UPD98405 Datasheet, PDF (47/64 Pages) NEC – 155M ATM INTEGRATED SAR CONTROLLER

DMA read 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
RDY_B setup time
RDY_B hold time
Data setup time
Data hold time
PAR setup time
PAR hold time
Symbol
tDATTN
tSGNT
tHGNT
tDDRW
tDSIZE
tDSADD
tFSADD
tDSBE
tFSBE
tDPAR2
tSRDY
tHRDY
tSSDAT
tHSDAT
tSPAR2
tHPAR2
Condition
µPD98405
MIN.
8
3
2
2
2
2
8
3
8
3
8
3
TYP.
MAX.
18
18
18
18
18
18
18
18
Unit
ns
ns
ns
ns *
ns *
ns
ns *
ns
ns *
ns
ns
ns
ns
ns
ns
ns
Data Sheet S12689EJ2V0DS00
47