CT2566 Datasheet, PDF (18/37 Pages) Aeroflex Circuit Technology – CT2566 MIL-STD-1553 to Microprocessor Interface Unit

Delay Timing (Cont.)
SYMBOL
td11
td12
td13
td14
td15
td16
td17
td18
td19
td20
td21
td22
td23
DESCRIPTION
BC SOM Cycle DMA delay
INT low delay
RTU SOM Cycle DMA delay
1553 Command Word set-up time
1553 Command Word hold time
MT SOM Cycle DMA delay
CS low to MEMCS low delay
OE low to MEMOE low delay
WR low to MEMWR low delay
BUSGRNT high delay
BUSACK low Address delay
BUSACK high Address delay
Address increment delay
Pulse Width Timing
SYMBOL
tpw1
tpw2
tpw3
tpw4
tpw5
tpw6
tpw7
tpw8
tpw9
tpw10
tpw11
tpw12
tpw13
tpw14
tpw15
DESCRIPTION
READYD pulse width (CPU Handshake)
CPU MEMWR low pulse width
CPU MEMCS low pulse width
EXTLD low pulse width
RESET low pulse width
DMA MEMWR low pulse width
DMA MEMCS low pulse width
BCSTART low pulse width
EOM low pulse width
INT low pulse width
INT low (BCEOM) pulse width
SOM low pulse width
NBGRNT low pulse width
ADRINC low pulse width
MSTRCLR low pulse width
*The min value of tpw10 equals tpw9 minus 30 ns.
Aeroflex Circuit Technology
18
MIN
-
-
-
60
60
-
-
-
-
-
-
-
-
MAX
120
50
200
-
-
120
30
30
30
25
45
25
200
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MIN
70
70
70
70
70
70
70
70
50
*
60
50
50
50
150
MAX
-
-
-
-
-
-
-
-
200
tpw9
-
200
200
200
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SCDCT2566 REV B 8/10/99 Plainview NY [phone]