參數(shù)資料
型號(hào): UPD488448FB-C80-45-DQ1
廠商: NEC Corp.
英文描述: 128 M-bit Direct Rambus⑩ DRAM
中文描述: 128 M位DRAM的直接Rambus的⑩
文件頁數(shù): 56/80頁
文件大?。?/td> 1902K
代理商: UPD488448FB-C80-45-DQ1
Data Sheet M14837EJ3V0DS00
56
μ
PD488448 for Rev. P
26. Electrical Conditions
Electrical Conditions
Symbol
Parameter and Conditions
MIN.
MAX.
Unit
Tj
Junction temperature under bias
100
°
C
V
DD,
V
DDa
Supply voltage
2.50
0.13
2.50
+
0.13
V
V
DD
,
N
,V
DDa
,
N
Supply voltage droop (DC) during NAP interval (t
NLIMT
)
2.0
%
V
DD
,
N
,V
DDa
,
N
Supply voltage ripple (AC) during NAP interval (t
NLIMT
)
–2.0
+2.0
%
V
CMOS
Supply voltage for CMOS pins (2.5V controllers)
2.50
0.13
2.50
+
0.25
V
Supply voltage for CMOS pins (1.8V controllers)
1.80
0.1
1.80
+
0.2
V
V
TERM
Termination voltage
1.80 – 0.1
1.80 + 0.1
V
V
REF
Reference voltage
1.40
0.2
1.40
+
0.2
V
V
DIL
RSL data input - low voltage
V
REF
0.5
V
REF
0.2
V
V
DIH
RSL data input - high voltage
V
REF
+
0.2
V
REF
+
0.5
V
V
DIS
RSL data input swing : V
DIS
= V
DIH
– V
DIL
0.4
1.0
V
A
DI
RSL data asymmetry : A
DI
= [(V
DIH
– V
REF
) + (V
DIL
– V
REF
)] / V
DIS
0
–20
%
V
X
RSL clock input - crossing point of true and complement signals
1.3
1.8
V
V
CM
RSL clock input - common mode V
CM
= (V
CIH
+ V
CIL
) / 2
1.4
1.7
V
V
CIS, CTM
RSL clock input swing : V
CIS
= V
CIH
– V
CIL
(CTM, CTMN pins).
0.35
0.70
V
V
CIS, CFM
RSL clock input swing : V
CIS
= V
CIH
– V
CIL
(CFM, CFMN pins).
0.125
0.70
V
V
IL, CMOS
CMOS input low voltage
0.3
+ (V
CMOS
/ 2–
0.25)
V
V
IH, CMOS
CMOS input high voltage
V
CMOS
/ 2+0.25
V
CMOS
+
0.3
V
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