參數(shù)資料
型號: HY5PS121623LF
英文描述: 32Mx16|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
中文描述: 32Mx16 | 1.8 | 8K的| D43/D44/D54/D55 |的DDR II內存- 512M
文件頁數(shù): 63/66頁
文件大?。?/td> 862K
代理商: HY5PS121623LF
Rev. 0.52/Nov. 02 63
HY5PS12423(L)F
HY5PS12823(L)F
HY5PS121623(L)F
14. DQS, DM and DQ input slew rate is specified to prevent double clocking of data and preserve setup and hold times. Signal tran-
sitions through the DC region must be monotonic.
15. tDAL = (tDPL / tCK ) + (tRP / tCK ). For each of the terms above, if not already an integer, round to the next highest integer. tCK
is equal to the actual system clock cycle time.
Example: For DDR266B at CL=2.5 and tCK = 7.5 ns,
tDAL = (15 ns / 7.5 ns) + (20 ns / 7.5 ns) = (2.00) + (2.67)
Round up each non-integer to the next highest integer: = (2) + (3), tDAL = 5 clocks
16. For the parts which do not has internal RAS lockout circuit, Active to Read with Auto precharge delay should be tRAS - BL/2 x
tCK.
The previous and This Page will be changed by the standardization result of Je-
dec Committee.
相關PDF資料
PDF描述
HY5PS12423F 128Mx4|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
HY5PS12423LF 128Mx4|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
HY5PS12823F 64Mx8|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
HY5PS12823LF 64Mx8|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
HY5P Current Transducers HY 5 to 25-P/SP1
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