ml7037 Oki Semiconductor, ml7037 Datasheet - Page 23

• Manufacturer Part Number: ml7037
• Description: Ml7037-003 Dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free
• Manufacturer: Oki Semiconductor

Not for Publication
PDN, XO, AVREF Timing
Note
*1 Crystal unit (HC-49/U-S), R=1M, C1=C2=10pF
Timing Chart (PDN, XO, AVREF timing)
OKI Semiconductor
AVDD supply start delay time
DVDD supply cease delay time
Power-down reset start latency
Power-dwon reset signal pulse
width
Power-down reset release latency
Oscillation activation time
REGOUT0,1
DVDD0,1=3.00V to 3.60V, AVDD=3.00V to 3.60V, DGND0,1=0.0V, AGND0,1=0.0V, Ta=-40°C to +85°C (otherwise specified)
DVDD0,1
Operation
AVREF
AVDD
Internal
PDN
XO
Parameter
Power-ON (DVDD1,0)
Power-ON (AVDD)
t
AVDDS
>=90%
t
t
RSTS
RSTW
Power
down
t
t
SXO
RSTE
Symbol
t
t
t
Figure 13 PDN, XO, AVREF Timing
AVDDS
DVDDE
t
t
RSTW
t
RSTS
RSTE
SXO
Initial
mode
crystal unit (*1)
Condition
DVDD0,1
AVDD
PDN
Normal Operation
Min.
1.0
—
—
—
0
0
t
Power-OFF (AVDD)
RSTS
Power-OFF (DVDD1,0)
Power
t
down
DVDDE
Typ.
—
—
—
—
—
—
PEDL7037-003-05Zz_Digest
Max.
100
250
28
—
—
—
ML7037-003
50% VDD
50% VDD
REGOUT
AVREF
VDD
VDD
0V
0V
0V
0V
23/41
Unit
ms
ms
ns
ns
ns
µs