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PDF LC321664AT-80 Datasheet ( Hoja de datos )

Número de pieza LC321664AT-80
Descripción 1 MEG (65536 words X 16 bits) DRAM Fast Page Mode / Byte Write
Fabricantes Sanyo 
Logotipo Sanyo Logotipo
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LC321664AT-80 datasheet

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LC321664AT-80 pdf
LC321664AJ, AM, AT-80
AC Electrical Characteristics at Ta = 0 to +70°C, VCC = 5 V ± 10% (Note 6, 7, 8)
Parameter
Symbol
min
max
Random read or
write cycle time
tRC
135
Read-write/read-modify-write
cycle time
tRWC
180
Fast page mode cycle time
Fast page mode
Read-write/read-modify-
write cycle time
tPC
tPRWC
55
100
RAS access time
tRAC
80
CAS access time
Column address access time
CAS precharge access time
Output low-impedance
time from CAS low
Output buffer turn-off delay time
Rise or fall time
RAS precharge time
RAS pulse width
RAS pulse width for
fast page mode only
RAS hold time
CAS hold time
CAS pulse width
RAS to CAS delay time
RAS to column address delay time
CAS to RAS precharge time
CAS precharge time
Row address setup time
Row address hold time
Column address setup time
Column address hold time
Column address hold time
referenced to RAS
Column address to RAS lead time
Read command setup time
Read command hold time
referenced to CAS
Read command hold time
referenced to RAS
Write command hold time
Write command hold time
referenced to RAS
Write command pulse width
tCAC
tAA
tCPA
tCLZ
tOFF
tT
tRP
tRAS
tRASP
tRSH
tCSH
tCAS
tRCD
tRAD
tCRP
tCP
tASR
tRAH
tASC
tCAH
tAR
tRAL
tRCS
tRCH
tRRH
tWCH
tWCR
tWP
0
0
3
45
80
80
30
80
30
25
17
10
10
0
12
0
20
60
45
0
0
0
15
60
15
30
45
50
20
50
10000
100000
10000
50
35
Unit Note
ns
ns
ns
ns
9, 14
ns 15
ns 9, 14
ns 9, 15
ns 9
ns 9
ns 10
ns
ns
ns
ns
ns
ns
ns
ns 14
ns 15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns 11
ns 11
ns
ns
ns
Continued on next page.
No. 4795-5/30

5 Page

LC321664AT-80 arduino
Upper Byte Early Write Cycle
LC321664AJ, AM, AT-80
No. 4795-10/30

10 Page





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