Datasheet Summary
SN54ABTH18646A, SN54ABTH182646A, SN74ABTH18646A, SN74ABTH182646A
SCAN TEST DEVICES WITH 18-BIT TRANSCEIVERS AND REGISTERS
SCBS166D
- AUGUST 1993
- REVISED JULY 1996
D Members of the Texas Instruments
SCOPE ™ Family of Testability Products
D Members of the Texas Instruments
Widebus ™ Family
D patible With the IEEE Standard
1149.1-1990 (JTAG) Test Access Port and
Boundary-Scan Architecture
D Include D-Type Flip-Flops and Control
Circuitry to Provide Multiplexed
Transmission of Stored and Real-Time Data
D Bus Hold on Data Inputs Eliminates the
Need for External Pullup Resistors
D B-Port Outputs of ’ABTH182646A Devices
Have Equivalent 25-Ω Series Resistors, So No External Resistors Are...