¡ Semiconductor
ML9041
Switching Characteristics (The following ratings are subject to change after ES evaluation.)
• Parallel Interface Mode
The timing for the input from the CPU (see 1) and the timing for the output to the CPU (see 2)
are as shown below:
1) WRITE MODE (Timing for input from the CPU)
Parameter
R/W, RS0, RS1 Setup time
E Pulse Width
R/W, RS0, RS1 Hold time
E Rise Time
E Fall Time
E Pulse Width
E Cycle Time
DB0 to DB7 Input Data Hold time
DB0 to DB7 Input Data Setup time
Symbol
tB
tW
tA
tr
tf
tL
tC
tI
tH
(VDD = 2.5 to 5.5V, Ta = –40 to +85°C)
Min
Typ
Max
Unit
40
—
—
ns
450
—
—
ns
10
—
—
ns
—
—
25
ns
—
—
25
ns
430
—
—
ns
1000
—
—
ns
195
—
—
ns
10
—
—
ns
RS1, RS0
VIH
VIL
VIH
VIL
R/W
E
DB0 to DB7
VIL
tB
tr
tL
VIH
VIL
VIL
tc
tW
tf
VIH
tI
VIH Input
VIL Data
VIL
tA
VIL
tH
VIH
VIL
12/54