MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 84

• Manufacturer Part Number: MB90F654A
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

84
MB90650A Series
(6) Bus Write Timing
* : For t
Note : V
Valid address
WR pulse width
Valid data output
time
WR
WR
WR
WR
CLK
ALE
WR
(WRL, WRH)
A23 to
A16
D15 to
D00
CP
CC
Parameter
address valid time t
CLK
see “(1) Clock Timing.”
data hold time
ALE
= V
CC
1 = V
time
time
WR
WR
CC
2
time t
Symbol Pin name Condition
t
t
t
t
t
AVWL
WLWH
DVWH
WHDX
WHAX
WHLH
WLCH
2.4 V
0.8 V
2.4 V
0.8 V
Address
A23 to A00
WR
D15 to D00
D15 to D00
A23 to A00
WR, ALE
WR, ALE
t
AVWL
—
—
—
—
—
—
—
0.8 V
(V
2.4 V
0.8 V
CC
t
WLCH
= 2.7 V to 3.6 V, V
3 t
3 t
t
t
t
CP
CP
CP
t
CP
CP
CP
* / 2 – 10
* / 2 – 15
* / 2 – 20
2.4 V
* / 2 – 20
* / 2 – 20
t
Min
* – 15
DVWH
20
t
WLWH
Value
Write data
SS
Max
—
—
—
—
—
—
—
= 0.0 V, T
2.4 V
Unit
ns
ns
ns
ns
ns
ns
ns
t
t
t
A
WHDX
WHLH
WHAX
= –40 C to +85 C)
2.4 V
0.8 V
MASK/FLASH
Remarks
2.4 V
0.8 V
2.4 V