參數(shù)資料
型號: MSM7630
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Universal Speech Processor(通用語音處理器)
中文描述: 通用語音處理器(通用語音處理器)
文件頁數(shù): 6/89頁
文件大?。?/td> 430K
代理商: MSM7630
MSM7630
Semiconductor
6/89
AC Characteristics
Parameter
Symbol
f
OSC
t
OSC
t
CYC
t
CLK
t
XO
t
W_RST
t
A
t
S_D
t
H_D
t
D
t
DZ
t
RD
t
W_RD
Condition
Source Oscillation Frequency
Source Oscillation Cycle
Operating Cycle
CLKA Delay Time
XO Delay Time
Required
RST
Time
A Delay Time
D Setup Time
D Hold Time
D Delay Time
Time for D to go into Hi-Z
RD
Delay Time
RD
Pulse Width
40
25
25
14
7
28
32
24
24
Unit
MHz
ns
ns
ns
ns
t
CYC
ns
ns
ns
ns
ns
ns
t
CYC
20
50
50
1024
14
2
2
Min.
Typ.
Max.
A to
RD
Time
AS
Delay Time
AS
Pulse Width
t
W_ARD
t
AS
t
W_AS
23
t
CYC
ns
t
CYC
t
CYC
t
CYC
ns
ns
ns
t
CYC
t
CYC
ns
1
2
3
1
3
1
Read access
Write access
2n
t
access falling
edge
Normal
A to
AS
Time
ROM
Delay Time
SRAM
Delay Time
RAS
Delay Time
RAS
Pulse Width
A to
RAS
Time
CAS
Delay Time
t
W_AAS
t
ROM
t
SRAM
t
RAS
t
W_RAS
t
W_ARAS
t
CAS
18+0.5t
CYC
18+0.5t
CYC
20
20+0.5t
CYC
20
ns
t
CYC
1.5
CAS
Pulse Width
t
W_CAS
Normal
Refresh
Refresh
20
20
t
CYC
ns
t
CYC
t
CYC
ns
t
CYC
t
CYC
t
CYC
ns
s
s
s
ns
ns
4
15
1.5
1.5
3
1
1
1/bps
0.5/bps
0.5/bps
0
0
A to
CAS
Time
RAS
to
CAS
Time
WE
to
CAS
Time
WE
Delay Time
WE
Pulse Width
A to
WE
Time
CAS
to
RAS
Time
RTS
Delay Time
Required RXD Time
RXD Setup Time
RXD Hold Time
CTS
Setup Time
CTS
Hold Time
t
W_ACAS
t
W_RASCAS
t
W_WECAS
t
WE
t
W_WE
t
W_AWE
t
W_CASRAS
t
RTS
t
W_RXD
t
S_RXD
t
H_RXD
t
S_CTS
t
H_CTS
(V
DD
=3.0 to 3.6V, Ta=–40 to +85°C)
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