MA3690 Datasheet, PDF (17/41 Pages) Dynex Semiconductor – 1553B Bus Controller/Remote Terminal

Symbol Description
t1
CK4 to BUS [B0:B15] VALID
t2
CK4 to BUS [B0:B15] High Impedance
t3
B0: B15 set up wrt STROBEN ↑
t4
B0: B15 hold wrt STROBEN ↑
t5
VALCRN ↓ to RXCMDN ↓
t6
Pulse width RXCMDN, R/WN, STATENN,
BUFENN, CLDN, DLDN, MDTN, CODENN
t7
Pulse width STROBEN, GBRN, MDRN, SYNCN, IRQN
t7a
RXCMDN/R/WN/STATENN/BUFENN/CLDN/DLDN
/MDTN, CODENN ↓ to STROBEN
t7b
As 7a from STROBEN ↑
t8
RXCMDN ↑ to INCMD ↓
t9
INCMDN ↓ to STATENN ↓
t10
VALCRN pulse width
t11
VALDRN ↓ to DTRQN ↓
t12
DTRQN ↓ to DTAKN ↓ (RXDATA)
t13
DTAKN ↓
to BUFENN ↓
t14
DTRQN ↑ to CLDN ↓
t15
CLDN ↑
to GBRN ↓
t16
CLDN ↓
to STATUS valid BUS B0:B15
t17
CLDN ↑
to STATUS invalid on B0:B15
t18
DTRQN ↑ to DTAKN ↑
t19
STATENN to CLDN ↓ Non mode data
t20
CLDN ↑
to DTRQN ↓
t21
DTRQN ↓ to DTAKN ↓ (TX data)
t22
VALDRN ↓ to R/WN ↓
t23
MDTN ↓
to CLDN ↓
t24
CLDN ↑
to MDRN ↓
t25
STATENN to CLDN ↓ mode data
t26
CLDN ↑
to MDTN ↓
t27
MDTN ↑
to INCMDN ↑
t28
DTRQN ↑ to INCMDN ↑ (non broadcast)
t29
DTRQN ↑ to INCMDN ↑ (broadcast)
t30
MDTN ↑
to INCMDN ↑ (broadcast)
t31
CLDN ↑
to INCMDN ↑ (mode)
t32
CLDN ↑
to TXENN ↓
t33
TXENN/PDOUTN/NDOUTN/prop delay difference
t34
Start of transmission to EOTN ↑
t34a End of transmission to EOTN ↓
t35
End of transmission to ABORTN ↓
1) RT1 = 0 RT0 = 0
2) RT1 = 0 RT0 = 1
3) RT1 = 1 RT0 = 0
4) RT1 = 1 RT0 = 1
t36
Minimum no response timeout
1) RT1 = 0 RT0 = 0
2) RT1 = 0 RT0 = 1
3) RT1 = 1 RT0 = 0
4) RT1 = 1 RT0 = 1
t37
Remote terminal response time
t38
Minimum PUCN pulse width
t39
PUCN ↓ to RESET ↓
Min.
15
25
0
1t
15t
35
0
11t
0
2t
11t
15t
77t
77t
11t
1t
15.75
21.75
43.75
107.75
10.3
20
Figure 12: AC Electrical Characteristics
Typ.
3t
3t
1t
1t
1t
4t
3t
5t
24t
15t
24t
14t
25t
25t
6
76t₁₂
82t₁₂
MA3690/1/3
Max.
235
220
Units
nS
nS
nS
1t
3t
2t
16t
100
nS
nS
12t
54t
3t
12t
16t
78t
78t
12t
2t
nS
20
uS
26
uS
48
uS
112
uS
16.25
uS
22.25
uS
44.25
uS
108.25
uS
11.25
uS
nS
90
nS
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