1Gb: x8, x16 Automotive DDR2 SDRAM - Micron

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1gbddr2_ait_aat.pdf – Rev. C 7/11 EN 33 � 2010 Micron Technology, Inc. All rights reserved.
Table 11: AC Operating Specifications and Conditions (Continued)
Not all speed grades listed may be supported for this device; refer to the title page for speeds supported; Notes: 1–5 apply to the entire table;
VDDQ = 1.8V ±0.1V, VDD = 1.8V ±0.1V
AC Characteristics -187E -25E -25 -3E -3 -37E -5E
Parameter Symbol Min Max Min Max Min Max Min Max Min Max Min Max Min Max Units Notes
Self Refresh
Power-Down
Exit SELF REFRESH
to nonREAD
command
Exit SELF REFRESH
to READ command
Exit SELF REFRESH
timing reference
Exit active
powerdown
to
READ
command
MR12
= 0
MR12
= 1
Exit precharge
power-down and
active power-down
to any
nonREAD
command
CKE MIN
HIGH/LOW time
t XSNR MIN limit = t RFC (MIN) + 10
MAX limit = n/a
tXSRD MIN limit = 200
MAX limit = n/a
tCK 18
tISXR MIN limit = tIS MAX limit = n/a
ps 33, 43
tXARD 3 – 2 – 2 – 2 – 2 – 2 – 2 – tCK 18
10 -
AL
– 8 - AL – 8 - AL – 7 - AL – 7 - AL – 6 - AL – 6 - AL – t CK 18
t XP 3 – 2 – 2 – 2 – 2 – 2 – 2 – t CK 18
t CKE MIN = 3
MAX = n/a
ns
t CK 18, 44
1Gb: x8, x16 Automotive DDR2 SDRAM
AC Timing Operating Specifications