MB90580C_09 Datasheet, PDF (88/112 Pages) Fujitsu Component Limited. – 16-bit Proprietary Microcontroller

MB90580C Series
(5) Bus Timing (Read)
Parameter
Symbol
ALE pulse width
Effective address →
ALE ↓ time
ALE ↓ → address
effective time
Effective address →
RD ↓ time
Effective address →
valid data input
RD pulse width
RD ↓ → valid data
input
RD ↑ → data hold
time
RD ↑ → ALE ↑ time
RD ↑ → address
effective time
Effective address →
CLK ↑ time
RD ↓ → CLK ↑ time
ALE ↓ → RD ↓ time
tLHLL
tAVLL
tLLAX
tAVRL
tAVDV
tRLRH
tRLDV
tRHDX
tRHLH
tRHAX
tAVCH
tRLCH
tLLRL
(VCC = 5.0 V±10%, VSS = AVSS = 0.0 V, TA = −40 °C to +85 °C)
Pin name
Condition
Value
Min
Max
Unit Remarks
ALE
tCP/2 − 20
⎯
ns
ALE, A23 to A16,
AD15 to AD00
tCP/2 − 20
⎯
ns
ALE, AD15 to AD00
tCP/2 − 15
⎯
ns
A23 to A16,
AD15 to AD00, RD
A23 to A16,
AD15 to AD00
RD
RD, AD15 to AD00
tCP − 15
⎯
ns
⎯
5 tCP/2 − 60 ns
3 tCP/2 − 20
⎯
ns
⎯
⎯
3 tCP/2 − 60 ns
RD, AD15 to AD00
RD, ALE
ALE, A23 to A16
A23 to A16,
AD15 to AD00, CLK
RD, CLK
ALE, RD
0
⎯
ns
tCP/2 − 15
⎯
ns
tCP/2 − 10
⎯
ns
tCP/2 − 20
⎯
ns
tCP/2 − 20
⎯
ns
tCP/2 − 15
⎯
ns
88
DS07-13710-7E