msm7719-01 Oki Semiconductor, msm7719-01 Datasheet - Page 20
![no-image](/images/no-image-200.jpg)
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: 20 of 40
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¡ Semiconductor
Microcontroller Interface (WR and RD Pins Controlled Independently)
• Microcontroller write timing (WR and RD controlled independently)
• Microcontroller read timing (WR and RD controlled independently)
Address and Chip Select Setup Time
(with respect to the falling edge of WR)
Address and Chip Select Setup Time
(with respect to the rising edge of WR)
WR Pulse Width
Data Input Setup Time
Data Input Hold Time
Address and Chip Select Setup Time
(with respect to the falling edge of RD)
Address and Chip Select Setup Time
(with respect to the rising edge of RD)
RD Pulse Width
Data Output Setup Time
Data Output Hold Time
A4-0
CS
RD
D7-0
A4-0
CS
WR
D7-0
Parameter
Symbol
t
t
t
t
CWH
t
t
t
t
t
t
DWS
DWH
CWS
DOD
DOH
WW
CRS
CRH
RW
High-Z
High-Z
t
t
CWS
CRS
Condition
MTYPE=0
t
t
WW
RW
t
t
DWS
DOD
(V
t
t
DOH
DOH
t
t
DD
CWH
CRH
Min.
30
15
45
30
15
30
15
45
—
0
= 4.5 to 5.5 V, Ta = –25 to +70°C)
Typ.
—
—
—
—
—
—
—
—
—
—
High-Z
High-Z
MSM7719-01
Max.
—
—
—
—
—
—
—
—
40
—
20/40
Unit
ns
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