參數(shù)資料
型號: DS26303
廠商: Maxim Integrated Products, Inc.
英文描述: 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
中文描述: 3.3V、E1/T1/J1、短程、8通道線路接口單元
文件頁數(shù): 85/97頁
文件大?。?/td> 966K
代理商: DS26303
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
85 of 97
Table 10-5. Motorola Read Cycle Characteristics
(V
DD
= 3.3V ±5%, Tj = -40°C to +125°C.) (
Figure 10-5
and
Figure 10-6
)
SIGNAL
NAME(S)
DS
t1
Pulse Width (Note 1)
CSB
t2
Setup Time to DSB Active (Note 1)
CSB
t3
Hold Time from DSB Inactive (Note 1)
RWB
t4
Setup Time to DSB Active (Note 1)
RWB
t5
Hold Time from DSB Inactive (Note 1)
AD[7:0]
t6
Setup Time to ASB/DSB Active (Notes 1, 2)
AD[7:0]
t7
Hold Time from ASB/DSB Active (Notes 1, 2)
AD[7:0], D[7:0]
t8
Output Valid Delay Time from DSB Active (Note 1)
AD[7:0], D[7:0]
t9
Invalid Output Delay Time from DSB Active (Note 1)
AD[7:0], D[7:0]
t10
Output Valid Delay Time from DSB Inactive (Note 1)
ACKB
t11
Asserted Delay from DSB Active (Note 1)
ACKB
t12
Output Delay Time from DSB Inactive (Note 1)
ASB
t13
Active Delay Time to DSB Active (Note 1)
Note 1:
The input/output timing reference level for all signals is V
DD
/2.
Note 2:
In a nonmux cycle, the timing reference refers only to the DSB signal. While in a mux cycle, the timing reference refers only to the
ASB signal.
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
60
0
0
10
0
10
5
3
2
3
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
30
30
40
12
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