參數(shù)資料
型號: DSP1620
英文描述: TVS 400W 6.0V BIDIRECT SMA
中文描述: 澄清,串行I /設備的DSP1620/27/28/29 O控制注冊說明
文件頁數(shù): 94/114頁
文件大?。?/td> 804K
代理商: DSP1620
Preliminary Data Sheet
February 1997
DSP1628 Digital Signal Processor
Lucent Technologies Inc.
92
10 Timing Characteristics for 2.7 V Operation
(continued)
10.6 Bit Input/Output (BIO)
Figure 16. Write Outputs Followed by Read Inputs (cbit = Immediate; a1 = sbit)
Figure 17. Write Outputs and Test Inputs (cbit = Immediate)
Table 75. Timing Requirements for BIO Input Read
Abbreviated Reference
t27
t28
Parameter
Min
15
0
Max
Unit
ns
ns
IOBIT Input Setup Time (valid to high)
IOBIT Input Hold Time (high to invalid)
Table 76. Timing Characteristics for BIO Output
Abbreviated Reference
Parameter
Min
Max
Unit
t29
IOBIT Output Valid Time (low to valid)
9
ns
t144
IOBIT Output Hold Time (low to invalid)
1
ns
Table 77. Timing Requirements for BIO Input Test
Abbreviated Reference
t141
t142
Parameter
Min
15
0
Max
Unit
ns
ns
IOBIT Input Setup Time (valid to low)
IOBIT Input Hold Time (low to invalid)
CKO
IOBIT
(INPUT)
t28
t27
VALID OUTPUT
V
IH
V
IL
V
OH
V
OL
V
OH
V
OL
DATA INPUT
t29
t144
IOBIT
(OUTPUT)
5-4019 (C).a
CKO
IOBIT
(INPUT)
t142
t141
VALID OUTPUT
V
IH
V
IL
V
OH
V
OL
V
OH
V
OL
TEST INPUT
t29
t144
IOBIT
(OUTPUT)
5-4019 (C).b
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