msm7620 Oki Semiconductor, msm7620 Datasheet - Page 12

• Manufacturer Part Number: msm7620
• Description: Echo Canceler
• Manufacturer: Oki Semiconductor

¡ Semiconductor
AC Characteristics
Clock Frequency
Clock Cycle Time
Clock Duty Ratio
Clock "H" Level Pulse Width
Clock "L" Level Pulse Width
Clock Rise Time
Clock Fall Time
Sync Clock Output Time
Internal Sync Clock Frequency
Internal Sync Clock Output Cycle Time
Internal Sync Clock Duty Ratio
Internal Sync Signal Output Delay Time
Internal Sync Signal Period
Internal Sync Signal Output Width
Transmit/receive Operation Clock Frequency
Transmit/receive Sync Clock Cycle Time
Transmit/receive Sync Clock Duty Ratio
Transmit/receive Sync Signal Period
Sync Timing
Sync Signal Width
Receive Signal Setup Time
Receive Data Hold Time
Receive Data Input Time
IRLD Signal Output Delay Time
IRLD Signal Output Width
Serial Output Delay Time
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
f
t
t
t
t
t
MCK
DMC
MCH
t
WSO
WSY
t
t
t
t
MCL
DCM
f
DCO
DCC
CYO
SCK
SCK
DSC
t
t
WIR
CYC
t
DIC
DH
f
CO
CO
XS
SX
DS
SD
XD
t
t
ID
C
r
f
Condition
f
f
f
f
f
f
c
c
c
c
c
c
= 18 MHz
= 18 MHz
= 18 MHz
= 18 MHz
= 18 MHz
= 18 MHz
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.488
Min.
17.5
23.5
54.1
23.5
123
t
40
64
40
45
45
SCK
45
—
—
—
—
—
—
—
—
—
45
—
—
—
—
—
55.56
Typ.
7t
18.0
t
200
125
125
t
50
—
—
—
—
—
50
—
—
—
50
—
—
—
—
—
—
SCK
—
—
CO
5
SCK
(Ta = –40°C to +85°C)
t
CYC
Max.
2048
18.5
57.1
15.6
100
138
60
60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
90
90
5
5
5
–t
MSM7620
SCK
12/28
Unit
MHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ms
ns
ms
ms
ms
ms
ns
ns
ms
ns
ns
ms
ns
ms
ns
%
%
%