参数资料
型号: B900M24FXX12IT
元件分类: 数字信号处理
英文描述: 0-BIT, 59.88 MHz, OTHER DSP, PQCC44
文件页数: 88/100页
文件大小: 1547K
代理商: B900M24FXX12IT
88
Lucent Technologies Inc.
B900
Advance Data Sheet
Baseband Signal Processor
July 1999
8 Timing Requirements and Characteristics (continued)
8.8
Serial I/O Specifications (continued)
* SLDB for channel B in dual-channel mode.
5-4033a (F)
Figure 21. SIO Active Input Timing Diagram
Table 111. Timing Characteristics for Serial Active Input Clocks
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
t51
SLDB Delay (high to low)
13
13
ns
t52
SLDB Delay (high to high)
14
14
ns
Table 112. Timing Requirements for Serial Active Input
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
t53
Data Setup (valid to low)
2
2
ns
t54
Data Hold (low to invalid)
4
4
ns
SCLK
SLDA
SDI
LDTA = 1
(LDTB = 0)
LDTA = 0
(LDTB = 1)
t52
t51
t53
B15
B14
B13
B12
B11
B10
B9
B8
t54
B0
B1
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
(SLDB)*
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