EBD52UC8AKFA-5-E
Pin Capacitance (TA = 25°C, VDD = 2.6V ± 0.1V)
Parameter
Symbol
CI1
Pins
max.
90
Unit
pF
Note
Address, /RAS, /CAS, /WE,
/CS, CKE
CK, /CK
Input capacitance
Input capacitance
CI2
60
pF
Data and DQS input/output
capacitance
CO
DQ, DQS, DM
15
pF
AC Characteristics (TA = 0 to +70°C, VDD, VDDQ = 2.6V ± 0.1V, VSS = 0V)
(DDR SDRAM Component Specification)
-5B
min.
5
-5C
min.
5
Parameter
Symbol
tCK
max.
8
max.
8
Unit
ns
Notes
Clock cycle time
CK high-level width
CK low-level width
10
tCH
0.45
0.45
0.55
0.55
0.45
0.45
0.55
0.55
tCK
tCK
tCL
min
(tCH, tCL)
min
(tCH, tCL)
CK half period
tHP
—
—
tCK
DQ output access time from CK, /CK
DQS output access time from CK, /CK
DQS to DQ skew
tAC
–0.7
0.7
0.55
0.4
—
–0.7
0.7
0.55
0.4
—
ns
ns
ns
ns
ns
2, 11
2, 11
3
tDQSCK
tDQSQ
tQH
–0.55
–0.55
—
—
DQ/DQS output hold time from DQS
tHP – tQHS
—
tHP – tQHS
—
Data hold skew factor
tQHS
0.5
0.5
Data-out high-impedance time
from CK, /CK
Data-out low-impedance time
from CK, /CK
tHZ
tLZ
—
0.7
0.7
—
0.7
0.7
ns
ns
5, 11
6, 11
–0.7
–0.7
Read preamble
tRPRE
tRPST
tDS
0.9
0.4
0.4
0.4
1.75
0
1.1
0.6
—
0.9
0.4
0.4
0.4
1.75
0
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
Write preamble setup time
Write preamble
8
8
7
tDH
—
—
ns
tDIPW
tWPRES
tWPRE
tWPST
—
—
ns
—
—
ns
0.25
0.4
—
0.25
0.4
—
tCK
tCK
Write postamble
0.6
0.6
9
Write command to first DQS latching
transition
tDQSS
0.72
1.28
0.72
1.28
tCK
DQS falling edge to CK setup time
DQS falling edge hold time from CK
DQS input high pulse width
tDSS
tDSH
tDQSH
tDQSL
tIS
0.2
0.2
0.35
0.35
0.6
0.6
2.2
2
—
0.2
0.2
0.35
0.35
0.6
0.6
2.2
2
—
—
—
—
—
—
—
—
tCK
tCK
tCK
tCK
ns
—
—
DQS input low pulse width
—
Address and control input setup time
Address and control input hold time
Address and control input pulse width
Mode register set command cycle time
Active to Precharge command period
—
8
8
7
tIH
—
ns
tIPW
tMRD
tRAS
—
ns
—
tCK
ns
40
120000
40
120000
Active to Active/Auto refresh command
period
tRC
55
—
60
—
ns
Preliminary Data Sheet E0601E10 (Ver. 1.0)
12
ELPIDA [ ELPIDA MEMORY ]
