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| MT40A512M16JY-083E Datasheet, PDF (292/358 Pages) Micron Technology – Automotive DDR4 SDRAM | |||
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8Gb: x8, x16 Automotive DDR4 SDRAM
Electrical Characteristics â AC and DC Output Driver Charac-
teristics
MMPUDD =
RONPU,max - RONPU,min
RON,nom
à 100
MMPDDD =
RONPD,max - RONPD,min
RON,nom
à 100
7. The lower and upper bytes of a x16 are each treated on a per byte basis.
8. For IT, AT, and UT devices, the minimum values are derated by 9% when the device op-
erates between â40°C and 0°C (TC).
Output Driver Temperature and Voltage Sensitivity
If temperature and/or voltage change after calibration, the tolerance limits widen ac-
cording to the equations and tables below.
ǻT = T - T(@calibration); ǻV = VDDQ - VDDQ(@ calibration); VDD = VDDQ
Table 123: Output Driver Sensitivity Definitions
Symbol
RONPU@ VOH(DC)
RON@ VOM(DC)
RONPD@ VOL(DC)
Min
0.6 - dRONdTH Ã |ÎT| - dRONdVH Ã |ÎV|
0.9 - dRONdTM Ã |ÎT| - dRONdVM Ã |ÎV|
0.6 - dRONdTL Ã |ÎT| - dRONdVL Ã |ÎV|
Max
1.1 _ dRONdTH Ã |ÎT| + dRONdVH Ã |ÎV|
1.1 + dRONdTM Ã |ÎT| + dRONdVM Ã |ÎV|
1.1 + dRONdTL Ã |ÎT| + dRONdVL Ã |ÎV|
Unit
RZQ/6
RZQ/6
RZQ/6
Table 124: Output Driver Voltage and Temperature Sensitivity
Symbol
dRONdTM
dRONdVM
dRONdTL
dRONdVL
dRONdTH
dRONdVM
Voltage and Temperature Range
Min
Max
0
1.5
0
0.15
0
1.5
0
0.15
0
1.5
0
0.15
Unit
%/°C
%/mV
%/°C
%/mV
%/°C
%/mV
Alert Driver
A functional representation of the alert output buffer is shown in the figure below. Out-
put driver impedance, RON, is defined as follows.
CCMTD-1406124318-10419
8gb_auto_ddr4_dram.pdf - Rev. C 3/17 EN
292
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2016 Micron Technology, Inc. All rights reserved.
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