參數(shù)資料
型號(hào)： LXT388LE
英文描述： PCM TRANSCEIVER|DUAL|CEPT PCM-30/E-1|CMOS|QFP|100PIN|PLASTIC
中文描述： 的PCM收發(fā)器|雙|優(yōu)稅PCM-30/E-1 |的CMOS | QFP封裝| 100引腳|塑料
文件頁(yè)數(shù)： 67/80頁(yè)
文件大?。?/td> 1112K
代理商： LXT388LE
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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