¡ Semiconductor
ML9040-Axx/-Bxx
Switching Characteristics
• Timing for input from the CPU
Parameter
R/W and RS setup time
E "H" pulse width
R/W and RS hold time
E rise time
E fall time
E "L" pulse width
E cycle time
DB0 to DB7 input data setup time
DB0 to DB7 input data hold time
Symbol
tB
tW
tA
tr
tf
tL
tC
tI
tH
(VDD = 4.5 to 5.5V, Ta = –20 to +75°C)
Min.
Typ.
Max.
Unit
140
—
—
ns
280
—
—
ns
10
—
—
ns
—
—
100
ns *
—
—
100
ns *
280
—
—
ns
667
—
—
ns
180
—
—
ns
10
—
—
ns
* Values of tr and tf are design specification and are actually determined after sample
evaluation.
R/W
RS
E
DB0 - DB7
VIL1
VIL1
VVIIHL11
VVIIHL11
tB
tW
tA
tL
VIL1
VIH1
VIH1
VIL1
VIL1
tr
tf
tI
tH
VVIIHL11 Input data VVIIHL11
tC
11