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SN54LVT18502
3.3-V ABT SCAN TEST DEVICE
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS669 – JULY 1996
D Member of the Texas Instruments SCOPE ™
Family of Testability Products
D Member of the Texas Instruments
Widebus ™ Family
D State-of-the-Art 3.3-V ABT Design Supports
Mixed-Mode Signal Operation (5-V Input
and Output Voltages With 3.3-V VCC)
D Supports Unregulated Battery Operation
Down to 2.7 V
D UBT ™ (Universal Bus Transceiver)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, or Clocked Mode
D Bus Hold on Data Inputs Eliminates the
Need for External Pullup Resistors
D Compatible With the IEEE Standard
1149.1-1990 (JTAG) Test Access Port and Boundary-Scan Architecture
D SCOPE ™ Instruction Set
– IEEE Standard 1149.