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參數(shù)資料
型號: W986408CH-75
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: x8 SDRAM
中文描述: 8M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝: 0.400 INCH, 0.80 MM PITCH, TSOP2-54
文件頁數(shù): 8/44頁
文件大小: 2208K
代理商: W986408CH-75
W986408CH
2M x 8 bit x 4 Banks SDRAM
Revision 1.0 Publication Release Date: March, 1999
- 8 -
NOTES:
1.
Operation exceeds "ABSOLUTE MAXIMUM RATING" may cause permanent damage to the devices.
2.
All voltages are referenced to V
SS
3.
These parameters depend on the cycle rate and listed values are measured at a cycle rate with the minimum values of
tCK and t
RC
.
4.
These parameters depend on the output loading conditions. Specified values are obtained with output open.
5.
Power up sequence is further described in the "Functional Description" section.
6.
AC TESTING CONDITIONS
Output Reference Level
Output Load
Input Signal Levels
Transition Time (Rise and Fall) of Input Signal
Input Reference Level
1.4V/1.4V
See diagram B below
2.4V/0.4V
2ns
1.4V
50 ohms
1.4 V
AC TEST LOAD (B)
Z = 50 ohms
output
AC TEST LOAD (A)
1.2K
0.87K
output
3.3 V
50pF
50pF
7.
Transition times are measured between V
IH
and V
IL
.
8.
t
HZ
defines the time at which the outputs achieve the open circuit condition and is not referenced to output level.
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相關代理商/技術參數(shù)
參數(shù)描述
W986408CH-8H 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W986416CH 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M x 16 BIT x 4 BANKS SDRAM
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W986416CH-7 制造商:Winbond Electronics Corp 功能描述:SDRAM, 4M x 16, 54 Pin, Plastic, TSOP
W986416CH-75 制造商:WINBOND 制造商全稱:Winbond 功能描述:x16 SDRAM