Aeroflex Circuit Technology
11µs ± .75µs
1
STATUS SYNC
4.5 ± 0.5µs
6.5µs ±0.5µs
NBGT
2.1µs MAX
15.5µs max
15
14
13
0
P
DATA SYNC
15
14
13
0
P
0
P
DTGRT
100ns MAX
100ns MAX
DON’T CARE
DTSTB
125ns
DATA WORD FROM SUBSYSTEM STROBED IN
INCMD
1µs
4.5µs
R/W
SUB ADDRESS
PREVIOUS STATE
COMMAND SYNC
15
14
13
DTREQ
DTACK
5
A0 - A4
ADDRESS = 00h
WORD COUNT
TRISTATE
A5 (D/C)
STATEN
A11 (T/R)
A6 - A10
ADDRESS = 01h
STATUS WORD
TRISTATE
TRISTATE
DB0 - DB4
COMMAND WORD
DATA WORD FROM SUBSYSTEM
BUFFENA
ILLCMD STROBED IN
1.1µs (STATUS BITS STROBED IN)
(SRQ,BUSY,SSFLAG,RDBC,RTFLAG)
SCDCT2542 REV E 8/23/00 Plainview NY (516) 694-6700
Figure 3 – Timing Diagram, Transmit One Word