參數(shù)資料
型號: T8538A
廠商: Lineage Power
元件分類: Codec
英文描述: Quad Programmable Codec(四通道可編程編解碼器)
中文描述: 四可編程編解碼器(四通道可編程編解碼器)
文件頁數(shù): 29/42頁
文件大小: 1019K
代理商: T8538A
Lucent Technologies Inc.
29
Advance Data Sheet
October 2000
T8538A Quad Programmable Codec
Timing Characteristics
Control Interface Timing
Serial Control Port Timing
Table 13. Serial Control Port Timing
(See Figures 17 and 18.)
* The t
SXBDLY
delay is from either DCLK or CS, whichever transition is later, for the first bit of the byte.
Symbol
f
DCLK
f
DCLK
Parameter
Test Conditions
Min
Typ
Max
4096
16000
Unit
kHz
kHz
Clock Frequency (all commands)
Clock Frequency (all commands except
write
all channels
)
Clock Duty Cycle
Chip Select Setup Time, Normal Mode
Chip Select Hold Time, Normal Mode
40
7
4
50
60
%
ns
ns
t
CSSETUP
t
CSHOLD
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
t
DCLK
t
CSSETUP
9
12
12
30
t
SXDLY
t
SDHOLD
t
SDSETUP
t
SDZ
t
RISE
t
FALL
t
RISE
,
t
FALL
t
CSBHOLD
t
SXBDLY
t
CSBSETUP
Chip Select Setup Time, Byte-by-Byte Mode
t
SDBHOLD
Data Hold Time, Byte-by-Byte Mode
t
SDBSETUP
Data Setup Time, Byte-by-Byte Mode
t
CSBHOLD
Chip Select Hold Time, Byte-by-Byte Mode
Output Data Delay, Normal Mode
Input Data Hold Time, Normal Mode
Input Data Setup Time, Normal Mode
Output Data, High Impedance
Clock Edge Rise Time
Clock Edge Fall Time
Line Driver Rise/Fall Time (DO output)
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
I
L
= 15 mA,
C
LOAD
= 100 pF
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz*
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
D
CLK
= 4.096 MHz
4
7
100
ns
ns
ns
ns
ns
ns
ns
Chip Select Hold Time, Byte-by-Byte Mode
Output Data Delay, Byte-by-Byte Mode
4
7
4
7
4
9
ns
ns
ns
ns
ns
ns
t
DCLK
t
CSBSETUP
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