MB86330 Datasheet, PDF (38/46 Pages) Fujitsu Component Limited. – 16-bit Fixed-point DSP

MB86330
5. AC Characteristics
(1) ERAM Interface
SCKOUT
EA [15 : 0]
XEREQ
XERD
XEWR
tDEA
tFREQ
tWRD
tDRD
tWWR
tHEA
tRREQ
tDWR
ED [15 : 0]
in
valid
out
valid
tSDRD
tHDRD
tDDWR
tHDWR
Note: During a wait, the state indicated by double lines above is held for a wait cycle.
Parameter
EA output delay
EA hold time
XEREQ falling delay
XEREQ rising delay
XERD rising delay
XERD “L” pulse width
XEWR rising delay
XEWR “L” pulse width
ED setup time for XERD
ED hold time for XERD
ED delay time for XEWR
ED hold time for XEWR
Symbol
tDEA
tHEA
tFREQ
tRREQ
tDRD
tWRD
tDWR
tWWR
tSDRD (in)
tHDRD (in)
tDDWR (out)
tHDWR (out)
(VDD = 3.0 V to 3.6 V, TA = 0°C to +40°C, output pin load = 50 pF)
Value
Pin name
Unit
Min.
Typ.
Max.
EA
—
—
6.2
ns
EA
2.6
—
—
ns
XEREQ
—
—
5.5
ns
XEREQ
—
—
4.2
ns
XERD
—
—
1.0
ns
XERD
5.8
—
—
ns
XEWR
—
—
2.5
ns
XEWR
4.2
—
—
ns
ED
10.3
—
—
ns
ED
1.5
—
—
ns
ED
—
—
8.5
ns
ED
0.3
—
—
ns
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