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LC321664AJ Datasheet(PDF) 6 Page - Sanyo Semicon Device

Part # LC321664AJ
Description  1 MEG (65536 words X 16 bits) DRAM Fast Page Mode, Byte Write
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC321664AJ Datasheet(HTML) 6 Page - Sanyo Semicon Device

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LC321664AJ, AM, AT-80
No. 4795-6/30
Continued from preceding page.
Parameter
Symbol
min
max
Unit
Note
Write command to RAS lead time
tRWL
20
ns
Write command to CAS lead time
tCWL
20
ns
Data input setup time
tDS
0
ns
12
Data input hold time
tDH
20
ns
12
Data input hold time
tDHR
60
ns
referenced to RAS
Refresh period
tREF
4
ms
Write command setup time
tWCS
0
ns
13
CAS to UW, LW delay time
tCWD
50
ns
13
RAS to UW, LW delay time
tRWD
100
ns
13
Column address to UW, LW
tAWD
65
ns
13
delay time
CAS precharge to UW, LW delay
tCPWD
70
ns
13
time (fast page mode cycle only)
CAS setup time for
tCSR
10
ns
CAS-before-RAS refresh
CAS hold time for
tCHR
15
ns
CAS-before-RAS refresh
RAS precharge time to
tRPC
10
ns
CAS active time
CAS precharge time for
tCPT
40
ns
CAS-before-RAS counter test
RAS hold time referenced to OE
tROH
15
ns
OE access time
tOEA
25
ns
9
OE delay time
tOED
15
ns
OE to output buffer turn-off
tOEZ
0
15
ns
10
delay time
OE command hold time
tOEH
20
ns
Data input to CAS delay time
tDZC
0
ns
16
Data input to OE delay time
tDZO
0
ns
16
Masked write setup time
tMCS
0
ns
Masked write hold time
tMRH
0
ns
referenced to RAS
Masked write hold time
tMCH
0
ns
referenced to CAS
Input/Output Capacitance at Ta = 25°C, f = 1 MHz, VCC = 5 V ± 10%
Parameter
Symbol
min
max
Unit
Input capacitance
CIN
7
pF
(A0 to A7, RAS, CAS, UW, LW, OE)
I/O capacitance (I/O1 to I/O16)
CI/O
7
pF


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