UCC5640PW24TR ,9 Line 2.7-5V LVD Terminator for Ultra2 through Ultra320 SCSI SLUS314C − JANUARY 2000 − REVISED JUNE 2003APPLICATION INFORMATIONAll SCSI buses require a ..
UCC5640PW-28 , Low Voltage Differential LVD SCSI 9 Line Terminator
UCC5640PW-28 , Low Voltage Differential LVD SCSI 9 Line Terminator
UCC5672MWP ,9 Line 2.7-5V Multimode Terminator for SCSI through Ultra320 with SPI-3 Mode Change DelayMAXIMUM RATINGSAVAILABLE OPTIONSTRMPWR Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . ..
UCC5672PWP ,9 Line 2.7-5V Multimode Terminator for SCSI through Ultra320 with SPI-3 Mode Change DelayUCC5672Multimode (LVD/SE) SCSI 9 Line Terminator
UCC5672PWPG4 ,9 Line 2.7-5V Multimode Terminator for SCSI through Ultra320 with SPI-3 Mode Change Delay 28-TSSOP 0 to 70FEATURES DESCRIPTION• Auto Selection Multi-Mode Single The UCC5672 Multi-Mode Low Voltage Different ..
UPB8286C ,8 BIT BUS TRANSCEIVERSPin Configurations
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Pin Functions
E (Output Enable)
This active low input ..
UPB8287 ,8 BIT BUS TRANSCEIVERSNEC
. uP38286 gr ST
NEC Electronics Inc. 8-BIT BUS TRANSCEIVERS
Description Pin Identlflcatlon ..
UPB8287C ,8 BIT BUS TRANSCEIVERSPin Configurations
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Pin Functions
E (Output Enable)
This active low input ..
UPC1023H ,30-40V; 3.5-6mA; direct coupled 2-stage amplifier with common emitter output stageElectrical Characteristics Outline
I - (V) I 2.222222 1
I I ITa=25° c Vcc 7v " lkHz FIL= 22km I
..
UPC1042C ,30V; 100mA; 800mW; switching regulator conrtol circuitPin Configuration
+ lnpul A I 1
- InpulA I 2
Compensation 2
Compensation 3 I 4
" I Compens ..
UPC1043C ,Motor Control Circuit Silicon Monolithic Bipolar Integrated CircuitFEATURES
. Operating at wide range supply voltage.
(Vcc =9 to 28 V)
0 Available for wide range ..
UCC5640PW24TR
9-Line 3-5V LVD Terminator for Ultra2 and Ultra3 SCSI
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SLUS314C − JANUARY 2000 − REVISED JUNE 2003
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FEATURES First LVD only Active Terminator Meets SCSI SPI-2 Ultra2 (Fast-40), SPI-3 Ultra3
/ Ultra160 (Fast-80) and SPI-4 (Fast-160)
Ultra320 Standards 2.7-V to 5.25-V Operation Differential Failsafe Bias
DESCRIPTIONThe UCC5640 is an active terminator for low voltage
differential (LVD) SCSI networks. This LVD only design
allows the user to reach peak bus performance while
reducing system cost. The device is designed as an
active Y-terminator to improve the frequency response
of the LVD bus. Designed with a 1.5-pF channel
capacitance, the UCC5640 allows for minimal bus
loading for a maximum number of peripherals. With the
UCC5640, the designer will be able to comply with the
Fast-40 SPI-2, Fast-80 SPI-3 and Fast-160 SPI-4
specifications. The UCC5640 also provides a much
needed system migration path for ever improving SCSI
system standards. This device is available in the 24-pin
TSSOP and 28-pin TSSOP for ease of layout use.
The UCC5640 is not designed for use in single ended
(SE) or high voltage differential (HVD) systems.
BLOCK DIAGRAMUDG−98181DISCNCT LVD*
REGDIFFB L1− L1+ L9− L9+
56mV
SOURCE/SINK REGULATOR
1.3V + 0.1V
0.7V > 0.5V
2.4V > 1.9V
EVEN WITH POWER OFF
SINGLE
ENDED
HIGH POWER
DIFFERENTIAL DIFSENS
SOURCE 5− 15mA
SINK 200µA MAXIMUM (NOISE LOAD)
OPEN CIRCUIT ON POWER OFF
OR OPEN CIRCUIT IN A
10µATRMPWR
GND
2.7V to 5.25V
+ −
+ −
56mV
*28 pin package only
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
