92hd89d Integrated Device Technology, 92hd89d Datasheet - Page 44

• Manufacturer Part Number: 92hd89d
• Description: Eight Channel Hd Audio Codec Low Power Optimized For Ecr15b And Eup
• Manufacturer: Integrated Device Technology

92HD89D
Eight channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
SPDIF_OUT rise time
SPDIF_OUT fall time
DMIC_CLK Frequency
DMIC_CLK Period
DMIC_CLK jitter
DMIC Data setup
DMIC Data hold
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input rise/fall time
Input/Tristate High
Leakage Current
Input/Tristate Low Leakage
Current
3.3.3.
3.3.4.
Parameter
Parameter
Parameter
Digital Microphone Timing
GPIO Characteristics
input level at or above which a 1 is
input level at or below which a 0 is
Setup for the microphone data at
transition time between 10% and
Hold for the microphone data at
Average DMIC_CLK frequency
both rising and falling edges of
both rising and falling edges of
VDD may be DVDD or AVDD
VDD may be DVDD or AVDD
VDD may be DVDD or AVDD
VDD may be DVDD or AVDD
VDD may be DVDD or AVDD
depending on pin (does not
include pull-up or pull-down
depending on pin (does not
include pull-up or pull-down
Period of DMIC_CLK
resistor if present)
resistor if present)
depending on pin
depending on pin
reliably recorded
reliably recorded
DMIC_CLK jitter
90% of supply
iout = -4mA
DMIC_CLK
DMIC_CLK
iout = 4mA
Vin = VDD
Definition
Definition
Definition
Vin = 0
Table 24. GPIO Characteristics
Table 23. Digital Mic timing
Table 22. SPDIF Timing
44
T_rise/T_fall
Tdmic_cyc
Tdmic_su
Tdmic_h
Symbol
Symbol
Symbol
T_rise
T_fall
Voh
Vih
Vol
Vil
850.34
1.176
0.6 x
VDD
0.9 x
VDD
Min
Min
Min
5
5
425.17
2.352
Typ
Typ
Typ
-50
0.5
212.59
0.35 x
4.704
5000
VDD
0.1 x
VDD
Max
Max
Max
15
15
10
V1.0 04/10
92HD89D
Units
Units
Units
MHz
uA
uA
ns
ns
ns
ps
ns
ns
ns
V
V
V
V