, 2eVME, and 2eSST protocols.

· Features a split LVTTL port with feedback for control and diagnostics monitoring.

· Supports live insertion with Ioff, Power-Up 3-State, and BIAS VCC.

· Includes bus hold on 3A-port data inputs and 26-Ω equivalent series resistor on 3A ports and Y outputs.

APPLICATIONS

· Ideal for interfacing between LVTTL logic levels and VME64, VME64x, or VME320 backplane topologies.

· Suitable for systems requiring robust signal integrity and reduced electromagnetic interference.

· Effective in applications needing live insertion capabilities and diagnostic monitoring.