DS80C390 Datasheet, PDF (45/58 Pages) Dallas Semiconductor – Dual CAN High-Speed Microprocessor

DS80C390
MOVX CHARACTERISTICS (Non-multiplexed address/data bus)
PARAMETER
SYMBOL MIN
MAX
UNITS STRETCH
VALUES
Input Instruction Float after
PSEN
PSEN High to Data Address,
t_PXIZ
t_PHAV
0.5 t_MCS -5
0.75 t_MCS -5
2.75 t_MCS -10
0.25 t_MCS -5
C_ST (MD2:0)
C_ST =0
1≤ C_ST ≤ 3
ns _{4 ≤ CST ≤ 7}
ns
Port 4 CE, Port 5 PCE Valid
RD Pulse Width
t_RLRH
0.5 t_MCS -5
ns
C_ST =0
C_ST •t_MCS -10
1 ≤ C_ST ≤ 7
WR Pulse Width
t_WLWH 0.5 t_MCS -5
ns
C_ST =0
RD Low to Valid Data In
t_RLDV
C_ST •t_MCS -10
0.5 t_MCS -20
1 ≤ C_ST ≤ 7
ns
C_ST = 0
C_ST •t_MCS -20
1 ≤ C_ST ≤ 7
Data Hold after Read
Data Float after Read
t_RHDX
0
t_RHDZ
0.5 t_MCS -5
0.75t_MCS -5
1.75 t_MCS -5
ns
ns
C_ST = 0
1≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
PSEN High to WR Low
t_PHWL
0.5 t_MCS -5
ns
C_ST = 0
0.75t_MCS -5
2.75 t_MCS -5
1≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
Data Float after Read
t_PHRL
Port 1 Address, Port 4 CE, Port
5 PCE to Valid Data In
t_AVDV1
0.5 t_MCS -5
ns
C_ST = 0
0.75t_MCS -5
1≤ C_ST ≤ 3
2.75 t_MCS -5
4 ≤ C_ST ≤ 7
0.75 t_MCS -20
ns
C_ST = 0
(C_ST+0. 5)•t_MCS -20
1≤ C_ST ≤ 3
(C_ST+2.5)•t_MCS -20
4 ≤ C_ST ≤ 7
Port 2, 4 Address to Valid Data
In
Port 0 Address, Port 4 CE, Port
5 PCE to RD or WR Low
Port 2, 4 Address to RD or WR
Low
t_AVDV2
0.875 t_MCS -20
ns
(C_ST+0.625)•t_MCS -20
(C_ST+2.625)•t_MCS -20
t_AVWL1 0.25 t_MCS -5
ns
0.5t_MCS -5
2.5 t_MCS -10
t_AVWL2 0.375 t_MCS -5
ns
0.625t_MCS -5
2.625 t_MCS -10
C_ST = 0
1≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
C_ST = 0
1 ≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
C_ST = 0
1 ≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
Data Valid to WR Transition
t_QVWX
-5
ns
Data hold after WR high
t_WHQX 0.25 t_MCS -5
ns
C_ST = 0
RD or WR High to ALE, Port 4 ^tWHCEH
CE or Port 5 PCE High
0.5t_MCS -5
1.5 t_MCS -10
0
0.25 t_MCS -5
1.25 t_MCS -5
10
0.25 t_MCS +5
1.25 t_MCS +5
1 ≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
ns
C_ST = 0
1 ≤ C_ST ≤ 3
4 ≤ C_ST ≤ 7
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