參數(shù)資料
型號: DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 98/107頁
文件大?。?/td> 592K
代理商: DS3160
DS3160
98 of 107
AC CHARACTERISTICS—CPU BUS
(V
DD
= 3.135V to 3.465V, 0 C to +70 C for DS3160)
(V
DD
= 3.135V to 3.465V, 0 C to +85 C for DS3160C01)
(V
DD
= 3.135V to 3.465V, -40 C to +85 C for DS3160N)
SYMBOL
MIN
TYP
PARAMETER
MAX
UNITS
NOTES
Setup Time for CA[7:0] Valid to
CCS
Active
Setup Time for
CCS
Active to Either
CRD
,
CWR
, or
CDS
Active
Delay Time from Either
CRD
or
CDS
Active to CD[15:0] Valid
Hold Time from Either
CRD
,
CWR
, or
CDS
Inactive to
CCS
Inactive
Hold Time from
CCS
or
CRD
Inactive to
CD[15:0] Tri-State
Wait Time from Either
CWR
or
CDS
Active to Latch CD[15:0]
CD[15:0] Setup Time to Either
CWR
or
CDS
Inactive
CD[15:0] Hold Time from Either
CWR
or
CDS
Inactive
CA[7:0] Hold from Either
CRD
,
CWR
,
or
CDS
Inactive
t1
0
ns
t2
0
ns
t3
65
ns
t4
0
ns
t5
2
ns
1
t6
65
ns
t7
10
ns
t8
2
ns
t9
5
ns
CRD
,
CWR
, or
CDS
Inactive Time
t10
75
ns
Muxed Address Valid to CALE Falling
t11
10
ns
2
Muxed Address Hold Time
CALE Pulse Width
Setup Time for CALE High or Muxed
Address Valid to
CCS
Active
t12
t13
10
30
ns
ns
2
2
t14
0
ns
2
NOTES:
1)
Data on CD15:0 must be valid for the minimum time period.
2)
In multiplexed bus applications (Figure 12E), CA[7:0] should be connected to CD[7:0] and the falling
edge of CALE latches the address.
3)
In nonmultiplexed bus applications (Figure 12D), CALE should be connected high.
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