參數(shù)資料
型號(hào): EDD5116AFTA-6B-E
廠商: ELPIDA MEMORY INC
元件分類(lèi): DRAM
英文描述: 512M bits DDR SDRAM
中文描述: 32M X 16 DDR DRAM, 0.7 ns, PDSO66
封裝: ROHS COMPLIANT, PLASTIC, TSOP2-66
文件頁(yè)數(shù): 6/49頁(yè)
文件大?。?/td> 567K
代理商: EDD5116AFTA-6B-E
EDD5108AFTA, EDD5116AFTA
Data Sheet E0699E20 (Ver. 2.0)
6
Pin Capacitance (TA = +25°C, VDD, VDDQ = 2.5V ± 0.2V)
Parameter
Symbol
Pins
min.
typ.
max.
Unit
Notes
Input capacitance
CI1
CK, /CK
2.0
3.0
pF
1
CI2
All other input pins
2.0
3.0
pF
1
Delta input capacitance
Cdi1
CK, /CK
0.25
pF
1
Cdi2
All other input-only pins
0.5
pF
1
Data input/output capacitance
CI/O
DQ, DM, DQS
4.0
5
pF
1, 2,
Delta input/output capacitance
Notes: 1. These parameters are measured on conditions: f = 100MHz, VOUT = VDDQ/2,
VOUT = 0.2V,
TA = +25
°
C.
2. DOUT circuits are disabled.
Cdio
DQ, DM, DQS
0.5
pF
1
AC Characteristics (TA = 0
°
C to +70
°
C, VDD, VDDQ = 2.5V ± 0.2V, VSS, VSSQ = 0V)
-6B
-7A
-7B
Parameter
Clock cycle time
(CL = 2)
Symbol
min.
max.
min.
max
min.
max.
Unit Notes
tCK
7.5
12
7.5
12
10
12
ns
10
(CL = 2.5)
tCK
6
12
7.5
12
7.5
12
ns
CK high-level width
tCH
0.45
0.55
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
0.45
0.55
0.45
0.55
0.45
0.55
tCK
CK half period
tHP
min
(tCH, tCL)
min
(tCH, tCL)
min
(tCH, tCL)
tCK
DQ output access time from CK, /CK tAC
–0.7
0.7
–0.75
0.75
–0.75
0.75
ns
2, 11
DQS output access time from CK,
/CK
tDQSCK –0.6
0.6
–0.75
0.75
–0.75
0.75
ns
2, 11
DQS to DQ skew
tDQSQ
0.45
0.5
0.5
ns
3
DQ/DQS output hold time from DQS tQH
tHP – tQHS —
tHP – tQHS —
tHP – tQHS —
ns
Data hold skew factor
tQHS
0.55
0.75
0.75
ns
Data-out high-impedance time from
CK, /CK
Data-out low-impedance time from
CK, /CK
tHZ
–0.7
0.7
–0.75
0.75
–0.75
0.75
ns
5, 11
tLZ
–0.7
0.7
–0.75
0.75
–0.75
0.75
ns
6, 11
Read preamble
tRPRE
0.9
1.1
0.9
1.1
0.9
1.1
tCK
Read postamble
tRPST
0.4
0.6
0.4
0.6
0.4
0.6
tCK
DQ and DM input setup time
tDS
0.45
0.5
0.5
ns
8
DQ and DM input hold time
tDH
0.45
0.5
0.5
ns
8
DQ and DM input pulse width
tDIPW
1.75
1.75
1.75
ns
7
Write preamble setup time
tWPRES 0
0
0
ns
Write preamble
tWPRE
0.25
0.25
0.25
tCK
Write postamble
tWPST
0.4
0.6
0.4
0.6
0.4
0.6
tCK 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
tCK
DQS falling edge hold time from CK tDSH
0.2
0.2
0.2
tCK
DQS input high pulse width
tDQSH
0.35
0.35
0.35
tCK
DQS input low pulse width
tDQSL
0.35
0.35
0.35
tCK
Address and control input setup time tIS
0.75
0.9
0.9
ns
8
Address and control input hold time
tIH
0.75
0.9
0.9
ns
8
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