SCAN TEST DEVICE
D Member of the Texas Instruments
Widebus Family
D Compatible With IEEE Std 1149.1-1990
(JTAG) Test Access Port and
Bou...
Description
D Member of the Texas Instruments
Widebus Family
D Compatible With IEEE Std 1149.1-1990
(JTAG) Test Access Port and
Boundary-Scan Architecture
D Includes D-Type Flip-Flops and Control
Circuitry to Provide Multiplexed
Transmission of Stored and Real-Time Data
D Two Boundary-Scan Cells Per I/O for
Greater Flexibility
SN74ABT18652 SCAN TEST DEVICE WITH 18-BIT TRANSCEIVER AND REGISTER
SCBS132B – AUGUST 1992 – REVISED JANUARY 2002
D SCOPE Instruction Set
– IEEE Std 1149.1-1990 Required Instructions, Optional INTEST, and P1149.1A CLAMP and HIGHZ
– Parallel Signature Analysis at Inputs With Masking Option
– Pseudorandom Pattern Generation From Outputs
– Sample Inputs/Toggle Outputs – Binary Count From Outputs – Device Identification – Even-Parity Opcodes
PM PACKAGE (TOP VIEW)
1A2 1A1 1OEBA GND 1SAB 1CLKAB TDO V CC TMS 1CLKBA 1SBA 1OEAB GND 1B1 1B2 1B3
1A3 1A4 1A5 GND 1A6 1A7 1A8 1A9 VCC 2A1 2A2 2A3 GND 2A4 2A5 2A6
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1B4 1B5 1B6 GND 1B7 1B8 1B9 VCC 2B1 2B2 2B3 2B4 GND 2B5 2B6 2B7
2A7 2A8 2A9 GND 2OEBA 2SAB 2CLKAB TDI VCC TCK 2CLKBA 2SBA GND 2OEAB 2B9 2B8
description
This scan test device with an 18-bit bus transceiver and register is a member of the Texas Instruments SCOPE testability IC family. This device supports IEEE Std 1149.1-1990 boundary scan to facilitat...
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