M66222FP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
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M66222FP Datasheet PDF : 8 Pages
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MITSUBISHI 〈DIGITAL ASSP〉
M66222SP/FP
128 × 8-BIT × 2 MAIL-BOX
SWITCHING CHARACTERISTICS (Ta = 0 ~ 70°C, VCC = 5V±10%, unless otherwise noted)
Read cycle
Symbol
Parameter
Min.
tCR
Read cycle time
70
ta(A)
Address access time
ta(CS)
Chip select access time
ta(OE)
Output enable access time
tdis(CS)
Output disable time after CS (Note 5)
tdis(OE)
Output disable time after OE (Note 5)
ten(CS)
Output enable time after CS (Note 5)
5
ten(OE)
Output enable time after OE (Note 5)
5
tv(A)
Data effective time after Address
10
Limits
Typ.
Unit
Max.
ns
70
ns
70
ns
35
ns
35
ns
35
ns
ns
ns
ns
TIMING REQUIREMENTS (Ta = 0 ~ 70°C, VCC = 5V±10%, unless otherwise noted)
Write cycle
Symbol
Parameter
Limits
Min.
Typ.
tCW
Write cycle time
70
tw(WE)
Write pulse width
45
tsu(A)1
Address setup time (for WE)
0
tsu(A)2
Address setup time (for CS)
0
tsu(A-WEH)
Address setup time for rise of WE
65
tsu(CS)
Chip select setup time
65
tsu(D)
Data setup time
40
th(D)
Data hold time
0
trec(WE)
Write recovery time
0
tdis(WE)
Output disable time after WE (Note 5)
tdis(OE)
Output disable time after OE (Note 5)
ten(WE)
Output enable time after WE (Note 5)
0
ten(OE)
Output enable time after OE (Note 5)
5
Note 5: The time required for the output to change from a steady state to ±500mV under the load conditions shown in Figure 4.
This parameter is guaranteed but is not tested at shipment.
Unit
Max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
35
ns
35
ns
ns
ns
5
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