TI380C25 Datasheet, PDF (55/71 Pages) Texas Instruments – TOKEN-RING COMMPROCESSOR

TI380C25
TOKEN-RING COMMPROCESSOR
SPWS012 – JANUARY 1995
SCS, SRSX,
SRS0, SRS1
SIACK
Valid
267
SRNW
SUDS,
SLDS
SDDIR
SDBEN
272
High
282R
268
273a
273
283R
286
279
276
275
SDTACK ^†
282a
Hi-Z
255
Hi-Z
261
259
260
261a
SADH0 – SADH7,
SADL0 – SADL7,
Hi-Z
SPH, SPL
Output Data Valid
Hi-Z
† _{SDTACK is an active-low bus ready signal. It must be asserted before data output.}
Figure 23. 68xxx DIO Read-Cycle Timing
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
55