CT2554 Aeroflex Circuit Technology, CT2554 Datasheet - Page 26

• Manufacturer Part Number: CT2554
• Description: Ct2553 / 2554 / 2555 / 2556 Advanced Integrated Mux Aim Hybrid For Mil-std-1553
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
SYMBOL
16MHz Clock
(Internal)
tpw1
tpw6
MEM/REG
td1
td2
td5
td8
td9
tz
READYD
D15-D00
tr
SELECT
STRBD)
RD/WR
EXTLD
IOEN
A02
A01
A00
1. STRBD to IOEN (low) delay is two clock cycles. If contention occurs, delay is two clock cycles following release of bus.
2. CPU must release STRBD within 1.5µs of IOEN going active. READYD will go away within one clock cycle maximum.
NOTE:
DESCRIPTION
READYD low delay (CPU Handshake)
IOEN high delay (CPU Handshake)
READYD pulse width (CPU Handshake)
EXTLD low delay
Register Data/Address set-up time
Register Data/Address set-up time
EXTLD low pulse width
READYD to STRBD release
(SELECT
Figure 29 – CPU Writes to External Register
See Note 1
CPU Writes to External Register
•
STRBD) to IOEN
tz
td5
td8
See Note 2
26
td1
CPU DATA
VALID
VALID
tpw6
tr
MIN
50
50
56
tpw1
-
-
-
-
-
-
SCDCT2553 REV B 8/6/99 Plainview NY [phone]
td2
MAX
1.37
150
1.8
20
30
0
-
-
-
td9
UNITS
ns
ns
ns
ns
ns
ns
ns
µs
µs