參數(shù)資料
型號(hào)： AK7712A-VT
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No
中文描述： 內(nèi)置20位ADC / DAC的尖端音頻DSP
文件頁(yè)數(shù)： 19/87頁(yè)
文件大?。?/td> 968K
代理商： AK7712A-VT
ASAHI KASEI
[AK7712A-VT]
0180-E-02
1997/12
- 19 -
6) Read/write Interface Timing of Pseudo SRAM(External RAM) (normal mode)
(AVDD,DVDD,AVB,DVB=5.0V
±
5%, Ta=25
°
C, CL=20pF)
XTI(MHz)
16.934
min
-18
18.432
min
-15
12.288
min
-20
Parameter
Symbol
max
max
18
80
max
Units
Address delay time from OE "
↑
" (writing)
Address delay time from OE "
↑
" (reading)
Hold time of column address
Address setup time
Pulse width of chip enable
Pre-charge time of chip enable
Chip enable time
Pulse width of write command
Data set time
Data hold time
t
AOEW
t
AOER
t
CAH
t
AS
t
CE
t
P
t
CW
t
WP
t
DW
t
DH
110
10
90
40
90
35
100
10
15
70
120
12
100
50
100
40
110
12
170
15
135
60
135
60
160
15
20
110
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7) Refresh Interface Timing of DRAM(External RAM) (CAS before RAS Refresh)
(AVDD,DVDD,AVB,DVB=5.0V
±
5%, Ta=25
°
C, CL=20pF)
XTI(MHz)
16.934
min
260
120
120
90
12
220
18.432
min
240
105
105
80
10
200
12.288
min
360
170
170
130
15
320
Parameter
Symbol
max
max
max
Units
Read cycle
Pulse width of RASCE"H"
Pulse width of RASCE"L"
RASCE Pre-charge
CASRF hold time
CASRF setup time at auto refresh
CASRF hold time at auto refresh
t
CRD
t
WRH
t
WRL
t
RPC
t
SUR
t
HRRC
ns
ns
ns
ns
ns
ns
8) Read/Write Interface Timing of DRAM(External RAM) (Page Mode)
(AVDD,DVDD,AVB,DVB=5.0V
±
5%, Ta=25
°
C, CL=20pF)
XTI(MHz)
16.934
min
-18
18.432
min
-15
12.288
min
-20
Parameter
Symbol
max
15
70
max
18
80
max
Units
Address delay time fromOE "
↑
" (write)
Address delay time fromOE "
↓
" (read)
RASCE preceded address setup time
RASCE followed address hold time
CASRF preceded address setup time
CASRF followed address hold time
CASRF hold time after write
Write hold time after CASRF
Write pulse width
Data setup time
Data hold time after write
Pulse width of CASRF"H"
Pulse width of CASRF"L"
t
AOEW
t
AOER
t
SURA
t
HRA
t
SUCA
t
HCLCA
t
HWCH
t
HCLW
t
W
t
SUD
t
HWLD
t
WCH
t
WCL
10
12
10
45
40
55
40
0
60
22
54
12
14
12
45
43
65
43
0
70
24
62
15
18
15
60
60
90
60
0
100
32
90
20
110
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
相關(guān)PDF資料
PDF描述
AK7714 Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No
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