DS21T06 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS21T06

SCSI Terminator

Dallas Semiconductor -> Maxim Integrated 

DS21T06

PIN DESCRIPTION Table 1

PIN

1

2-6, 10-13,

16-19, 23-27

7-9, 20-22

14

15

28

SYMBOL

PD

R1…R13

R14…R18

HS-GND

TPWR

VREF

GND

DESCRIPTION

Power Down. When tied low, the DS21T06 enters power-down mode.

Contains an internal 50 kΩ pull-up. Tie low to deactivate the DS21T06.

Tie high or leave open circuited to activate the DS21T06.

Signal Termination 1. 110 ohms termination. Connect to SCSI bus

signal lines.

Heat Sink Ground. Internally connected to the mounting pad. Should

be either grounded or electrically isolated from other circuitry.

Termination Power. Connect to the SCSI TERMPWR line. Bypass

with a 2.2 µF cap.

Reference Voltage. 2.85 volt reference; must be decoupled with a 4.7

µF capacitor.

Ground. Signal ground; 0.0 volts.

4 of 6

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