参数资料
型号: MA28139
厂商: Dynex Semiconductor Ltd.
英文描述: OBDH Bus Terminal
中文描述: OBDH客运站
文件页数: 25/34页
文件大小: 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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