參數(shù)資料
型號(hào)： MA28139
廠商： Dynex Semiconductor Ltd.
英文描述： OBDH Bus Terminal
中文描述： OBDH客運(yùn)站
文件頁(yè)數(shù)： 25/34頁(yè)
文件大?。?/td> 416K
代理商： MA28139
MA28139
25/34
AC CHARACTERISICS
No.
Parameter
Condition
Min.
Max.
Units
T1
CITMOD to RR1n, RR2, RR3n, RR4, BR1n,
BR2, BR3n, BR4
CITMOD to NRE, RRE, NBE, RBE
CITSYNC, CITINV to CITCLK
↑
(setup/hold)
CTU mode
-
45
ns
T2
CTU mode
-
55
ns
T3/
T3a
T4/4a RRTDATA to CITMOD
↓
(setup/hold)
T5/5a RBTDATA to CITMOD
↓
(setup/hold)
T6/6a RBTEN to CITMOD
↑
(setup/hold)
T7/7a CITCLK to CITMOD
↑
(setup/hold)
T8
NIDS1n, NIDS2n, RIDS1n, RIDS2n to RR1n
RR2, RR3n, RR4, BR1n, BR2, BR3n, BR4
T9
NIDS1n, NIDS2n, RIDS1n, RIDS2n to NRE
RRE, NBE, RBE
CTU mode
10
-
ns
CTU mode
CTU mode
10
10
-
-
ns
ns
CTU mode
CTU mode
10
10
-
-
ns
ns
RTU mode
-
55
ns
RTU mode
-
75
ns
T10/
T10a
T11/
T11a
T12
RRTDATA to NIDS1n, NIDS2n, RIDS1n,
RIDS2n
↓
(setup/hold)
RBTDATA to NIDS1n, NIDS2n, RIDS1n,
RIDS2n
↓
(setup/hold)
RRTEN to NIDS1n, NIDS2n, RIDS1n, RIDS2n
↑
setup
RRTEN to NIDS1n, NIDS2n, RIDS1n, RIDS2n
↑
hold
RBTEN to NIDS1n, NIDS2n, RIDS1n, RIDS2n
↑
setup
RBTEN to NIDS1n, NIDS2n, RIDS1n, RIDS2n
↑
hold
RTU mode
10
-
ns
RTU mode
10
-
ns
RTU mode
0
-
ns
T12a
T13
RTU mode
RTU mode
35
0
-
-
ns
ns
T13a
RTU mode
35
-
ns
Table 4: Bus Adaptor Transmitter Characterisation
No.
Parameter
Condition
Min.
Max.
Units
T14
NIDS1n, NIDS2n, RIDS1n, RIDS2n
↓
to
RIRSYNC, RIRCLK, RIRDATA, RIRVAL valid
NRDS1n, NRDS2n, RRDS1n, RRDS2n
↓
to
RRRCLK, RRRDATA valid
RTU mode
-
80
ns
T15
RTU mode
-
55
ns
T16
NBDS1n, NBDS2n, RBDS1n, RBDS2n to
RBRCLK, RBRDATA valid
NRDS1n, NRDS2n, RRDS1n, RRDS2n
↓
to
RRRVAL
↓
NBDS1n, NBDS2n, RBDS1n, RBDS2n to
RBRVAL
↓
RRRINIT to RRRVAL
↑
RBRINIT to RBRVAL
↑
NIDS1n, NIDS2n, RIDS1n, RIDS2n pulse
width low (min.)
NRDS1n, NRDS2n, RRDS1n, RRDS2n pulse
width low (min.)
RTU mode
-
55
ns
T17
RTU mode
-
55
ns
T18
RTU mode
-
55
ns
T19
T20
RTU mode
RTU mode
-
-
30
30
ns
ns
T21
RTU mode
12
-
ns
T22
RTU mode
12
-
ns
T23
NBDS1n, NBDS2n, RBDS1n, RBDS2n pulse
width low (min.)
RTU mode
12
-
ns
Table 5: Bus Adaptor Receiver Characterisation
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