DDR4 기본 타이밍

DDR4 기본 타이밍

 

Symbol		1600 11-11-11	1866 13-13-13	2133 15-15-15	2400 17-17-17	2666 19-19-19	2933 21-21-21	3200 22-22-22	Unit
tCK		1.25	1.071	0.937	0.833	0.75	0.682	0.625	ns
CL		11	13	15	17	19	21	22	nCK
CWL		11	12	14	16	18	20	20	nCK
nRCD		11	13	15	17	19	21	22	nCK
nRC		39	45	51	56	62	68	74	nCK
nRAS		28	32	36	39	43	47	52	nCK
nRP		11	13	15	17	19	21	22	nCK
nFAW	x4	16	16	16	16	16	16	16	nCK
	x8	20	22	23	26	28	31	34	nCK
	x16	28	28	32	36	40	44	48	nCK
nRRDS	x4	4	4	4	4	4	4	4	nCK
	x8	4	4	4	4	4	4	4	nCK
	x16	5	5	6	7	8	8	9	nCK
nRRDL	x4	5	5	6	6	7	8	8	nCK
	x8	5	5	6	6	7	8	8	nCK
	x16	6	6	7	8	9	10	11	nCK
tCCD_S		4	4	4	4	4	4	4	nCK
tCCD_L		5	5	6	6	7	8	8	nCK
tWTR_S		2	3	3	3	4	4	4	nCK
tWTR_L		6	7	8	9	10	11	12	nCK
nRFC 2Gb		128	150	171	193	214	235	256	nCK
nRFC 4Gb		208	243	278	313	347	382	416	nCK
nRFC 8Gb		280	327	374	421	467	514	560	nCK
nRFC 16Gb		440	514	587	661	734	807	880	nCK
TBD		​	​	​	​	​	​	​	nCK

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