Product Summary

The DS2108S SCSI Terminator has been specifically designed for High Voltage Differential (HVD) SCSI systems requiring switchable termination. The DS2108S integrates eighteen 330-ohm and nine 150-ohm precise switched termination resistors into a monolithic IC. The surface mount SOIC package saves board space over conventional resistor SIPs. The termination resistors can be isolated from the SCSI bus under software or hardware control. While in the powered down mode, the DS2108S isolates the nine terminator blocks from the bus while adding only 6 pF capacitance to each signal line of the SCSI bus.

Parametrics

DS2108S absolute maximum ratings: (1)Voltage on Any Pin Relative to Ground: -7.0V to +12.0V; (2)Operating Temperature: 0℃ to 70℃; (3)Storage Temperature: -55℃ to +125℃; (4)Soldering Temperature: 260℃ for 10 seconds.

Features

DS2108S features: (1)Fully compliant with SCSI, SCSI-2 and SCSI-3 standards; (2)Conforms to EIA RS-485 standard; (3)Provides differential termination for 9 pairs of signal lines; (4)Operates with SCSI signal voltages of -7 to +12 Volts; (5)Laser-trimmed 330 and 150-ohm termination resistors have ±5% tolerance over full temperature range; (6)Switchable power-down mode; (7)Low power down capacitance of 6 pF; (8)24-pin plastic SOIC (DS2108S).

Diagrams

DS2108S block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS2108S
DS2108S


IC TERM SCSI DIFF/SWITCH 24-SOIC

Data Sheet

Negotiable 
DS2108S/T&R
DS2108S/T&R

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable 
DS2108S/T&R/C02
DS2108S/T&R/C02

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable 
DS2108S/T&R/C03
DS2108S/T&R/C03

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable 
DS2108S/T&R+C02
DS2108S/T&R+C02

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable 
DS2108S+
DS2108S+

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable 
DS2108S+T&R
DS2108S+T&R

Maxim Integrated Products

SCSI Interface IC

Data Sheet

Negotiable