SN75970B1DLR

Mfr. #:: SN75970B1DLR
Сипаттама:: SCSI Interface IC SCSI DIFFERENTIAL CONVERTER-CONTROLLER
Өміршеңдік кезең:: Осы өндірушіден жаңа.
Деректер тізімі:: SN75970B1DLR Деректер тізімі
Жеткізу:: DHL FedEx Ups TNT EMS
Төлем:: T/T Paypal Visa MoneyGram Western Union
ECAD Model:
Көбірек ақпарат:: SN75970B1DLR Көбірек ақпарат SN75970B1DLR Product Details

Өнім атрибуты
Төлсипат мәні

Өндіруші:: Texas Instruments

Өнім санаты:: SCSI интерфейсі IC

Түрі:: SCSI дифференциалды түрлендіргішін басқару

Ең төменгі жұмыс температурасы:: 0 C

Максималды жұмыс температурасы:: + 70 C

Орнату стилі:: SMD/SMT

Пакет/қорап:: SSOP-56

Биіктігі:: 2.59 mm

Ұзындығы:: 18.41 mm

Өнім:: SCSI

Ені:: 7.49 mm

Бренд:: Texas Instruments

Өнім түрі:: SCSI интерфейсі IC

Ішкі санат:: Интерфейс IC

Бірлік салмағы:: 0.024508 oz

Tags: SN75970B1DL, SN75970B1, SN75970, SN759, SN75, SN7

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SN75970B1DLR Сипаттама

***ser: SCSI Termination and Transceivers SCSI Differential Converter Control

***i-Key: IC DIFF CNVRTR CNTRL SCSI 56SSOP

***as Instruments: The SN75970B SCSI differential converter-control, when used in conjunction with one or more of its companion data transceiver(s), provides the superior electrical performance of differential SCSI from a single-ended SCSI bus controller. A 16-bit, Fast-SCSI bus can be implemented with just three devices (two for data and one for control) in the space-efficient, 56-pin, shrink small-outline package (SSOP) as well as the even smaller TSSOP and a few external components. The SN75970B is available in a B2 (20 Mxfer) version and a B1 (10 Mxfer) version. In a typical differential SCSI node, the SCSI controller provides the enables for each external RS-485 transceiver. This could require as many as 27 additional 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 SCSI control signals, the SN75970B control transceiver decodes the state of the bus and enables the SN75971B data transceiver(s) to transmit the single-ended SCSI input signals differentially to the cable or receive the differential cable signals and drive the single-ended outputs to the controller. The single-ended SCSI bus interface consists of CMOS bidirectional inputs and outputs. The drivers are rated at 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 the 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 SN75970B is characterized for operation over the temperature range of 0C to 70C. The SN75970B consists of nine RS-485 differential transceivers, nine TTL- or CMOS-level compatible transceivers, a state machine and control logic block, a 20-MHz crystal-controlled oscillator, a timer, a power-up/-down glitch protection circuit, and a thermal-shutdown protection circuit. The single-ended or controller interface is designated as the A side and the differential port is the B side. Since the device uses the SCSI control signals to decode the state of the bus and data flow direction, the terminal assignments must be matched to the corresponding signal on the SCSI bus. The signal name followed by a a minus sign (-) indicates an active-low signal while a plus sign (+) indicates an active-high signal. 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. The power-up and thermal-shutdown are internally generated signals that have the same effect when the supply voltage is below 3.5 V or the junction temperature exceeds approximately 175C. This data sheet contains descriptions of the SN75970B input and output signals followed by the electrical characteristics. The parameter measurement information is followed by the theory of operation, a state flow chart, and a typical circuit in the application information section.

Market price

Бөлім №	Сипаттама	Қор	Бағасы
SN75970B1DLR DISTI # SN75970B1DLR-ND	IC DIFF CNVRTR CNTRL SCSI 56SSOP RoHS: Compliant Min Qty: 1000 Container: Tape & Reel (TR)	Limited Supply - Call
SN75970B1DLRG4 DISTI # SN75970B1DLRG4-ND	IC DIFF CNVRTR CNTRL SCSI 56SSOP RoHS: Compliant Min Qty: 1000 Container: Tape & Reel (TR)	Limited Supply - Call

Қосымша тауарлар

Сурет	Бөлім №	Сипаттама
	Mfr.#: SN75976A1DLR OMO.#: OMO-SN75976A1DLR	RS-485 Interface IC 9-Channel Diff Transceiver
	Mfr.#: SN75971B2DGGR OMO.#: OMO-SN75971B2DGGR	SCSI Interface IC SCSI Differential Converter-Data
	Mfr.#: SN75971B2DL OMO.#: OMO-SN75971B2DL	SCSI Interface IC SCSI Differential Converter-Data
	Mfr.#: SN75970B2DLR OMO.#: OMO-SN75970B2DLR-TEXAS-INSTRUMENTS	IC DIFF CNVRTR CNTRL SCSI 56SSOP
	Mfr.#: SN75976A1DGG OMO.#: OMO-SN75976A1DGG-203	RS-485 Interface IC 9-Channel Diff Transceive
	Mfr.#: SN75971B1DL OMO.#: OMO-SN75971B1DL-TEXAS-INSTRUMENTS	SCSI Interface IC SCSI Differential Converter-Data
	Mfr.#: SN75970B2DL OMO.#: OMO-SN75970B2DL-TEXAS-INSTRUMENTS	IC DIFF CNVRTR CNTRL SCSI 56SSOP
	Mfr.#: SN75971B1DLR OMO.#: OMO-SN75971B1DLR-TEXAS-INSTRUMENTS	IC DIFF CONVRTR DATA SCSI 56SSOP
	Mfr.#: SN75971B2DLR OMO.#: OMO-SN75971B2DLR-TEXAS-INSTRUMENTS	IC DIFF CONVRTR DATA SCSI 56SSOP
	Mfr.#: SN75976A2DLR-EL05 OMO.#: OMO-SN75976A2DLR-EL05-1190	Жаңа және түпнұсқа

Қол жетімділік

Қор:: Available
Тапсырыс бойынша:: 4000
Саны енгізіңіз:

SN75970B1DLR ағымдағы бағасы тек анықтама үшін берілген, егер сіз ең жақсы бағаны алғыңыз келсе, сату тобымызға [email protected] мекенжайына сұрауды немесе тікелей электрондық поштаны жіберіңіз.

-ден бастаңыз

SN75970B1DL 3
SN75970B1 5
SN75970 11
SN759 43
SN75 2137
SN7 24556

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SN75970B1DLR

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