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