MT47H128M8HQ-37EL MICRON [Micron Technology], MT47H128M8HQ-37EL Datasheet - Page 31

• Manufacturer Part Number: MT47H128M8HQ-37EL
• Description: DDR2 SDRAM
• Manufacturer: MICRON [Micron Technology]

AC Timing Operating Specifications
Table 11: AC Operating Specifications and Conditions
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;
V
DDQ
Clock
cycle time
CK high-level width
CK low-level width
Half clock period
Absolute
Absolute CK
high-level width
Absolute CK
low-level width
Period jitter
Half period
Cycle to cycle
Cumulative error,
2 cycles
Cumulative error,
3 cycles
Cumulative error,
4 cycles
Cumulative error,
5 cycles
Cumulative error,
6–10 cycles
Cumulative error,
11–50 cycles
= +1.8V ±0.1V, V
Parameter
AC Characteristics
t
CK
CL = 7
CL = 6
CL = 5
CL = 4
CL = 3
DD
t
t
t
t
t
t
t
t
t
t
Symbol
CK (avg) 1.875
CK (avg)
CK (avg)
CK (avg)
CK (avg)
CH (avg)
t
t
t
t
CL (avg)
CK (abs)
CH (abs)
CL (abs)
t
t
ERR
ERR
ERR
ERR
t
= +1.8V ±0.1V
t
ERR
JITper
JITdty
t
ERR
10per
50per
JITcc
t
HP
2per
3per
4per
5per
11–
6–
–132
–157
–175
–188
–250
–425
Min
3.75
0.48
0.48
–90
–75
2.5
3.0
5.0
-187E
180
Max
0.52
0.52
132
157
175
188
250
425
8.0
8.0
8.0
8.0
8.0
90
75
–100
–100
–150
–175
–200
–200
–300
–450
Min
3.75
0.48
0.48
2.5
2.5
5.0
–
-25E
200
MAX =
MAX =
MIN =
MIN =
Max
0.52
0.52
100
100
150
175
200
200
300
450
8.0
8.0
8.0
8.0
–
t
t
CK (AVG) MAX ×
t
CK (AVG) MAX ×
t
CK (AVG) MIN ×
MAX =
CK (AVG) MIN ×
–100
–100
–150
–175
–200
–200
–300
–450
Min
3.75
0.48
0.48
MIN =
2.5
3.0
5.0
–
200
-25
MIN = lesser of
t
Max
0.52
0.52
t
CK (AVG) MAX +
100
100
150
175
200
200
300
450
CK (AVG) MIN +
8.0
8.0
8.0
8.0
–
MAX = n/a
–125
–125
–175
–225
–250
–250
–350
–450
Min
0.48
0.48
3.0
3.0
5.0
–
–
t
t
t
t
CH (AVG) MIN +
CH (AVG) MAX +
CL (AVG) MIN +
CL (AVG) MAX +
-3E
250
t
Max
0.52
0.52
CH and
125
125
175
225
250
250
350
450
8.0
8.0
8.0
–
–
t
t
JITper (MIN)
JITper (MAX)
–125
–125
–175
–225
–250
–250
–350
–450
Min
3.75
0.48
0.48
3.0
5.0
t
–
–
CL
250
-3
t
t
JITdty (MIN)
JITdty (MIN)
t
t
JITdty (MAX)
JITdty (MAX)
Max
0.52
0.52
125
125
175
225
250
250
350
450
8.0
8.0
8.0
–
–
–125
–125
–175
–225
–250
–250
–350
–450
Min
3.75
0.48
0.48
5.0
–
–
–
-37E
250
Max
0.52
0.52
125
125
175
225
250
250
350
450
8.0
8.0
–
–
–
–125
–150
–175
–225
–250
–250
–350
–450
Min
0.48
0.48
5.0
5.0
–
–
–
250
-5E
Max
0.52
0.52
125
150
175
225
250
250
350
450
8.0
8.0
–
–
–
Units Notes
t
t
ns
CK
CK
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
6, 7, 8,
15, 16
15, 16
10
11
12
13
14
15
15
15
15
9