CT2566 Datasheet, PDF (22/37 Pages) Aeroflex Circuit Technology – CT2566 MIL-STD-1553 to Microprocessor Interface Unit

12MHz Clock
(Internal)
STRBD (41)
SELECT (1)
IOEN (42)
READYD (3)
MEM/REG (10)
RD/WR (2)
A02 (38)
A01 (77)
A00 (39)
EXTLD (43)
D15-D00
See Note
td1
td9
tpw1
td2
td10
VALID
VALID
td5
tpw4
CPU DATA
NOTE: STRBD to IOEN (low) delay is two clock cycles. If contention occurs, delay is two clock cycles following release of bus.
SYMBOL
td1
td2
tpw1
td5
td9
td10
tpw4
CPU Writes to External Register
DESCRIPTION
MIN
READYD low delay (CPU Handshake)
-
IOEN high delay (CPU Handshake)
-
READYD pulse width (CPU Handshake)
70
EXTLD low delay
-
Register Data/Address set-up time
-
Register Data/Address set-up time
-
EXTLD low pulse width
70
Figure 24 – CPU writes to external register
MAX
200
20
-
130
40
0
-
UNITS
ns
ns
ns
ns
ns
ns
ns
Aeroflex Circuit Technology
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SCDCT2566 REV B 8/10/99 Plainview NY [phone]