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SN75971B1DLRG4

SN75971B1DLRG4
Mfr. #:
SN75971B1DLRG4
विवरण:
SCSI Interface IC SCSI Differential Converter-Data
जीवन चक्र:
यस निर्माताबाट नयाँ।
डाटा पाना:
SN75971B1DLRG4 डाटा पाना
डेलिभरी:
DHL FedEx Ups TNT EMS
भुक्तानी:
T/T Paypal Visa MoneyGram Western Union
ECAD Model:
थप जानकारी:
SN75971B1DLRG4 थप जानकारी SN75971B1DLRG4 Product Details
उत्पादन विशेषता
विशेषता मान
निर्माता:
टेक्सास उपकरण
उत्पादन कोटि:
SCSI इन्टरफेस IC
RoHS:
Y
प्रकार:
SCSI समाप्ति
सञ्चालन आपूर्ति भोल्टेज:
4.75 V to 5.25 V
सञ्चालन आपूर्ति वर्तमान:
66 mA
न्यूनतम परिचालन तापमान:
0 C
अधिकतम परिचालन तापमान:
+ 70 C
माउन्टिङ शैली:
SMD/SMT
प्याकेज / केस:
SSOP-56
प्याकेजिङ:
रील
उचाइ:
2.59 mm
लम्बाइ:
18.41 mm
चौडाइ:
7.49 mm
ब्रान्ड:
टेक्सास उपकरण
बिट्स संख्या:
9
नमी संवेदनशील:
हो
उत्पादन प्रकार:
SCSI इन्टरफेस IC
कारखाना प्याक मात्रा:
1
उपश्रेणी:
इन्टरफेस ICs
एकाइ वजन:
0.024508 oz
Tags
SN75971B1DL, SN75971B1, SN75971, SN759, SN75, SN7
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***ser
SCSI Termination and Transceivers SCSI Differential Converter-Data
*** Stop Electro
Line Transceiver, 9 Func, 9 Driver, 9 Rcvr, PDSO56
***i-Key
IC DIFF CONVRTR DATA SCSI 56SSOP
***as Instruments
The SN75971B SCSI differential converter-data is a 9-channel RS-485 transceiver. When used in conjunction with its companion control transceiver, the SN75970B, the resulting chip set provides the superior electrical performance of differential SCSI from a single-ended SCSI bus or controller. A 16-bit Ultra-SCSI (or Fast-20) SCSI bus can be implemented with just three devices (two data and one control) in the space efficient, 56-pin, shrink small-outline package (SSOP) or thin shink small outline package (TSSOP) and a few external components. An 8-bit SCSI bus requires only one data and one control transceiver. The SN75971B is available in a B2 (20 Mxfer) version and a B1 (10 Mxfer) version. In a typical differential SCSI node, the SCSI controller provides an enable for each external RS-485 transceiver channel. This could require as many as 27 extra terminals for a 16-bit differential bus controller or relegate a 16-bit, single-ended controller to only an 8-bit differential bus. Using the standard nine SCSIcontrol signals, the SN75970B control transceiver decodes the state of the bus and enables the SN75971B data transceiver to transmit the single-ended SCSI input signals (A side) differentially to the cable or receive the differential cable signals (B side) and drive the single-ended outputs to the controller. A reset function, which disables all outputs and clears internal latches, can be accomplished from two external inputs and two internally-generated signals. RESET\ (reset) and DSENS (differential sense) are available to external circuits for a bus reset or to disable all outputs should a single-ended cable be inadvertently connected to a differential connector. Internally-generated power-up and thermal-shutdown signals have the same affect when the supply voltage is below approximately 3.5 V or the junction temperature exceeds 175C. The SCSI, differential, converter-data chip operates in two modes depending on the state of the DRVBUS input. With DRVBUS low, a bidirectional latch circuit sets the direction of data transfer. Each data bit has its own latch, and each bit's direction is independent of all other bits. When neither the single-ended nor the differential sides are asserted, the latch disables both A- and B-side output drivers. When the input to either side is asserted, the latch enables the opposite side's driver and sets data flow from the asserted input to the opposite side of the device. When the input deasserts, the latch maintains the direction until the receiver on the enabled driver detects a deassertion. The latch then returns to the initial state. No parity checking is done by this device; the parity signal passes through the device like other data signals do. When DRVBUS is high, direction is determined by the SDB signal. However, a change in SDB does not always immediately change the direction. When DRVBUS first asserts, the direction indicated by SDB is latched and takes effect immediately. When SDB changes while DRVBUS is high, the drivers that were on immediately turn off. However, the other driver set does not turn on until the receivers sense a deasserted state on all nine data lines. This is done to prevent the active drivers from turning on until all other drivers are off and the terminators pull the lines to a deasserted state. The single-ended SCSI bus interface consists of CMOS, bidirectional inputs and outputs. The drivers are rated to 16 mA of output current. The receiver inputs are pulled high with approximately 4 mA to eliminate the need for external pullup resistors for the open-drain outputs of most single-ended SCSI controllers. The single-ended side of the device is not intended to drive the SCSI bus directly. The differential SCSI bus interface consists of bipolar, bidirectional inputs and outputs that meet or exceed the requirements of EIA-485 and ISO 8482-1982/TIA TR30.2 referenced by American National Standard of Information Systems (ANSI) X3.131-1994 Small Computer System Interface-2 (SCSI-2) and SCSI-3 Fast-20 Parallel Interface (Fast-20) X3.277:1996. The SN75971B is characterized for operation over the temperature range of 0C to 70C.
भाग # विवरण स्टक मूल्य
SN75971B1DLRG4
DISTI # SN75971B1DLRG4-ND		IC DIFF CONVRTR DATA SCSI 56SSOP
RoHS: Compliant
Min Qty: 1000
Container: Tape & Reel (TR)		Limited Supply - Call
    SN75971B1DLRG4
    DISTI # 595-SN75971B1DLRG4    		SCSI Interface IC SCSI Differential Converter-Data
    RoHS: Compliant    		0
      छवि भाग # विवरण
      SN75971B2DGGRG4

      Mfr.#: SN75971B2DGGRG4

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      Mfr.#: SN75971B1DL

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      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B2DLRG4

      Mfr.#: SN75971B2DLRG4

      OMO.#: OMO-SN75971B2DLRG4

      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B2DL

      Mfr.#: SN75971B2DL

      OMO.#: OMO-SN75971B2DL

      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B1DL

      Mfr.#: SN75971B1DL

      OMO.#: OMO-SN75971B1DL-TEXAS-INSTRUMENTS

      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B2DGG

      Mfr.#: SN75971B2DGG

      OMO.#: OMO-SN75971B2DGG-TEXAS-INSTRUMENTS

      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B1DLG4

      Mfr.#: SN75971B1DLG4

      OMO.#: OMO-SN75971B1DLG4-1190

      		 SCSI Interface IC SCSI Differential Converter-Data
      SN75971B1DLR

      Mfr.#: SN75971B1DLR

      OMO.#: OMO-SN75971B1DLR-TEXAS-INSTRUMENTS

      		 IC DIFF CONVRTR DATA SCSI 56SSOP
      SN75971B1DLRG4

      Mfr.#: SN75971B1DLRG4

      OMO.#: OMO-SN75971B1DLRG4-TEXAS-INSTRUMENTS

      		 IC DIFF CONVRTR DATA SCSI 56SSOP
      SN75971B2DGGRG4

      Mfr.#: SN75971B2DGGRG4

      OMO.#: OMO-SN75971B2DGGRG4-TEXAS-INSTRUMENTS

      		 IC DIFF CONVRTR DATA SCSI56TSSOP
      उपलब्धता
      स्टक:
      Available
      अर्डर मा:
      5500
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