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參數(shù)資料
| 型號(hào)： | S21S07ACTR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SCSI TERMINATOR |
| 中文描述： | SCSI端接 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 177K |
| 代理商： | S21S07ACTR |
1/10
February 2001
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FULLY COMPLIANT WITH SCSI, SCSI-2
AND EMERGING SCSI-E STANDARDS
PROVIDES ACTIVE TERMINATION FOR
NINE SIGNAL LINES
LOW DROPOUT (0.5V) VREGS:2.85V
FACTORY TRIMMED TERMINATION 110
(
±
2%)
POWER DOWN MODE ISOLATES
TERMINATION RESISTORS FROM THE
BUS
FULLY SUPPORTS ACTIVELY NEGATED
SCSI SIGNALS
COMPATIBLE TO THE DS2107, DS2107A
AND DS21S07
ONBOARD THERMAL SHUTDOWN
CIRCUITRY
AVAILABLE IN SO-16L AND TSSOP20
SCSI BUS HOT PLUG-COMPATIBLE
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DESCRIPTION
The SCSI-2 and SCSI-3 standards recommend
the use of active terminations at both ends of
every cable segment in a SCSI system with a
single-ended
drivers
ST21S07A SCSI terminator, which is fully
and
reveivers.
The
compliant with these standands, enables the
designer to gain the benefits of active termination:
greater immunity to voltages drop on the
TERMPWR
(TERMination
enhanced high level noise immunity, intrinsic
TERMPWR decouplig, and very low quiescent
current consumption.
The ST21S07A integrates a regulator and nine
precise switched 110
termination resistors into a
monolithic IC. The ST21S07A can be electrically
isolatesd from the SCSI bus without physical
removal from the SCSI device.
PoWeR)
line,
ORDERING CODES
(*) Available on request
Type
Temperature Range
Package
Comments
ST21S07ACW
ST21S07ACWR
S21S07ACTR (*)
0 to 70 °C
0 to 70 °C
0 to 70 °C
SO-16L (Tube)
SO-16L (Tape & Reel)
TSSOP20 (Tape & Reel)
49parts per tube / 25tube per box
1000 parts per reel
2500 parts per reel
ST21S07A
SCSI TERMINATOR
SOP
TSSOP
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