參數(shù)資料
型號: HY5R288HC
英文描述: -|2.5V|8K|40|Direct RDRAM - 288M
中文描述: - |為2.5V | 8K的| 40 |直接RDRAM的- 288M
文件頁數(shù): 48/64頁
文件大小: 4542K
代理商: HY5R288HC
48
Rev.0.9/Dec.2000
Direct RDRAM
256/288-Mbit (512Kx16/18x32s) Preliminary
a. MSE/MS are fields of the SKIP register. For this combination (skip override) the tDCW parameter range is effectively 0.0 to 0.0
b.t
S,MIN
and t
H,MIN
for other t
CYCLE
values can be interpolated from the timings at the 3 specified t
CYCLE
values.
c. This parameter also applies to a -800 part when opreated with t
CYCLE
=2.81ns.
d. This parameter also applies to a -800 or -711part when opreated with t
CYCLE
=3.33ns.
e. With V
IL,CMOS
=0.5V
CMOS
- 0.4V and V
IH,CMOS
= 0.5V
CMOS
+ 0.4V
f. Effective hold becomes tH4 = tH4 + [PDNXA * 64 * t
SCYCLE
+ t
PDNXB,MAX
] - [PDNX * 256 * t
SCYCLE
]
if [PDNX * 256 * t
SCYCLE
] < [PDNXA * 64 * t
SCYCLE
+ t
PDNXB,MAX
]. See Figure 48:
t
REF
Refresh interval
32
ms
Figure 50:
t
BURST
Interval after PDN or NAP (with self-refresh) exit in which all
banks of the RDRAM must be refreshed at least one.
200
μ
s
Figure 51:
t
CCTRL
Current control interval
34t
CYCLE
100ms
t
CYCLE/
ms
Figure 52:
t
TEMP
Temperature control interval
100
ms
Figure 53:
t
TCEN
TCE command to TCAL command
150
-
t
CYCLE
Figure 53:
t
TCAL
TCAL command to quiet window
2
2
t
CYCLE
Figure 53:
t
TCQUIET
Quiet window (no read data)
140
-
t
CYCLE
Figure 53:
t
PAUSE
RDRAM delay (no RSL operations allowed)
200.0
μ
s
page 28
Table 18: Timing Conditions
Symbol
Parameter
Min
Max
Unit
Figure(s)
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