FEDL9042-01
OKI Semiconductor
ML9042-xx
I/O Characteristics
•
Parallel Interface Mode
The timing for the input from the CPU and the timing for the output to the CPU are as shown below:
1) WRITE MODE (Timing for input from the CPU)
(VDD = 2.7 to 4.5 V, Ta = –40 to +85°C)
Parameter
RW/SI, RS0/CSB, RS1 Setup Time
E/SHTB Pulse Width
Symbol
Min.
40
Typ.
—
—
—
—
—
—
—
—
—
Max.
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
tB
tW
tA
tr
450
10
—
RW/SI, RS0/CSB, RS1 Hold Time
E/SHTB Rise Time
—
—
125
125
—
E/SHTB Fall Time
tf
—
E/SHTB Pulse Width
tL
tC
tI
430
1000
195
10
E/SHTB Cycle Time
—
DB0(SO) to DB7 Input Data Setup Time
DB0(SO) to DB7 Input Data Hold Time
—
tH
—
(VDD = 4.5 to 5.5 V, Ta = –40 to +85°C)
Parameter
RW/SI, RS0/CSB, RS1 Setup Time
E/SHTB Pulse Width
Symbol
Min.
40
Typ.
—
—
—
—
—
—
—
—
—
Max.
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
tB
tW
tA
tr
220
10
—
RW/SI, RS0/CSB, RS1 Hold Time
E/SHTB Rise Time
—
—
125
125
—
E/SHTB Fall Time
tf
—
E/SHTB Pulse Width
tL
tC
tI
220
500
60
E/SHTB Cycle Time
—
DB0(SO) to DB7 Input Data Setup Time
DB0(SO) to DB7 Input Data Hold Time
—
tH
10
—
VIH
VIL
VIH
RS1, RS0/CSB
VIL
RW/SI
VIL
tA
VIL
tr
tf
tB
tW
tL
VIH
VIH
E/SHTB
VIL
VIL
VIL
tH
tI
Input
Data
VIH
VIL
VIH
VIL
DB0(SO) to DB7
tC
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