參數(shù)資料
型號: MT90221AL
廠商: Mitel Networks Corporation
英文描述: Quad IMA/UNI PHY Device
中文描述: 四IMA的/單向物理層設(shè)備
文件頁數(shù): 98/114頁
文件大?。?/td> 304K
代理商: MT90221AL
MT90221
90
.
Figure 30 - External Memory Interface Timing - Read Cycle
AC Electrical Characteristics - External Memory Interface Timing - Read Access
Item
Description
Min
Typ
Max
t
CLK
t
RC
t
AVRS
t
AVRH
t
CSRS
t
CSRH
t
WERS
t
WERH
t
RDS
t
RDH
MT90220 System Clock Period
38 ns
40 ns
46 ns
Read Cycle Time
30 ns
1 t
CLK
-10 ns
9 ns
Address Setup Time
Address Hold Time
3 ns
Chip Select Setup Time
9 ns
Chip Select Hold Time
3 ns
Write Enable* Setup Time
9 ns
Write Enable* Hold Time
3 ns
Data Setup Time
0
Data Hold Time
3
t
csrs
t
csrh
t
avrh
t
wers
t
werh
t
rdh
t
avrs
System Clock
SR_A[18:0]
SR_CS
SR_WE
SR_D[7:0]
Address Valid
Data Valid
t
rds
t
rc
t
clk
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參數(shù)描述
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