DS21T06 Dallas Semiconducotr, DS21T06 Datasheet - Page 4

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DS21T06

Manufacturer Part Number
DS21T06
Description
SCSI Terminator
Manufacturer
Dallas Semiconducotr
Datasheet
PIN DESCRIPTION Table 1
16-19, 23-27
2-6, 10-13,
7-9, 20-22
PIN
14
15
28
1
SYMBOL
R14…R18
R1…R13
HS-GND
TPWR
VREF
GND
PD
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
DESCRIPTION

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