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參數資料
型號: W986408BH
廠商: WINBOND ELECTRONICS CORP
英文描述: 2M words x 8 bit x 4 Banks SDRAM(2M字 x 8 位 x 4 組同步動態RAM)
中文描述: 200萬字× 8位× 4個銀行的SDRAM(200萬字× 8位× 4組同步動態RAM)的
文件頁數: 8/44頁
文件大小: 1858K
代理商: W986408BH
W986408BH
2M x 8 bit x 4 Banks SDRAM
Revision 1.2 Publication Release Date: April, 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
t
CK
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
output
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.
1.2k
0.87k
AC TEST LOAD (A)
1.4 V
output
Z=50 ohms
3.3 V
AC TEST LOAD (B)
50 ohms
50pF
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相關代理商/技術參數
參數描述
W986408CH 制造商:WINBOND 制造商全稱:Winbond 功能描述:2M x 8BIT x 4 BANKS SDRAM
W986408CH-75 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
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
W986416CH-6 制造商:WINBOND 制造商全稱:Winbond 功能描述:x16 SDRAM