UPD77018A NEC, UPD77018A Datasheet - Page 48

• Manufacturer Part Number: UPD77018A
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

48
Host Interface
Required Timing Condition
Switching Characteristics
HRD delay time
HRD width
HCS, HA0, HA1 read hold time
HCS, HA0, HA1 write hold time
HRD, HWR recovery time
HWR delay time
HWR width
HWR hold time
HWR setup time
HRE, HWE output delay time
HRE, HWE hold time
HRD valid time
HRD hold time
Parameters
Parameters
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
dHR
wHR
hHCAR
hHCAW
recHS
dHW
wHW
hHDW
suHDW
dHE
hHE
vHDR
hHDR
Conditions
Conditions
MIN.
MIN.
2t
2t
2t
20
0
0
0
0
0
0
cC
cC
cC
TYP.
TYP.
PD77018A, 77019
MAX.
MAX.
30
30
30
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns