EDD1232ACBH ELPIDA [Elpida Memory], EDD1232ACBH Datasheet - Page 7

• Manufacturer Part Number: EDD1232ACBH
• Description: 128M bits DDR SDRAM
• Manufacturer: ELPIDA [Elpida Memory]

Pin Capacitance (TA = +25°C, VDD, VDDQ = 2.5V 0.125V/+0.2V)
Notes: 1. These parameters are measured on conditions:
AC Characteristics (TA = 0 C to +70 C, VDD, VDDQ = 2.5V 0.125V/+0.2V, VSS, VSSQ = 0V)
Parameter
Clock cycle time
CK high-level width
CK low-level width
CK half period
DQ output access time from
DQS output access time from
DQS to DQ skew
DQ/DQS output hold time from
Data-out high-impedance time
Data-out low-impedance time
Read preamble
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 hold time
Write postamble
Write command to first DQS latching transition
DQS falling edge to CK setup time
DQS falling edge hold time from CK
DQS input high pulse width
DQS input low pulse width
Address and control input setup time
Address and control input hold time
Address and control input pulse width
Parameter
Input capacitance
Data input/output capacitance
Data Sheet E1202E20 (Ver.2.0)
CK, /CK
CK, /CK
DQS
from CK, /CK
from CK, /CK
166MHz < Operating frequency ≤ 200MHz
Operating frequency ≤ 166MHz
166MHz < Operating frequency ≤ 200MHz
Operating frequency ≤ 166MHz
166MHz < Operating frequency ≤ 200MHz
Operating frequency ≤ 166MHz
2. DOUT circuits are disabled.
TA = +25 C.
CI/O
Symbol
CI1
CI2
Pins
CK, /CK
All other input pins
DQ, DM, DQS
Symbol
tCK
tCH
tCL
tHP
tAC
tDQSCK
tDQSQ
tQH
tHZ
tLZ
tRPRE
tRPST
tDS
tDH
tDIPW
tWPRES
tWPREH
tWPST
tDQSS
tDQSS
tDSS
tDSH
tDQSH
tDQSH
tDQSL
tDQSL
tIS
tIH
tIPW
-5B
5
0.45
0.45
min
(tCH, tCL)
–0.7
–0.7
—
–0.7
0.9
0.4
0.45
0.45
1.75
0
0.25
0.4
0.8
0.75
0.2
0.2
0.4
0.35
0.4
0.35
1.0
1.0
2.2
min.
—
tHP – 0.45
7
f = 100MHz, VOUT = VDDQ/2,
min.
1
1
1
max.
12
0.55
0.55
—
0.7
0.7
0.45
—
0.7
0.7
1.1
0.6
—
—
—
—
—
0.6
1.2
1.25
—
—
—
—
—
—
—
—
—
typ.
—
—
—
max.
5
4
6
EDD1232ACBH
Unit
ns
tCK
tCK
tCK
ns
ns
ns
ns
ns
ns
tCK
tCK
ns
ns
ns
ns
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
ns
ns
ns
Unit
pF
pF
pF
VOUT = 0.2V,
Notes
10
2, 11
2, 11
3
5, 11
6, 11
8
8
7
9
8
8
7
Notes
1
1
1, 2