参数资料
型号: B900J24PXX12I
元件分类: 数字信号处理
英文描述: 0-BIT, 80 MHz, OTHER DSP, PQFP44
文件页数: 89/100页
文件大小: 1547K
代理商: B900J24PXX12I
Advance Data Sheet
B900
July 1999
Baseband Signal Processor
Lucent Technologies Inc.
89
8 Timing Requirements and Characteristics (continued)
8.8
Serial I/O Specifications (continued)
* SLDB for channel B in dual-channel mode.
5-4035a (F)
Figure 22. SIO Passive Input Timing Diagram
Table 113. Timing Characteristics for Serial Passive 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
t55
SLDA Setup (high to low)
4
4
ns
t56
SLDA Hold (low to invalid)
4
4
ns
t57
SLDA Setup (low to low)
4
4
ns
t58
SLDA Hold (low to invalid)
4
4
ns
t59
Data Setup (valid to low)
2
2
ns
t60
Data Hold (low to invalid)
4
4
ns
t61
Clock Period (high to high)
50
50
ns
t62
Clock Low Time (low to high)
22
22
ns
t63
Clock High Time (high to low)
22
22
ns
SCLK
SLDA
SDI
LDTA = 1
(LDTB = 0)
LDTA = 0
(LDTB = 1)
B14
B13
B12
B11
B10
B9
B8
VIH
VIL
VIH
VIL
VIH
VIL
B15
B7
t56
t57
t59
t60
t61
t62
t63
t55
t58
(SLDB)*
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