µPD31172
(h) Read timing in EPP1.7 mode
Parameter
DIR1284 setup time
Symbol
t51
Conditions
MIN.
30
MAX.
3 T
Unit
ns
ns
ns
µs
ns
ns
ns
ns
SELECTIN#, AUTOFEED# setup time
IOCHRDY setup time
t52
t53
3 T
10
Timeout generation time
t54
IOCHRDY cancellation time
SELECTIN#, AUTOFEED# cancellation time
CD (7:0) hold time
t55
3 T
3 T
t56
t57
0
DIR1284 cancellation time
t58
1 T
Remark T: Parallel interface internal clock cycle (41.6 ns (MIN.))
AD (24:0)
(input)
IOR#
(input)
Hi-Z
Hi-Z
DATA (31:0)
(output)
Valid data
STROBE#
(output)
t
52
t
56
SELECTIN#
AUTOFEED#
(output)
t
57
CD (7:0)
(input)
Hi-Z
Hi-Z
Valid data
t
51
t
58
DIR1284
(output)
t
54
BUSY
(input)
t
53
t
55
IOCHRDY
(output)
35
Data Sheet U14388EJ2V0DS00
NEC [ NEC ]
