参数资料
型号: LXT384BE
元件分类: 通信、网络模块及开发工具
英文描述: Telecomm/Datacomm
中文描述: 电信/数据通信
文件页数: 67/80页
文件大小: 1112K
代理商: LXT384BE
Octal T1/E1/J1 Transceiver
LXT384
Datasheet
67
Table 49. Motorola Bus Read Timing Characteristics
2
Parameter
Sym
Min.
Typ
1
Max
Unit
Test Conditions
Address setup time to address or data strobe
Tsar
10
ns
Address hold time from address or data strobe
Thar
5
ns
Valid address strobe pulse width
Tvas
95
ns
R/W setup time to active data strobe
Tsrw
10
ns
R/W hold time from inactive data strobe
Thrw
0
ns
Chip select setup time to active data strobe
Tscs
0
ns
Chip select hold time from inactive data strobe
Thcs
0
ns
Address strobe active to data strobe active delay
Tasds
20
ns
Delay time from active data strobe to valid data
Tpds
3
30
ns
Delay time from inactive data strobe to data High Z
Tdz
3
30
ns
Valid data strobe pulse width
Tvds
60
ns
Inactive data strobe to inactive INT delay time
Tint
10
ns
Data strobe inactive to address strobe inactive delay
Tdsas
15
ns
DS asserted to ACK asserted delay
Tdackp
40
ns
DS deasserted to ACK deasserted delay
Tdack
10
ns
Active ACK to valid data delay
Tpack
0
ns
1. Typical figures are at 25 C and are for design aid only; not guaranteed and not subject to production
testing.
2. C
L
= 100pF on D0-D7, all other outputs are loaded with 50pF.
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