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: 80/100页
文件大小: 1547K
代理商: B900M24FXX12IT
80
Lucent Technologies Inc.
B900
Advance Data Sheet
Baseband Signal Processor
July 1999
8 Timing Requirements and Characteristics (continued)
8.4
JTAG I/O Specifications
5-4017.a
Figure 14. JTAG Timing Diagram
Table 102. Timing Requirements for JTAG Input
Ref
Parameter
B900
Unit
VDD = 4.5 V to 5.5 V VDD = 3.0 V to 3.6 V
Min
Max
Min
Max
t9
TCK Period (high to high)
50
50
ns
t10
TCK High Time (high to low)
22
22
ns
t11
TCK Low Time (low to high)
22
22
ns
t12
TMS Setup Time (valid to high)
7
7
ns
t13
TMS Hold Time (high to invalid)
0
0
ns
t14
TDI Setup Time (valid to high)
7
7
ns
t15
TDI Hold Time (high to invalid)
0
0
ns
Table 103. Timing Characteristics for JTAG Output
Ref
Parameter
B900
Unit
VDD = 4.5 V to 5.5 V VDD = 3.0 V to 3.6 V
Min
Max
Min
Max
t16
TDO Delay (low to valid)
22
22
ns
t17
TDO Hold (low to invalid)
0
0
ns
t9
t11
t10
t12
t13
t14
t15
t16
t17
TCK
TMS
TDI
TDO
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
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