MB86616 Ver la hoja de datos (PDF) - Fujitsu
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componentes Descripción
Lista de partido
MB86616 Datasheet PDF : 63 Pages
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MB86616
)
(3) External Bus Interface (Flash ROM Interface)
3-1 Bus Read
Parameter
Address cycle time
Valid address→RD↓
RD “L” level pulse width
RD↓ →Valid data
RD↑→Data hold
Valid address→Valid data
RD↑→Valid address
Symbol Pin name
tACYC
tAVRL
tRLRH
tRLDV
tRHDX
tAVDV
tRHAX
A01 to A18,
CS
A01 to A18,
CS, RD
RD
RD,
D00 to D15
RD,
D00 to D15
A01 to A18,
CS,
D00 to D15
RD,
A01 to A18,
CS
Min.
(Load pin capacitance = 30 pF)
Values
Unit
Max.
(2 + n*) tcyc − 10
ns
tcyc / 2 − 13
ns
(1 + n*) tcyc − 25
ns
(1 + n*)tcyc − 30
ns
0
ns
(3 / 2 + n*)tcyc − 10 ns
tcyc / 2 − 20
ns
*: n is the number of wait cycle.(no wait ; n = 0)
The number of wait cycle is set by external pin control registor.
A01 to A18
CS
RD
D00 to D15
tACYC
tAVRL
tRLRH
tRLDV
tAVDV
tRHAX
tRHDX
25
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