CT2553-PCB Aeroflex Circuit Technology, CT2553-PCB Datasheet - Page 27

• Manufacturer Part Number: CT2553-PCB
• Description: Advanced Integrated Mux Aim Hybrid For Mil-std-1553 / Sae-as15531 In Pcb Style
• Manufacturer: Aeroflex Circuit Technology

SCDCT2553PCB Rev A Preliminary 7/13/06
SYMBOL
16MHz Clock
(Internal)
MEM/REG
tpw1
READYD
(Internal)
D15-D00
td1
td2
td4
SELECT
A15-A00
MEMCS
MEMOE
tz
tr
STRBD
RD/WR
IOEN
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)
CPU MEMOE low delay
READYD to STRBD release
(SELECT
FIGURE 30 – CPU READS FROM RAM TIMING
See Note 1
•
STRBD) to IOEN
tz
td4
See Note 2
RAM ADDRESS VALID
27
td1
RAM DATA VALID
tr
tpw1
MIN
50
-
-
-
-
-
td2
MAX
1.37
150
100
1.8
20
-
UNITS
Aeroflex Plainview
ns
ns
ns
ns
µs
µs