CT2566 Datasheet, PDF (21/37 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)
See Note
td1
td9
td2
tpw1
RD/WR (2)
A02 (38)
A01 (77)
A00 (39)
EXTEN (4)
D15-D00
DATA FROM EXTERNAL REGISTER
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
td9
CPU Reads from External Register Timing
DESCRIPTION
MIN
READYD low delay (CPU Handshake)
-
IOEN high delay (CPU Handshake)
-
READYD pulse width (CPU Handshake)
70
Register Data/Address set-up time
-
MAX
200
20
-
40
UNITS
ns
ns
ns
ns
Aeroflex Circuit Technology
Figure 23 – CPU reads from external register
21
SCDCT2566 REV B 8/10/99 Plainview NY [phone]