mb90f345cespfv Fujitsu Microelectronics, Inc., mb90f345cespfv Datasheet - Page 60

• Manufacturer Part Number: mb90f345cespfv
• Description: 16-bit Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

60
MB90340E Series
ALE pulse width
Valid address → ALE ↓ time t
ALE ↓ → Address valid time t
Valid address → RD ↓ time
Valid address → Valid data
input
RD pulse width
RD ↓ → Valid data input
RD ↑ → Data hold time
RD ↓ → ALE ↑ time
RD ↑ → Address valid time
Valid address → CLK ↑ time t
RD ↓ → CLK ↑ time
ALE ↓ → RD ↓ time
(5) Bus Timing (Read)
Parameter
ALE
RD
CLK
A23 to A16
AD15 to AD00
Sym-
t
t
t
t
t
t
t
t
t
t
bol
RHDX
RHAX
AVCH
AVRL
AVDV
RLRH
RLDV
RHLH
RLCH
LHLL
AVLL
LLAX
LLRL
2.4 V
0.8 V
2.4 V
ALE, AD15 to AD00
AD15 to AD00, CLK
AD15 to AD00, RD
RD, AD15 to AD00
RD, AD15 to AD00
ALE, A23 to A16,
RD, A23 to A16
AD15 to AD00
AD15 to AD00
2.4 V
0.8 V
A23 to A16,
A23 to A16,
A23 to A16,
(T
RD, ALE
RD, CLK
ALE, RD
t
AVCH
A
2.4 V
t
ALE
AVLL
= −40 °C to +105 °C, V
Pin
t
RD
LHLL
Address
t
AVRL
2.4 V
0.8 V
t
AVDV
t
LLAX
t
LLRL
Condition
2.4 V
0.8 V

0.8 V
t
2.4 V
RLCH
CC
t
RLDV
= 5.0 V ± 10%, V
3 t
t
t
t
t
t
t
t
t
CP
CP
CP
CP
CP
CP
CP
CP
t
CP
CP
/2 − 10
/2 − 20
/2 − 15
/2 − 15
/2 − 10
/2 − 16
/2 − 15
/2 − 15
Min
/2 − 20


− 15
0
t
RLRH
V
V
IH
IL
Value
5 t
3 t
Read data
CP
CP
Max
SS
2.4 V
/2 − 60
/2 − 50











= 0.0 V, f
t
RHDX
t
2.4 V
0.8 V
t
RHAX
RHLH
2.4 V
Unit Remarks
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CP
V
V
IH
IL
≤ 24 MHz)