SIP5678CS-TR-E3 Vishay, SIP5678CS-TR-E3 Datasheet

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SIP5678CS-TR-E3

Manufacturer Part Number
SIP5678CS-TR-E3
Description
IC SCSI 15-LINE TERM SQFP
Manufacturer
Vishay
Type
SCSI Terminationr
Datasheets

Specifications of SIP5678CS-TR-E3

Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.25V
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SIP5678CS-TR-E3
Manufacturer:
Vishay Siliconix
Quantity:
10 000
DESCRIPTION
The SiP5678 provides active bus termination suitable for all
SCSI bus operational modes from SCSI-1 through SPI-4
(ultra SCSI 320). The termination includes impedance
matching of the Ultra SCSI bus to minimize signal reflections
from the end of the bus, as well as required SCSI bus biasing
for either S/E (single ended) or LVD (low voltage differential)
operation.
The SiP5678 has fifteen (15) output channels (T1-T15).
Each output channel provides termination for one SCSI data
signal, parity signal or control signal. Two SiP5678 ICs
provide complete termination for a wide SCSI bus.
An integrated mode change delay filter in the SiP5678
eliminates the need for a bulky 4.7 µF low pass filter
capacitor to be compliant with SPI-3 mode change timing
requirements.
The SiP5678 senses the operational state of the SCSI bus
via the DIFFSENS bus signal, and automatically switches to
S/E or LVD operation as required. It cannot be used on an
HPD (high power differential) SCSI bus, and goes into high
impedance mode when the voltage on the DIFFSENS line
indicates HPD operation. The SiP5678 also presents high
impedance to the SCSI bus if the DISABLE pin is asserted,
or if TERMPWR is removed from the IC.
The SiP5678 is available in a lead (Pb)-free SQFP-48
package for operation over the temperature range of 0 °C to
70 °C.
FUNCTIONAL BLOCK DIAGRAM
Document Number: 73100
S09-1456-Rev. B, 03-Aug-09
DISABLE
MODE
34
36
GND
27
10 µA
4
0.7 < V < 1.9 = LVD
Comparators
Delay Filter
Mode Control And
Enable/Disable
V > 2.4 = HPD
Heat Sink GND Pins
and
V < 0.5 = S/E
9
Circuitry
15-Line SCSI Bus Terminators
28
33
TERMPWR
Current Limited
3
Source/Sink
Regulator
REG
10
FEATURES
APPLICATIONS
• Auto selection of S/E or LVD SCSI termination
• 2.7 V to 5.25 V TERMPWR range
• Meets SCSI-1, SCSI-2, SPI-2 (ULTRA-2), SPI-3
• Integrated SPI-3 mode change delay filter
• Differential failsafe bias
• Thermal package
• On-chip thermal shutdown circuit
• Active negation
• Hot swap compatible
• Pin compatible with UCC5638
• SQFP-48 package
• Disk array (RAID)
• Storage area networks (SAN)
• Network attached storage (NAS)
• SCSI cable
• Server and workstation
• Industrial computers
• High-end personal computers
(ULTRA-160) and SPI-4 (ULTRA-320) standards
Impedance
Terminator
1.3 V
Circuits
SCSI
Current Limited
Source/Sink
Regulator
35
48
47
2
1
DIFFS
T1N
T1P
T15N
T15P
See
(Page 6) for detailed
descriptions of SCSI Terminator
Impedance Circuits in LVD and
S/E modes of operation.
Functional Diagrams
Vishay Siliconix
SiP5678
www.vishay.com
1

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SIP5678CS-TR-E3 Summary of contents

Page 1

... Industrial computers • High-end personal computers TERMPWR 3 Current Limited 1.3 V Current Limited Source/Sink SCSI Regulator Terminator Impedance Circuits REG SiP5678 Vishay Siliconix Source/Sink Regulator 35 DIFFS 2 T1N 1 T1P 48 T15N 47 T15P See Functional Diagrams (Page 6) for detailed descriptions of SCSI Terminator Impedance Circuits in LVD and S/E modes of operation ...

Page 2

... SiP5678 Vishay Siliconix TYPICAL APPLICATION DIAGRAM SiP5678 TERMPWR DISABLE REG 4.7 µF GND 0.1 µF 4.7 µF SiP5678 TERMPWR DISABLE REG 4.7 µF GND Group 1 Signals: DB(0), DB(1), DB(2), DB(3), DB(4), DB(5), DB(6), DB(7), DB(P), DB(12), DB(13), DB(14), DB(15), DB(P1) Group 2 Signals: ATN, BSY, ACK, RST, MSG, SEL, C/D, REQ, I/O, DB(8), DB(9), DB(10), DB(11) www ...

Page 3

... V ≤ V ≤ 4 REG REG - 5 mA ≤ I ≤ 50 µA DIFFS DIFFS V = 2.75 V DIFFS 0 V ≤ V ≤ 1.2 V DISABLE V > 1.2 V DISABLE SiP5678 Vishay Siliconix Limit Unit 125 °C 150 Limit Unit 2 °C Limits Min. Typ. Max. Unit 100 105 110 Ω ...

Page 4

... SiP5678 Vishay Siliconix SPECIFICATIONS Parameter Symbol MODE Input V S/E to LVD Threshold TH(S/E) V LVD to HPD Threshold TH(HPD) I Input Current IN(MODE) t Mode Change Delay DEL THERMAL Shutdown d T Shutdown Temperature OFF d T Hysteresis HYS TERMPWR Supply I LVD Mode DD(LVD) I S/E Mode DD(S/E) I HPD Mode ...

Page 5

... PIN CONFIGURATION AND ORDERING INFORMATION T3P T3N T4P T4N T5P T5N T6P T6N T7P T7N T8P T8N ORDERING INFORMATION Part Number SiP5678CS-TR-E3 PIN DESCRIPTION Pin Name 1, 11, 13, 15, 17, 19, 21, 23, 25, 37, TXP 1...15 39, 41, 43, 45 12, 14, 16, 18, 20, 22, 24,26, 38, TXN 1...15 40, 42, 44, 46 TERMPWR 28, ...

Page 6

... SiP5678 Vishay Siliconix FUNCTIONAL BLOCK DIAGRAM - LVD OPERATION Comparators V < 0.5 = S/E 34 MODE 0.7 < V < 1.9 = LVD V > 2.4 = HPD 10 µA Mode Control And Enable/Disable 36 DISABLE Circuitry FUNCTIONAL BLOCK DIAGRAM - S/E OPERATION Comparators V 0.5 = S/E 34 MODE 0.7 V 1.9 = LVD V 2.4 = HPD 10 µ ...

Page 7

... Mbyte/s data transfer. Top panel DB10 T- and T+ signals. Bottom panel DB9 T- and T+ signals. All bits except DB9 toggling at maximum data rate. 5 ns/div TEMPWR = 5.25 V S/E WAVEFORMS 40 Mbyte/s data transfer. Top panel DB10 T- signals. Bottom panel DB9 T- signals. 50 ns/div TEMPWR = 5.25 V Document Number: 73100 S09-1456-Rev. B, 03-Aug-09 SiP5678 Vishay Siliconix 5 ns/div TEMPWR = 2. ns/div TEMPWR = 2.70 V www.vishay.com 7 ...

Page 8

... SiP5678 Vishay Siliconix LVD TYPICAL CHARACTERISTICS 110 0 °C 108 25 °C 70 °C 106 104 102 100 2.5 3.0 3.5 4.0 Differential Impedance vs. TERMPWR 125 0 °C 120 25 °C 70 °C 115 110 105 100 2.5 3.0 3.5 4.0 TERMPWR (V) Differential Fail-Safe Bias vs. TERMPWR 1.30 1.29 0 ° ...

Page 9

... SiP5678 Vishay Siliconix TERMPWR 5.25 V 3 Temperature (°C) Impedance vs. Temperature TERMPWR 5.25 V 3 Temperature (°C) Output Current at 0 ...

Page 10

... Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability data, see www ...

Page 11

... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...

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