UPD98405 Datasheet, PDF (45/64 Pages) NEC – 155M ATM INTEGRATED SAR CONTROLLER

DMA write access
Parameter
CLK ↑→ ATTN_B delay time
GNT_B setup time
GNT_B hold time
CLK ↑→ DR/W_B delay time
CLK ↑→ SIZE delay time
CLK ↑→ address delay time
CLK ↑→ address/data float time
CLK ↑→ BE_B delay time
CLK ↑→ BE_B float time
CLK ↑→ PAR delay time
CLK ↑→ PAR float time
RDY_B setup time
RDY_B hold time
Symbol
tDATTN
tSGNT
tHGNT
tDDRW
tDSIZE
tDSADD
tFSADD
tDSBE
tFSBE
tDPAR2
tFPAR2
tSRDY
tHRDY
Condition
µPD98405
MIN.
8
3
2
2
2
2
2
8
3
TYP.
MAX.
18
18
18
18
18
18
18
18
18
Unit
ns
ns
ns
ns *
ns *
ns
ns *
ns
ns *
ns
ns *
ns
ns
Data Sheet S12689EJ2V0DS00
45