EDD5104ABTA, EDD5108ABTA
Pin Capacitance (TA = +25°C, VDD, VDDQ = 2.5V ± 0.2V)
Parameter
Symbol
CI1
Pins
min.
2.0
2.0
—
Typ
—
—
—
—
—
—
max.
3.0
3.0
0.25
0.5
5
Unit
pF
pF
pF
pF
pF
pF
Notes
Input capacitance
CK, /CK
1
CI2
All other input pins
CK, /CK
1
Delta input capacitance
Cdi1
Cdi2
CI/O
Cdio
1
All other input-only pins
DQ, DM, DQS
DQ, DM, DQS
—
1
Data input/output capacitance
Delta input/output capacitance
4.0
—
1, 2,
1
0.5
Notes: 1. These parameters are measured on conditions: f = 100MHz, VOUT = VDDQ/2, ∆VOUT = 0.2V,
TA = +25°C.
2. DOUT circuits are disabled.
AC Characteristics (TA = 0 to +70°C, VDD, VDDQ = 2.5V ± 0.2V, VSS, VSSQ = 0V)
-6B
-7A
-7B
min.
max.
12
min.
max
12
min.
max.
12
Parameter
Clock cycle time
(CL = 2)
Symbol
tCK
Unit
ns
Notes
10
7.5
7.5
10
(CL = 2.5)
tCK
tCH
tCL
6
12
7.5
12
7.5
12
ns
CK high-level width
CK low-level width
0.45
0.55
0.55
0.45
0.55
0.55
0.45
0.55
0.55
tCK
tCK
0.45
0.45
0.45
min
min
min
CK half period
tHP
—
—
—
tCK
ns
(tCH, tCL)
(tCH, tCL)
(tCH, tCL)
DQ output access time from
CK, /CK
tAC
–0.7
0.7
–0.75
0.75
–0.75
0.75
2, 11
DQS output access time from CK,
tDQSC
K
tDQSQ
–0.6
—
0.6
–0.75
—
0.75
0.5
–0.75
—
0.75
0.5
ns
2, 11
3
/CK
DQS to DQ skew
0.45
ns
ns
ns
DQ/DQS output hold time from DQS tQH
tHP – tQHS —
tHP – tQHS —
tHP – tQHS —
Data hold skew factor
tQHS
—
0.55
—
0.75
—
0.75
Data-out high-impedance time from
tHZ
tLZ
–0.7
0.7
0.7
–0.75
0.75
0.75
–0.75
0.75
0.75
ns
ns
5, 11
6, 11
CK, /CK
Data-out low-impedance time from
CK, /CK
–0.7
–0.75
–0.75
Read preamble
tRPRE 0.9
tRPST 0.4
1.1
0.6
—
0.9
0.4
0.5
0.5
1.75
1.1
0.6
—
0.9
0.4
0.5
0.5
1.75
1.1
0.6
—
tCK
tCK
ns
Read postamble
DQ and DM input setup time
DQ and DM input hold time
DQ and DM input pulse width
tDS
tDH
0.45
0.45
8
8
7
—
—
—
ns
tDIPW 1.75
—
—
—
ns
tWPRE
S
Write preamble setup time
0
—
0
—
0
—
ns
Write preamble
Write postamble
tWPRE 0.25
—
0.25
0.4
—
0.25
0.4
—
tCK
tCK
tWPST 0.4
0.6
0.6
0.6
9
Write command to first DQS latching
transition
tDQSS 0.75
1.25
0.75
1.25
0.75
1.25
tCK
DQS falling edge to CK setup time
tDSS
0.2
0.2
—
—
—
0.2
—
—
—
—
0.2
—
—
—
—
tCK
tCK
tCK
tCK
DQS falling edge hold time from CK tDSH
0.2
0.2
DQS input high pulse width
DQS input low pulse width
tDQSH 0.35
tDQSL 0.35
0.35
0.35
0.35
0.35
Preliminary Data Sheet E0237E30 (Ver. 3.0)
6
ELPIDA [ ELPIDA MEMORY ]
