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參數(shù)資料
| 型號： | V827464N24S |
| 廠商： | Mosel Vitelic, Corp. |
| 英文描述： | 2.5 VOLT 64M x 72 HIGH PERFORMANCE REGISTERED ECC DDR SDRAM MODULE |
| 中文描述： | 2.5伏6400 × 72高的表現(xiàn)，ECC的DDR內(nèi)存模塊 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大?。?/td> | 478K |
| 代理商： | V827464N24S |
MOSEL VITELIC
V827464N24S
11
V827464N24S Rev. 1.0 August 2002
AC Characteristics (cont.)
Notes:
1. This calculation accounts for tDQSQ(max), the pulse width distortion of on-chip circuit and jitter.
2. Data sampled at the rising edges of the clock : A0~A11, BA0~BA1, CKE, CS, RAS, CAS, WE.
3. For command/address input slew rate >=1.0V/ns
4. For command/address input slew rate >=0.5V/ns and <1.0V/ns
5. CK, CK slew rates are >=1.0V/ns
6. These parameters guarantee device timing, but they are not necessarily tested on each device, and they may be guaranteed
by design or tester correlation.
7. Data latched at both rising and falling edges of Data Strobes(DQS) : DQ, DM
8. Minimum of 200 cycles of stable input clocks after Self Refresh Exit command, where CKE is held high, is required to complete
Self Refresh Exit and lock the internal DLL circuit of DDR SDRAM.
Absolute Maximum Ratings
Note:
Operation at above absolute maximum rating can adversely affect device reliability
Write DQS Preamble Setup Time
t
WPRES
0.25
-
0
-
0
-
0
-
CLK
Write DQS Preamble Hold Time
t
WPREH
0.4
0.6
0.25
-
0.25
-
0.25
-
CLK
Write DQS Postamble Time
t
WPST
2
-
0.4
0.6
0.4
0.6
0.4
0.6
CLK
Mode Register Set Delay
t
MRD
10
-
2
-
2
-
2
-
CLK
Power Down Exit Time
t
PDEX
75
-
10
-
10
-
10
-
ns
Exit Self Refresh to Non-Read Command
t
XSNR
200
-
75
-
75
-
80
-
ns
Exit Self Refresh to Read Command
t
XSRD
200
-
200
-
200
-
200
-
CLK
8
Average Periodic Refresh Interval
t
REFI
-
7.8
-
7.8
-
7.8
-
7.8
us
Parameter
Symbol
Rating
Unit
Ambient Temperature
T
A
0 ~ 70
°C
Storage Temperature
T
STG
-55 ~ 125
°C
Voltage on Any Pin relative to V
SS
V
IN
, V
OUT
-0.5 ~ 3.6
V
Voltage on V
DD
relative to V
SS
V
DD
-0.5 ~ 3.6
V
Voltage on V
DDQ
relative to V
SS
V
DDQ
-0.5 ~ 3.6
V
Output Short Circuit Current
I
OS
50
mA
Power Dissipation
P
D
8
W
Soldering Temperature Time
T
SOLDER
260 10
°C Sec
Parameter
Symbol
(PC333)
(PC266A)
(PC266B)
(PC200)
Unit Note
Min
Max
Min
Max
Min
Max
Min
Max
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