K4H1G0438A-TCA0 Datasheet | Samsung Semiconductor

description method for the same functionality. This means no difference from the previous version. 3.Changed the following AC parameter symbol From. To. Output data access time from CK/CK t DQCK t AC Version 0.61(August 9,1999) - Changed the some values of "write with auto precharge" table for different bank in page 31. Asserted mand Old Read Read + AP- 1 Legal Legal For Different Bank 3 New Illegal Illegal Old Legal Legal 4 New Illegal Illegal - 2 - REV. 1.0 November. 2. 2000 128Mb DDR SDRAM Revision History(continued) Version 0.7 (March, 2000) - Changed 128Mb spec from target to Preliminary version. - Changed partnames as follows. from KM44L32031BT-G(L)Z/Y/0 KM48L16031BT-G(L)Z/Y/0 KM416L8031BT-G(L)Z/Y/0 - Changed input cap. spec. from CK/CK DQ/DQS/DM CMD/Addr 2.5p F ~ 3.5p F 4.0p F ~ 5.5p F 2.5p F ~ 3.5p F to 2.0p F ~ 3.0p F w/ Delta Cin = 0.25p F 4.0p F ~ 5.0p F w/ Delta Cin = 0.5p F 2.0p F ~ 3.0p F with Delta Cin = 0.5p F to K4H280438B-TC(L)A2/B0/A0 K4H280838B-TC(L)A2/B0/A0 K4H281638B-TC(L)A2/B0/A0 - Changed operating condition. from Vil/Vih(ac) VIL/VIH(dc) Vref +/- 0.35V Vref +/- 0.18V to Vref +/- 0.31V Vref +/- 0.15V - Added Overshoot/Undershoot spec . Vih(max) = 4.2V, the overshoot voltage duration is ≤ 3ns at VDD. . Vil(min) =- 1.5V, the overshoot voltage duration is ≤ 3ns at VSS. - Changed AC parameters as follows. from t DQSQ t DV t QH t HP - Added DC spec values. +/- 0.5(PC266), +/- 0.6(PC200) +/- 0.35t CK to +0.5(PC266), +0.6(PC200) t HPmin -...