EDY4016AABG-DR-F Datasheet, PDF (264/356 Pages) Micron Technology – Databus write cyclic redundancy check (CRC)

4Gb: x16 DDR4 SDRAM
Electrical Characteristics – AC and DC Single-Ended Input
Measurement Levels
Figure 203: CT Type-A Input Slew Rate Definition
V_{IH(AC)_CTipAmin}
V_{IH(DC)_CTipAmin}
V_REFCA
V_{IL(DC)_CTipAmax}
V_{IL(AC)_CTipAmax}
t_{F_CTipA}
t_{R_CTipA}
Table 88: CT Type-B Input Levels
Parameter
CTipB AC input high voltage
CTipB DC input high voltage
CTipB DC input low voltage
CTipB AC input low voltage
CTipB falling time
CTipB rising time
Symbol
V_IH(AC)
V_IH(DC)
V_IL(DC)
V_IL(AC)
t_{F_CTipB}
t_{R_CTipB}
Min
V_REF + 300
V_REF + 200
V_SS
V_SS11
–
–
Max
V_DD1 ¹
V_DD
V_REF - 200
V_REF - 300
5
5
Unit
V
V
V
V
ns
ns
Notes:
1. Refer to Overshoot and Undershoot Specifications.
2. CT Type-B inputs: DML_n/DBIL_n, DMU_n/DBIU_n and DM_n/DBI_n.
3. V_REFDQ should be 0.5 × V_DD
Figure 204: CT Type-B Input Slew Rate Definition
Note
2, 3
2, 3
2, 3
2, 3
2
2
V_{IH(AC)_CTipBmin}
V_{IH(DC)_CTipBmin}
V_REFDQ
V_{IL(DC)_CTipBmax}
V_{IL(AC)_CTipBmax}
t_{F_CTipB}
t_{R_CTipB}
Table 89: CT Type-C Input Levels (CMOS)
Parameter
CTipC AC input high voltage
CTipC DC input high voltage
CTipC DC input low voltage
Symbol
V_{IH(AC)_CTipC}
V_{IH(DC)_CTipC}
V_{IL(DC)_CTipC}
Min
0.8 × V_DD
0.7 × V_DD
V_SS
Max
V_DD1
V_DD
0.3 × V_DD
Unit
V
V
V
Note
2
2
2
PDF: 09005aef85f537bf
4gb_ddr4_dram_2e0d.pdf - Rev. C 10/15 EN
264
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.