UPD77015GC NEC, UPD77015GC Datasheet - Page 38
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UPD77015GC
Manufacturer Part Number
UPD77015GC
Description
16 bits/ Fixed-point Digital Signal Processor
Manufacturer
NEC
Datasheet
1.UPD77015GC.pdf
(60 pages)
- Current page: 38 of 60
- Download datasheet (425Kb)
External Data Memory Access
Required Timing Condition
Switching Characteristics
Note t
External Data Memory Access Timing (Read)
38
Read data setup time
Read data hold time
WAIT setup time
WAIT hold time
Address output delay time
Address output hold time
MRD output delay time
MRD hold time
Write data output valid time
Write data output hold time
MWR output delay time
MWR setup time
MWR low level width
MWR high level width
CLKOUT
D0 - D15
DA0 -
DA13,
WAIT
MRD
cDW
X/Y
: Data wait cycle
Parameters
Parameters
t
suWA
t
dDA
t
dDR
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
suDDRD
hDDRD
suWA
hWA
dDA
hDA
dDR
hDR
vDDWD
hDDWD
dDW
suDW
wDWL
wDWH
t
hWA
Conditions
Conditions
t
suWA
0.25t
+ t
0.5t
0.5t
MIN.
MIN.
cDW
t
15
12
hWA
cC
cC
0
0
0
0
0
0
cC
Note
– 3
– 5
– 5
PD77015, 77017, 77018
TYP.
TYP.
t
suDDRD
t
t
hDA
hDR
t
MAX.
MAX.
hDDRD
16
8
8
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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