cx28224 Mindspeed Technologies, cx28224 Datasheet - Page 242

• Manufacturer Part Number: cx28224
• Description: Cx28224/5/9 Inverse Multiplexing For The Atm Ima Family
• Manufacturer: Mindspeed Technologies

Electrical and Mechanical Specifications
8.2
Figure 8-15. Read/Write Timing
Table 8-13. Expansion Memory Port Read/Write Timing Table
8-20
t
t
t
t
t
t
t
t
t
t
t
t
The timing requirements and characterization were calculated based on 20 pF capacitive loading.
pwl
pwh
per
apd
adpd
cpd
wpd
opd
wdpd
wdhd
rdsu
rdhd
Label
MemCtrl_CLK
MemAddr
MemCtrl_ADSC
MemCtrl_CE*
MemCtrl_OE*
MemCtrl_WE*
MemData
Pulse Width Low
Pulse Width High
Period
Propagation Delay, MemAddr from rising edge of MemCtrl_CLK
Propagation Delay, MemCtrl_ADSC from rising edge of MemCtrl_CLK
Propagation Delay, MemCtrl_CE* from rising edge of MemCtrl_CLK
Propagation Delay, MemCtrl_WE* from rising edge of MemCtrl_CLK
Propagation Delay, MemCtrl_OE* from rising edge of MemCtrl_CLK
Propagation Delay, valid write data from rising edge of MemCtrl_CLK
Hold, valid write data from rising edge of MemCtrl_CLK
Setup, read data to rising edge of MemCtrl_CLK
Hold, read data from rising edge of MemCtrl_CLK
Expansion Memory Port Timing
t
pwh
t
t
t
t
apd
adpd
cpd
wdpd
t
Description
Write Cycle
pwl
Valid Write Data
Mindspeed Technologies
t
t
t
adpd
cpd
wpd
t
per
t
wdhd
t
t
t
t
apd
adpd
cpd
wpd
™
Read Cycle
Min
1.0
1.0
1.0
1.0
1.0
1.0
5.0
1.0
20
—
8
8
t
t
t
Valid Read Data
adpd
cpd
opd
t
rdsu
CX28224/5/9 Data Sheet
Max
10.0
10.0
10.0
10.0
10.0
10.0
—
—
—
—
—
—
28229-DSH-001-D
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
t
apd
opd
t
500027_062
Unit
rdhd