SED1335 データシートの表示（PDF） - Unspecified
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SED1335 Datasheet PDF : 14 Pages
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SED1335
° Display Memory Read Timing
EXTΦ0
VCE
VA0 to VA15
VRD
VD0 to VD7
(SED1335F)
tC
tW
tCE
tASC
tCYR
tAHC
tRCS
tACV
tCEA
tW
tRCH
tCE3
tOH2
Signal
EXT φ0
VCE
VA0 to
VA15
VRD
VD0 to
VD7
Symbol
tC
tW
tCE
tCYR
tASC
tAHC
tRCS
tRCH
tACV
tCEA
tOH2
tCE3
Parameter
VDD = 4.5 to 5.5V VDD = 2.7 to 4.5V
min
max
min
max
Clock period
100
—
125
—
VCE HIGH-level
pulsewidth
tC – 50
—
tC – 50
—
VCE LOW-level
pulsewidth
2tC – 30 — 2tC – 30 —
Read cycle time
3tC
—
3tC
—
Address setup time to
falling edge of VCE
tC – 70
— tC – 100 —
Address hold time from
falling edge of VCE
2tC
–
30
—
2tC – 40
—
Read cycle setup time
to falling edge of VCE
tC – 45
—
tC – 60
—
Read cycle hold time
from rising edge of VCE
0.5tC
—
0.5tC
—
Address access time — 3tC – 100 — 3tC – 115
VCE access time
— 2tC – 80 — 2tC – 90
Output data hold time 0
—
0
—
VCE to data off time
0
—
0
—
Ta = –20 to 75°C
Unit Condition
ns
ns
ns
ns
ns
ns CL = 100 pF
ns
ns
ns
ns
ns
ns
146
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