CT2565 Datasheet, PDF (15/31 Pages) Aeroflex Circuit Technology – CT2565 Bus Controller, Remote Terminal and BUS Monitor FOR MIL-STD-1553B

BUSREQ (19)
BUSGRNT (45)
BUSACK (59)
t1
t2
t3
HSFAIL (5)
SYMBOL
DESCRIPTION
MIN
t1
BUSREQ pulse width
667
t2
BUSGRNT delay
CMD WORD
0
TX DATA WORD
0
RX DATA
0
t3
BUSGRNT to BUSACK delay
40
Note: HSFAIL will go low following a BUSREQ to BUSGRNT timeout.
Figure 14 – RTU Handshake Timing
MAX
-
UNITS
ns
1.5
µs
15.5
µs
2.33
µs
166
ns
BUSACK (59)
OE (18)
WR (44)
CS (17)
ADRINC (49)
D0 - D15
t1
t2
t4
t3
VALID
t5
t6
t4
t7
t8
t9
t5
t10
VALID
CYCLE
Read
Write
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
Aeroflex Circuit Technology
MEMORY WRITE
MEMORY READ
DESCRIPTION
MIN TYP
BUSACK to OE delay
OE to CS delay
Data setup time
CS, OE and BUSACK pulse width
CS to ADRINC delay
ADRINC pulse width
-
-
-
-
-
-
-
500
-
-
80
-
BUSACK to CS delay
-
-
WR to CS delay
-
-
CS and WR pulse width
150 166
Data valid setup prior to leading edge of WR 60
-
MAX UNITS
25
ns
25
ns
250
ns
-
ns
25
ns
166
ns
225
ns
25
ns
180
ns
100
ns
Figure 15 – RTU Read/Write Timing
15
SCDCT2565 REV B 8/10/99 Plainview NY [phone]