Explanation

UCC5622 is a parallel bus of SCSI (small computer system interface). SCSI standards are recommended to use active terminals at both ends of the cable.

UCC5622 is an ideal choice for high -performance 5V SCSI systems. During the disconnection of the connection, the power current is often only 100 Weire, which makes the IC of the low -power system has a traction.

UCC5622 has a split disconnection device, allowing users to use a disconnect device 1 DISCNCT1 to control the terminal line 10 to 27, and use the disconnected device 2 DISCNCT2 control terminal line 1 to 9.

UCC5622 adopts a 2.5PF low -channel capacitor design, which eliminates the effect of disconnecting the terminal on the signal integrity at the interior of the interior point on the bus.

The power amplifier output level allows UCC5622 to generate a full terminal current and absorb active negative currents when all terminal lines are actively denied.

Like all monocular terminals, UCC5622 is completely hot and plugged, in VTRMPWR 0V or opening.

Fine use of internal circuits, first fine-tuning 110Ω impedance, and the most important thing, adjust the output current to the maximum value SCSI-3 specification, it operates at fast -20 SCSI.

Absolutely maximum rated value

TRMPWR voltage. +7 volt signal line voltage. 0V to+7V regulator output current. 1.5A Storage temperature.

65 ° C to+150 ° C-knot temperature. 55 ° C to+150 ° C-lead temperature (welding, 10 seconds). +300 degrees Celsius current positive electrode, negative output specified in the Terminal.ConsultPackaging part for the data manual for thermal simulation and considering the software package

Tube Foot Instructions

Discussion 1: Break off a control terminal line 10–27. Set the pin to high level or keep it open, which will cause the terminal line 10-27 to become high impedance. Set the pin to the low level to allow the channel to provide normal terminals.

Discussion 2: Break the two control terminal line 1–9. Raising this pin or keeping it open will cause the terminal line 1-9 to become high impedance. Set this pin as a low allowed channel to provide normal terminals. Raising both disconnecting feet or keeping it open will enable the chip to enter the dormant mode. At this time, the chip will be in a low power consumption mode.

ground: ground reference of integrated circuit.

L1 to L27: 110Ω terminal channel.

Rules: Internal 2.7V regulator output.

TRMPWR: The power of the integrated circuit

Use EUCC5622's typical WideCSIBUSCONFIGUTION

Important notice

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