Wireless Modem Data Pump
FX909A
For the following conditions unless otherwise specified:
Xtal Frequency = 4.096MHz, V = 3.3V to 5.0V, Tamb = - 40°C to +85°C.
DD
Notes
Min.
Typ.
Max.
Units
mC Parallel Interface Timings (ref. Figure 20)
t
t
t
t
t
t
t
t
t
t
t
t
t
Address valid to CSN low time
Address hold time
0
0
ns
ACSL
AH
ns
CSN hold time
0
ns
CSH
CSN high time
12
6
clock cycles
CSHI
CSRWL
DHR
DHW
DSW
RHCSL
RACL
RARL
RL
CSN to WRN or RDN low time
Read data hold time
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0
Write data hold time
0
Write data setup time
90
0
RDN high to CSN low time (write)
Read access time from CSN low
Read access time from RDN low
RDN low time
11
11
175
145
200
RDN high to D0-D7 3-state time
WRN high to CSN low time (read)
WRN low time
50
RX
t
0
WHCSL
WL
t
200
Notes:
11. With 30pF max to V on D0 - D7 pins.
SS
12. Xtal/Clock cycles at the XTAL/CLOCK pin.
ã 1996 Consumer Microcircuits Limited
43
D/909A/4
CMLMICRO [ CML MICROCIRCUITS ]
