msm7630 Oki Semiconductor, msm7630 Datasheet - Page 8
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msm7630
Manufacturer Part Number
msm7630
Description
Universal Speech Processor
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7630.pdf
(95 pages)
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¡ Semiconductor
DRAM Access
General Device Access
RAS Delay Time
RAS Pulse Width
A to RAS Time
CAS Delay Time
CAS Pulse Width
A to CAS Time
RAS to CAS Time
WE to CAS Time
WE Delay Time
WE Pulse Width
A to WE Time
Required Precharge Time
CAS to RAS Time
CAS to D Time
AS Delay Time
Parameter
Parameter
t
t
t
W_RASCAS
W_CASRAS
Symbol
t
t
W_WECAS
t
Symbol
t
t
t
t
W_ARAS
W_ACAS
W_PREC
t
W_AWE
W_RAS
W_EDO
W_CAS
W_WE
t
t
t
RAS
CAS
t
WE
AS
2nt access falling
Condition
Hyper Mode
Condition
Refresh
Normal
Normal
edge
—
—
—
—
—
—
—
—
—
—
—
—
Min.
Min.
1.5
0.5
1.5
1.5
—
—
—
—
—
—
—
—
3
1
4
3
1
(V
(V
DD
DD
= 3.0 to 3.6 V, T
= 3.0 to 3.6 V, T
Typ.
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
18 + 0.5 t
OPE
OPE
Note 1
Note 1
Note 2
Max.
Max.
18
—
18
20
—
—
18
2
5
1
2
2
1
= –40 to +85°C)
= –40 to +85°C)
MSM7630
CYC
Unit
t
t
t
t
t
t
t
t
t
t
t
Unit
ns
CYC
CYC
ns
ns
CYC
CYC
ns
CYC
CYC
ns
CYC
CYC
CYC
CYC
CYC
ns
8/95