UC5602NTR

更新时间： 2024-11-08 03:24:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
6页	364K
描述
SCSI Active Terminator

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数据手册

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UC5602NTR 数据手册

UC5602

SCSI Active Terminator

FEATURES

DESCRIPTION

The UC5602 is a pin compatible version of its predecessor, the UC5601,

and is targeted for high volume applications which require active termina-

tion, but not the high performance of the UC5601. The major differences

are relaxed output current and termination tolerances, and the absence of

low side clamps.

•

Complies with SCSI, SCSI-2

Standards

•

10pF Channel Capacitance During

Disconnect

•

Active Termination for 18 Lines

The UC5602 provides 18 lines of active termination for a SCSI (Small

Computer Systems Interface) parallel bus. The SCSI-2 standard recom-

mends active termination at both ends of the cable segment, and SCSI-3

will make it a requirement.

Logic Command Disconnects all

Termination Lines

•

Low Supply Current in Disconnect

Mode

The UC5602 provides a disconnect feature which, when opened or driven

high, will disconnect all terminating resistors, and disables the regulator;

greatly reducing standby power. The output channels remain high imped-

ance even without Termpwr applied.

Trimmed Regulator for Accurate

Termination Current

Current Limit and Thermal

Shutdown Protection

Internal circuit trimming is utilized, first to trim the impedance to a 7% toler-

ance; and then most importantly, to trim the output current 7% tolerance,

as close to the max SCSI as possible, which maximizes noise margin in

fast SCSI operation.

•

110 Ohm Termination

Meets SCSI Hot Plugging

Other features include thermal shutdown, current limit, and 40mA of active

negation sink current capability.

This device is offered in low thermal resistance versions of the industry

standard 28 pin wide body SOIC and PLCC, as well as a 24 pin DIL plastic

package.

BLOCK DIAGRAM

UDG-94052

Circuit Design Patented

10/94

12 3 4 5 6

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与UC5602NTR相关器件

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UC5602QP	TI	获取价格	SCSI Active Terminator
UC5602QPTR	TI	获取价格	SCSI Active Terminator
UC5603	TI	获取价格	9-Line SCSI Active Terminator
UC5603DP	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603DPG4	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603DPR	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603DPRTR	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603DPTR	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603DPTRG4	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
UC5603J	TI	获取价格	9-LINE SCSI ACTIVE TERMINATOR