mt47h128m16hg-3-it Micron Semiconductor Products, mt47h128m16hg-3-it Datasheet - Page 120

• Manufacturer Part Number: mt47h128m16hg-3-it
• Description: 2gb X4, X8, X16 Ddr2 Sdram
• Manufacturer: Micron Semiconductor Products

Table 49:
PDF: 09005aef824f87b6/Source: 09005aef824f1182
2gb_ddr2.fm - Rev. A 9/06 EN
CKE LOW to CK,
CK# uncertainty
REFRESH-to-ACTIVE
or REFRESH-to-
REFRESH command
interval
Average periodic
refresh interval
(commercial)
Average periodic
refresh interval
(industrial)
Exit SELF REFRESH
to non-READ
command
Exit SELF REFRESH
to READ command
Exit SELF REFRESH
timing reference
ODT turn-on delay
ODT turn-on
ODT turn-off delay
ODT turn-off
ODT turn-on
(power-down
mode)
ODT turn-off
(power-down
mode)
ODT to power-
down entry latency
ODT power-down
exit latency
ODT enable from
MRS command
Parameter
AC Characteristics
AC Operating Conditions for -3E, -3, -37E, and -5E Speeds (Sheet 5 of 6)
Notes: 1–5; notes appear on page 122; V
t
t
t
t
AONPD
t
t
t
AOFPD
t
DELAY
t
t
t
AOND
t
t
AOFD
ANPD
AXPD
t
REFI
t
Sym
XSNR
XSRD
MOD
t
AON
ISXR
AOF
REFI
RFC
IT
(MIN) +
(MIN) +
(MIN) +
(MIN)
(MIN)
197.5
2,000
2,000
t
Min
t
200
t
t
t
t
RFC
2.5
IS +
10
t
AC
AC
AC
AC
12
2
3
8
IS
t
-3E
CK +
+ 1,000
+ 1,000
2 x
70,000
(MAX)
(MAX)
(MAX)
(MAX)
+ 700
+ 600
+
t
2.5 x
Max
CK +
t
t
t
7.8
3.9
2.5
AC
AC
AC
t
t
2
IH
AC
t
CK
(MIN) +
(MIN) +
(MIN) +
DD
(MIN)
(MIN)
197.5
2,000
2,000
t
Min
t
200
t
t
t
t
RFC
2.5
IS +
Q = +1.8V ±0.1V, V
10
t
AC
AC
AC
AC
12
2
3
8
IS
120
t
-3
CK +
+ 1,000
+ 1,000
2 x
70,000
(MAX)
(MAX)
(MAX)
(MAX)
+ 700
+ 600
+
t
2.5 x
Max
CK +
t
t
t
7.8
3.9
2.5
AC
AC
AC
t
t
2
IH
t
AC
CK
Micron Technology, Inc., reserves the right to change products or specifications without notice.
(MIN) +
(MIN) +
(MIN) +
(MIN)
(MIN)
197.5
2,000
2000
t
Min
t
200
t
t
t
t
RFC
2.5
IS +
10
12
t
AC
AC
AC
AC
DD
IS
2
3
8
= +1.8V ±0.1V
-37E
2Gb: x4, x8, x16 DDR2 SDRAM
t
CK +
+ 1,000
+ 1,000
+ 1,000
70,000
2 x
(MAX)
(MAX)
(MAX)
(MAX)
+ 600
+
t
2.5 x
Max
AC Operating Specifications
CK +
t
t
t
7.8
3.9
2.5
AC
AC
AC
t
t
2
IH
t
AC
CK
(MIN) +
(MIN) +
(MIN) +
197.5
(MIN)
(MIN)
2,000
2,000
t
Min
t
200
t
t
t
t
RFC
2.5
IS +
10
t
12
AC
AC
AC
AC
IS
2
3
8
©2006 Micron Technology, Inc. All rights reserved.
-5E
t
CK +
+ 1,000
2 x
70,000
+ 1000
+ 1000
(MAX)
(MAX)
(MAX)
(MAX)
+ 600
+
t
2.5 x
Max
CK +
t
t
t
7.8
3.9
2.5
AC
AC
AC
t
t
2
IH
t
AC
CK
Units Notes
t
t
t
t
t
ns
ns
µs
µs
ns
CK
ps
CK
ps
CK
ps
ps
ps
CK
CK
ns
14, 37
14, 37
14, 37
23, 43
35, 37
24, 44
37, 49
6, 27
26
37
37
37
37