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EBE10RD4ABFA View Datasheet(PDF) - Elpida Memory, Inc

Part Name
Description
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EBE10RD4ABFA
Elpida
Elpida Memory, Inc Elpida
EBE10RD4ABFA Datasheet PDF : 22 Pages
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EBE10RD4ABFA
AC Characteristics (TC = 0 to +85°C, VDD, VDDQ = 1.8V ± 0.1V, VSS = 0V)
(DDR2 SDRAM Component Specification)
-5C
Frequency (Mbps)
533
Parameter
/CAS latency
Symbol min.
CL
4
Active to read or write command delay tRCD 15
Precharge command period
Active to active/auto refresh command
time
DQ output access time from CK, /CK
DQS output access time from CK, /CK
CK high-level width
tRP
15
tRC
55
tAC
500
tDQSCK 450
tCH
0.45
CK low-level width
CK half period
Clock cycle time
tCL
0.45
tHP
min.
(tCL, tCH)
tCK
3750
DQ and DM input hold time
tDH
225
DQ and DM input setup time
tDS
Control and Address input pulse width
for each input
DQ and DM input pulse width for each
input
tIPW
tDIPW
Data-out high-impedance time from
CK,/CK
tHZ
Data-out low-impedance time from
CK,/CK
tLZ
DQS-DQ skew for DQS and associated
DQ signals
tDQSQ
DQ hold skew factor
tQHS
DQ/DQS output hold time from DQS
Write command to first DQS latching
transition
tQH
tDQSS
DQS input high pulse width
tDQSH
100
0.6
0.35
tAC min.
tHP – tQHS
WL 0.25
0.35
DQS input low pulse width
tDQSL 0.35
DQS falling edge to CK setup time
tDSS 0.2
DQS falling edge hold time from CK tDSH 0.2
Mode register set command cycle time tMRD 2
Write preamble setup time
tWPRES 0
Write postamble
tWPST 0.4
Write preamble
tWPRE 0.25
Address and control input hold time tIH
375
Address and control input setup time tIS
250
Read preamble
tRPRE 0.9
Read postamble
tRPST 0.4
Active to precharge command
tRAS 40
Active to auto-precharge delay
tRAP tRCD min.
max.
5
+500
+450
0.55
0.55
8000
-4A
400
min.
3
15
15
55
600
500
0.45
0.45
min.
(tCL, tCH)
5000
275
150
0.6
0.35
tAC max.
tAC max. tAC min.
300
400
tHP – tQHS
WL + 0.25 WL 0.25
0.6
1.1
0.6
70000
0.35
0.35
0.2
0.2
2
0
0.4
0.25
475
350
0.9
0.4
40
tRCD min.
max.
5
+600
+500
0.55
0.55
8000
tAC max.
tAC max.
350
450
WL + 0.25
0.6
1.1
0.6
70000
Unit Notes
tCK
ns
ns
ns
ps
ps
tCK
tCK
ps
ps
ps 5
ps 4
tCK
tCK
ps
ps
ps
ps
ps
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
ps 5
ps 4
tCK
tCK
ns
ns
Data Sheet E0366E70 (Ver. 7.0)
15
 

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