SAB82538 Datasheet, PDF (231/253 Pages) Infineon Technologies AG – ICs for Communications

SAB 82538
SAF 82538
Siemens/Intel Bus Interface and Interrupt Timing (cont’d)
Parameter
No. Symbol
INT reactivated after IE1high
IE0 high after INT reset
DTACK active after command active
DTACK active after INTA active
DTACK hold after command inactive
DTACK high to DTACK high impedance
DTACK hold after INTA inactive
WR to RD control interval
t 32
IE1H-INTV
t 33
INT-IE0H
50 t_p(DTK)
t 51
p(INT-DTK)
52 t_v(DTK)
52A t_h(DTK)
t 53
v(INT-DTK)
94 t₉₄
Limit Values Unit
min. max.
25
ns
30
ns
60
ns
35
ns
10
ns
40
ns
10
ns
100
ns
Note: 27A and 52A are not tested in production
94 tbd in 5.95
Semiconductor Group
231