參數(shù)資料
型號(hào): DS21S07AS+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 1/8頁
文件大小: 0K
描述: IC TERMINATOR SCSI 16-SOIC
標(biāo)準(zhǔn)包裝: 1,000
類型: SCSI,LVD,SE
端子數(shù): 9
電源電壓: 4 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 帶卷 (TR)
1 of 5
REV: 022106
GENERAL DESCRIPTION
Fast SCSI and Ultra SCSI require the use of active
terminations at both ends of every cable segment in a
SCSI system with single-ended drivers and receivers.
The DS21S07A SCSI terminator, which is fully
compliant with these standards, enables the designer
to gain the benefits of active termination: greater
immunity to voltage drops on the TERMPWR
(TERMination PoWeR) line, enhanced high-level
noise immunity, intrinsic TERMPWR decoupling,
and very low quiescent current consumption. The
DS21S07A integrates a regulator and nine precise
switched
110
termination resistors into a
monolithic IC. The DS21S07A can be electrically
isolated from the SCSI bus without physical removal
from the SCSI device.
FEATURES
Fully Compliant with SCSI-1, Fast SCSI, and
Ultra SCSI
Backward Compatible to the DS2107 and
DS2107A
Provides Active Termination for Nine Signal
Lines
Laser-Trimmed 110
Termination Resistors
Have 2% Tolerance
Low Drop-Out Voltage Regulator
Power-Down Mode Isolates Termination
Resistors from the Bus
SCSI Bus Hot Plug Compatible
Fully Supports Actively Negated SCSI Signals
On-Board Thermal Shutdown Circuitry
16-Pin Plastic SO (DS21S07AS) and 20-Pin
Plastic TSSOP (Thin Shrink Small Outline
Package) (DS21S07AE)
PIN CONFIGURATIONS
ACTUAL FOOTPRINT SIZE
ORDERING INFORMATION
PART
VOLTAGE
(V)
PIN-
PACKAGE
TOP
MARK
DS21S07AS
5
16SO
DS21T07S
DS21S07AS+
5
16SO
DS21T07S
DS21S07AS/T&R
5
16SO
DS21T07S
DS21S07AS+T&R
5
16SO
DS21T07S
DS21S07AE
5
20TSSOP
DS21T07E
DS21S07AE/T&R
5
20TSSOP
DS21T07E
+ Denotes lead-free package. The top mark includes a “+" on
lead-free packages.
Note: All devices are specified over the 0°C to +70°C operating
temperature range.
DS21S07A
SCSI Terminator
www.maxim-ic.com
0.41"
0.26"
0.27"
DS21S07AS
DS21S07AE
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