參數(shù)資料
型號(hào)： K4R271669B-N(M)CK7
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 256K x 16/18 bit x 32s banks Direct RDRAMTM
中文描述： 256 × 16/18位× 32秒銀行直接RDRAMTM
文件頁(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 306K
代理商： K4R271669B-N(M)CK7
Direct RDRAM
Page 10
K4R271669B/K4R441869B
Version 1.11 Oct. 2000
Electrical Conditions
Table 9: Electrical Conditions
Symbol
Parameter and Conditions
Min
Max
Unit
T
J
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
NLIMIT
)
-
2.0
%
v
DD,N,
v
DDA,N
Supply voltage ripple (AC) during NAP interval (t
NLIMIT
)
-2.0
2.0
%
V
CMOSa
Supply voltage for CMOS pins (2.5V controllers)
Supply voltage for CMOS pins (1.8V controllers)
V
DD
1.80 - 0.1
V
DD
1.80 + 0.2
V
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
b
V
REF
+ 0.2
V
REF
+ 0.5
V
R
DA
RSL data asymmetry: R
DA
= (V
DIH
- V
REF
) / (V
REF
- V
DIL
)
0.67
1.00
-
V
CM
RSL clock input - common mode V
CM
= (V
CIH
+V
CIL)
/2
1.3
1.8
V
V
CIS,CTM
RSL clock input swing: V
CIS
= V
CIH
- V
CIL
(CTM,CTMN pins).
0.35
1.00
V
V
CIS,CFM
RSL clock input swing: V
CIS
= V
CIH
- V
CIL
(CFM,CFMN pins).
0.225
1.00
V
V
IL,CMOS
CMOS input low voltage
- 0.3
c
V
CMOS
/2 - 0.25
V
V
IH,CMOS
CMOS input high voltage
V
CMOS
/2 + 0.25
V
CMOS
+0.3
d
V
a. V
CMOS
must remain on as long as V
DD
is applied and cannot be turned off.
b. V
DIH
is typically equal to V
TERM
(1.8V
±
0.1V) under DC conditions in a system.
c. Voltage undershoot is limited to -0.7V for a duration of less than 5ns.
d. Voltage overshoot is limited toV
CMOS
+0.7V for a duration of less than 5ns
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