Intel MCS48 User Manual page 391

GPIB TIMINGS
11
8291
Symbol
Parameter
Max. Unit
Test Conditions
TEOT13
EOil
to
TR1t 90
nsec
PPSS, ATN=0.45V
TEODI6
EOll
to
DlO
Valid
130 nsec
PPSS,
ATN=0.45V
TEOT12
EOII
to
TR1I 130
nsec PPSS,
ATN=0.45V
TATND4
ATNI
to
NDACJ
130 nsec
TACS, AIDS
TATT14 ATNI
to
TR1I
130 nsec
TACS, AIDS
TATT24
ATNI
to
TR2I 130
nsec
TACS, AIDS
TDNVD3-C DAVJ
to
NDACf
350 nsec
AH,
CACS
TNDDV1 NDACt
to
DAVt 300 nsec
SH,
STRS
TNRDV2 NRFD1
to
DAV1 300 nsec SH, T1
True
TNDDR1 NDACt
to
DREQI
350 nsec
SH
TDVDR3
DAVl
to
DREQt
350 nsec
AH,
LACS, ATN=2.4V
TDVND2-C
DAVt
to
NDACJ
350 nsec
AH,
LACS
TDVNR1-C DAVt
to
NRFDt 350 nsec
AH, LACS, rdy=True
TRDNR3 RD*
to
NRFDt 500 nsec
AH,
LACS
TWRDI5
WR
to
DlO
Valid
200 nsec
SH,
TACS,
RS =
0.4V
TWRDV2
WRt
to
DAW
760 nsec
NRFD =
2.4V,
RS =
0.4V,
SH,
TACS, High Speed Transfers
Enabled,
N
F
=f
c
=
8MHz
Notes:
1.
All
GPiB
timings are
at
the pins of
the 8291.
8-101
00229A