Want to post a buying lead? If you are not a member yet, please select the specific/related part number first and then fill the quantity and your contact details in the "Request for Quotation Form" on the left, and then click "Send RFQ".Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.
The K4H560438H is 268,435,456 bits of double data rate synchronous DRAM organized as 4x 16,777,216 words by 4 bits, fabricated with SAMSUNGs high performance CMOS technology.The K4H560438H-UCB0 belongs to K4H560438H series.
Key features of the K4H560438H-UCB0 are:(1)VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333;(2)VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400;(3)double-data-rate architecture; two data transfers per clock cycle;(4)bidirectional data strobe [DQS] (x4,x8) and [L(U)DQS] (x16);(5)four banks operation;(6)differential clock inputs(CK and CK);(7)DLL aligns DQ and DQS transition with CK transition;(8)MRS cycle with address key programs;(9)all inputs except data & DM are sampled at the positive going edge of the system clock(CK);(10)data I/O transactions on both edges of data strobe;(11):edge aligned data output, center aligned data input;(12):LDM,UDM for write masking only (x16);(13):DM for write masking only (x4, x8);(14):auto and self refresh;(15):7.8us refresh interval(8K/64ms refresh);(16):maximum burst refresh cycle is 8;(17):66pin TSOP II Pb-free package;(18)RoHS compliant.
The absolute maximum ratings of the K4H560438H-UCB0 can be summarized as:(1):the parameter is voltage on any pin relative to VSS,the symbol is VIN,VOUT,the value is -0.5 to 3.6,the unit is V;(2):the parameter is voltage on VDD and VDDQ supply relative to VSS,the symbol is VDD, VDDQ,the value is -1.0 to 3.6,the unit is V;(3):the parameter is storage temperature,the symbol is TSTG,the value is -55 to +150,the unit is ;(4):the parameter is power dissipation,the symbol is PD,the value is 1.5,the unit is W;(5):the parameter is short circuit current,the symbol is IOS,the value is 50,the unit is mA.