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
ODT to power-
down entry latency
tANPD
tAXPD
4
3
3
3
8
3
8
3
8
3
8
tCK
tCK
tCK
18
18
18
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ODT power-down
exit latency
ODT turn-on delay tAOND
ODT turn-off delay tAOFD
11
10
10
2
2.5
tCK 18, 45
ODT turn-on
tAON
tAC
tAC
MIN = tAC (MIN)
MIN = tAC (MIN)
MAX = tAC (MAX) + 700
MIN = tAC (MIN)
MAX = tAC (MAX) + 1,000
ps
19, 46
(MIN) (MAX) MAX = tAC (MAX) + 600
+
2,575
ODT turn-off
tAOF
MIN = tAC (MIN)
ps
ps
47, 48
49
MAX = tAC (MAX) + 600
ODT turn-on
(power-down
mode)
tAONPD
tAC
(MIN) tCK +
tAC
2 ×
MIN = tAC (MIN) + 2,000
MAX = 2 × tCK + tAC (MAX) + 1,000
+
2,000 (MAX)
+
1,000
ODT turn-off
(power-down
mode)
tAOFPD
tMOD
MIN = tAC (MIN) + 2,000
ps
ns
MAX = 2.5 × tCK + tAC (MAX) + 1,000
ODT enable from
MRS command
MIN = 12
MAX = n/a
18, 50
MICRON [ MICRON TECHNOLOGY ]
