Datasheet

SN54LVTH18504A, SN54LVTH182504A, SN74LVTH18504A, SN74LVTH182504A
3.3-V ABT SCAN TEST DEVICES
WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS667B – JULY 1996 – REVISED JUNE 1997
23
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
A8-I/O A7-I/O A6-I/O A5-I/O A4-I/O A3-I/O A2-I/O A1-I/OA10-I/O A9-I/O
=
=
A18-I/O A17-I/O A16-I/O A15-I/O A14-I/O A13-I/O A12-I/O A11-I/OA20-I/O A19-I/O
B7-I/O B6-I/O B5-I/O B4-I/O B3-I/O B2-I/O B1-I/OB8-I/OB10-I/O B9-I/O
B17-I/O B16-I/O B15-I/O B14-I/O B13-I/O B12-I/O B11-I/OB18-I/OB20-I/O B19-I/O
MSB
LSB
Figure 12. 20-Bit PSA/COUNT Configuration (OEAB = 1, OEBA = 0)