msm7719-01 Oki Semiconductor, msm7719-01 Datasheet - Page 21
msm7719-01
Manufacturer Part Number
msm7719-01
Description
Echo Canceler With Adpcm Transcoder
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7719-01.pdf
(40 pages)
- Current page: 21 of 40
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¡ Semiconductor
• Microcontroller write timing (shared control of WR and RD)
• Microcontroller read timing (shared control of WR and RD)
Microcontroller Interface (Shared Control of WR and RD Pins)
Address Setup Time
(with respect to the falling edge of WR)
Address Setup Time
(with respect to the rising edge of WR)
WR Pulse Width
Address Setup Time
(with respect to the falling edge of CS)
Address Setup Time
(with respect to the rising edge of CS)
CS Pulse width
Data Input Setup Time
Data Input Hold Time
Address Setup Time
(with respect to the falling edge of CS)
Address Setup Time
(with respect to the rising edge of CS)
Data Output Delay Time
Data Output Hold Time
A4-0
CS
WR
D7-0
A4-0
RD
CS
D7-0
Parameter
Symbol
t
t
t
t
t
t
WRWS
WRWH
t
t
t
CSWH
t
t
t
CSWS
WRW
CSRS
CSRH
DWH
CSW
DWS
DOD
DOH
High-Z
High-Z
t
t
t
WRWS
CSWS
CSRS
Condition
MTYPE=1
t
t
t
WRW
CSW
CSW
t
t
DWS
DOD
(V
t
t
t
t
DWH
DOH
t
WRWH
CSWH
CSRH
DD
Min.
30
15
45
30
15
45
30
15
30
15
—
0
= 4.5 to 5.5 V, Ta = –25 to +70°C)
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
High-Z
High-Z
MSM7719-01
Max.
—
—
—
—
—
—
—
—
—
—
40
—
21/40
Unit
ns
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