PEX-400111
7.6 AC Characteristics
Symbol
Parameter
Min.
Typ.
Max.
T1
D0-D7 setup to nSTROBE active
T2 nSTROBE
width
600 ns
T3
D0-D7 hold from nSTROBE inactive
450 ns
T4
D0-D7 hold from BUSY inactive
80 ns
⎯
T5
nSTROBE active to BUSY active
⎯
500 ns
T6
BUSY inactive to nSTROBE active
680 ns
⎯
T7
D0-D7, nAUTOFDX setup to nSTROBE active
0 ns
60 ns
T8
D0-D7, nAUTOFDX hold from BUSY active
80 ns
180 ns
T9
nSTROBE inactive to BUSY inactive
0 ns
⎯
T10
BUSY inactive to nSTROBE active
80 ns
200 ns
T11
nSTROBE active to BUSY active
0 ns
⎯
T12
BUSY active to nSTROBE inactive
80 ns
180 ns
T13
D0-D7, BUSY setup to nACK active
T14
D0-D7 data hold from nAUTOFDX active
0 ns
⎯
T15
nACK inactive to nAUTOFDX active
80 ns
200 ns
T16
nAUTOFDX active to nACK active
0 ns
⎯
T17
nACK active to nAUTOFDX inactive
80 ns
200 ns
T18
nAUTOFDX inactive to nACK inactive
⎯
0 ns
⎯
-
31 -
Interface Corporation
D0 to D7
nAUTOFDX
nSTROBE
BUSY
Parallel port transmit timing chart in the ECP mode
T7
T8
T9
T10 T11
T12
T9
D0 to D7
nSTROBE
BUSY
Parallel port FIFO timing chart
T1
T2
T3
T4
T5
T6
D0 to D7
BUSY
nACK
OFDX
Parallel port receive timing chart in the ECP mode
T13
T18
T17
T16
T15
T14
T15
nAUT