EDE5104GBSA Ver la hoja de datos (PDF) - Elpida Memory, Inc
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componentes Descripción
Fabricante
EDE5104GBSA Datasheet PDF : 56 Pages
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EDE5104GBSA, EDE5108GBSA, EDE5116GBSA
Pin Capacitance (TA = 25°C, VDD, VDDQ = 1.8V ± 0.1V)
Parameter
Symbol Pins
CLK input pin capacitance
Input pin capacitance
CCK
CIN
Input/output pin capacitance
CI/O
Notes: 1. Matching within 0.25pF.
2. Matching within 0.50pF.
CK
/RAS, /CAS,
/WE, /CS,
CKE. ODT,
Address
DQ, DQS, /DQS,
UDQS, /UDQS,
LDQS, /LDQS,
/RDQS, /RDQS,
DM, UDM, LDM
min. Typ
1.5 2.0
1.5 2.0
3.0 3.5
max.
Unit
2.5
pF
2.5
pF
4.0
pF
Notes
1
1
2
AC Characteristics (TA = 0 to +70°C, VDD, VDDQ = 1.8V ± 0.1V, VSS, VSSQ = 0V)
-5A
-4A
Frequency (Mbps)
533
400
Parameter
Symbol min.
max.
min.
max.
DQ output access time from CK, /CK tAC
–500
DQS output access time from CK, /CK tDQSCK –450
CK high-level width
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
350
DQ and DM input setup time
tDS
Control and Address input pulse width
for each input
tIPW
DQ and DM input pulse width for each
input
Data-out high-impedance time from
CK,/CK
tDIPW
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
350
0.6
0.35
tAC min.
DQ/DQS output hold time from DQS
Write command to first DQS latching
transition
DQS input high pulse width
tQH
tDQSS
tDQSH
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
+500
+450
0.55
0.55
8000
tAC max.
tAC max.
300
400
WL + 0.25
0.6
–600
–500
0.45
0.45
min.
(tCL, tCH)
5000
400
400
0.6
+600
+500
0.55
0.55
8000
0.35
tAC max.
tAC min.
tAC max.
350
450
tHP – tQHS
WL – 0.25 WL + 0.25
0.35
0.35
0.2
0.2
2
0
0.4
0.6
0.25
Unit Notes
ps
ps
tCK
tCK
ps
ps
ps
ps
tCK
tCK
ps
ps
ps
ps
ps
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
Preliminary Data Sheet E0249E30 (Ver. 3.0)
7
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