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RTI-30
COMSTR
Figure 16. Command Word Validation
t16a
BIPHASE IN
RCV
XMIT
CH A/B
P
COMMAND
BRDCST
MC/SA
MCSA(4:0)
ADDR OUT 1
MESS ERR
SYMBOL
PARAMETER
MINIMUM
MAXIMUM
UNITS
Command word parity to COMSTR and
RCV or XMIT active 4
COMSTR pulse width 4
Command word parity to CH A/B valid 4
Status output signals valid to COMSTR
active 2, 4
MES ERR reset after COMSTR active 4
3.67
-
430
745
µs
µs
ns
ns
3.58
2.58
2.66
750
Notes:
1. ADOEN is asserted (i.e., logic low).
2. Status signals include BRDCST, MC/SA, MCSA(4:0), and ADDR OUT.
3. Measured from mid-bit parity crossing.
4. Supplied as a design limit, but not guaranteed or tested.
3
499
502
ns
t16b
t16c
t16d
t16e
t16a
t16b
t16c
t16d
t16e