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5962-9318601M3A +BOM

Scan Test Devices With Octal Bus Transceivers

Hersteller:

Texas Instruments, Inc
Herstellerteil #:

5962-9318601M3A
Datenblatt:

5962-9318601M3A Datenblatt (PDF)
Supply Voltage (min) (V):

4.5
Supply Voltage (max) (V):

5.5
Number Of Channels:

8
IOL (max) (mA):

64
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an 5962-9318601M3A

5962-9318601M3A Allgemeine Beschreibung

The 'ABT8245 scan test devices with octal bus transceivers are members of the Texas Instruments SCOPE^TM testability integrated-circuit family. This family of devices supports IEEE Standard 1149.1-1990 boundary scan to facilitate testing of complex circuit-board assemblies. Scan access to the test circuitry is accomplished via the 4-wire test access port (TAP) interface.

In the normal mode, these devices are functionally equivalent to the 'F245 and 'ABT245 octal bus transceivers. The test circuitry can be activated by the TAP to take snapshot samples of the data appearing at the device pins or to perform a self test on the boundary-test cells. Activating the TAP in normal mode does not affect the functional operation of the SCOPE^TM octal bus transceivers.

Data flow is controlled by the direction-control (DIR) and output-enable () inputs. Data transmission is allowed from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at DIR. The output-enable () input can be used to disable the device so that the buses are effectively isolated.

In the test mode, the normal operation of the SCOPE^TM bus transceivers is inhibited and the test circuitry is enabled to observe and control the I/O boundary of the device. When enabled, the test circuitry can perform boundary-scan test operations as described in IEEE Standard 1149.1-1990.

Four dedicated test pins control the operation of the test circuitry: test data input (TDI), test data output (TDO), test mode select (TMS), and test clock (TCK). Additionally, the test circuitry performs other testing functions such as parallel-signature analysis (PSA) on data inputs and pseudo-random pattern generation (PRPG) from data outputs. All testing and scan operations are synchronized to the TAP interface.

The SN54ABT8245 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT8245 is characterized for operation from -40°C to 85°C.

Hauptmerkmale

Members of the Texas Instruments SCOPE^TM Family of Testability Products
Compatible With the IEEE Standard 1149.1-1990 (JTAG) Test Access Port
and Boundary-Scan Architecture
Functionally Equivalent to 'F245 and 'ABT245 in the Normal-Function Mode
SCOPE^TM Instruction Set:
- IEEE Standard 1149.1-1990 Required Instructions, Optional INTEST, CLAMP, and HIGHZ
- Parallel-Signature Analysis at Inputs With Masking Option
- Pseudo-Random Pattern Generation From Outputs
- Sample Inputs/Toggle Outputs
- Binary Count From Outputs
- Even-Parity Opcodes
Two Boundary-Scan Cells per I/O for Greater Flexibility
State-of-the-Art EPIC-IIB^TM BiCMOS Design Significantly Reduces Power Dissipation
Package Options Include Plastic Small-Outline Packages (DW), Ceramic Chip Carriers(FK), and Standard Ceramic DIPs (JT)
SCOPE and EPIC-IIB are trademarks of Texas Instruments Incorporated.

Spezifikationen

Supply voltage (min) (V)	4.5	Supply voltage (max) (V)	5.5
Number of channels	8	IOL (max) (mA)	64
IOH (max) (mA)	-24	Input type	TTL-Compatible CMOS
Output type	3-State	Features	Partial power down (Ioff), Very high speed (tpd 5-10ns)
Technology family	ABT	Rating	Military
Operating temperature range (°C)	-55 to 125	feature-maximum-operating-supply-voltage-v	5.5
feature-minimum-operating-supply-voltage-v	4.5	feature-packaging	Tube
feature-rad-hard	No	feature-pin-count	28
feature-cecc-qualified	No	feature-esd-protection
feature-escc-qualified		feature-military	Yes
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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