參數(shù)資料
型號: B900M24FXX16I
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 80 MHz, OTHER DSP, PQCC44
文件頁數(shù): 87/100頁
文件大小: 1547K
代理商: B900M24FXX16I
Advance Data Sheet
B900
July 1999
Baseband Signal Processor
Lucent Technologies Inc.
87
8 Timing Requirements and Characteristics (continued)
8.8
Serial I/O Specifications (continued)
* SLDB for channel B in dual-channel mode.
5-4032 (F)
Figure 20. SIO Passive Output Timing Diagram
Table 109. Timing Requirements for Serial Passive Output
Ref
Parameter
B900
Unit
VDD = 4.5 V to 5.5 V
VDD = 3.0 V to 3.6 V
TMIN = 12.5 ns
TMIN = 16.7 ns
Min
Max
Min
Max
t42
SLDA Setup (high to low)
4
4
ns
t43
SLDA Hold (low to invalid)
4
4
ns
t44
SLDA Setup (high to low)
4
4
ns
t45
SLDA Hold (low to invalid)
4
4
ns
t46
Clock Period (high to high)
50
50
ns
t47
Clock Low Time (low to high)
22
22
ns
t48
Clock High Time (high to low)
22
22
ns
Table 110. Timing Characteristics for Serial Passive Output
Ref
Parameter
B900
Unit
VDD = 4.5 V to 5.5 V
VDD = 3.0 V to 3.6 V
TMIN = 12.5 ns
TMIN = 16.7 ns
Min
Max
Min
Max
t49
Data Delay (high to valid)
22
22
ns
t50
Data Hold (high to invalid)
4
4
ns
SCLK
SLDA
SDO
LDTA = 1
(LDTB = 0)
LDTA = 0
(LDTB = 1)
VOH
VOL
B15
B14
B13
B12
B11
B10
B9
B8
VIH
VIL
VIH
VIL
VIH
VIL
B7
t43
t44
t45
t49
t50
t46
t47
t48
t42
(SLDB)*
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