MT9HTF6472AY-667D4 Micron Technology Inc, MT9HTF6472AY-667D4 Datasheet - Page 33

• Manufacturer Part Number: MT9HTF6472AY-667D4
• Description: MODULE DDR2 512MB 240-DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT9HTF6472AY-667D4

• Memory Type: DDR2 SDRAM
• Memory Size: 512MB
• Package / Case: 240-DIMM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Speed: -
• Other names: 557-1303; MT9HTF6472AY-667D4

Table 18:
pdf: 09005aef80e6f860, source: 09005aef80e5b799
HTF9C32_64_128x72AG_2.fm - Rev. C 6/05 EN
Address and control input pulse
width for each input
Address and control input setup
time
Address and control input hold
time
Address and control input setup
time
Address and control input hold
time
CAS# to CAS# command delay
ACTIVE to ACTIVE (same bank)
command
ACTIVE bank a to ACTIVE bank b
command
ACTIVE to READ or WRITE delay
Four Bank Activate period
ACTIVE to PRECHARGE command
Internal READ to precharge
command delay
Write recovery time
Auto precharge write recovery +
precharge time
Internal WRITE to READ
command delay
PRECHARGE command period
PRECHARGE ALL command
period
LOAD MODE command cycle
time
CKE low to CK,CK# uncertainty
REFRESH to Active or Refresh to
Refresh command interval
Average periodic refresh interval
Exit self refresh to non-READ
command
Exit self refresh to READ
command
Exit self refresh timing reference
Parameter
AC Operating Conditions (Sheet 3 of 4)
Notes: 1–5; notes appear on page 35; 0°C ≤ T
AC Characteristics
256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 SDRAM UDIMM
Symbol
(256MB)
(512MB)
t
DELAY
t
t
t
t
t
(1GB)
t
t
t
t
t
t
t
t
t
XSNR
XSRD
t
MRD
t
t
t
FAW
t
WTR
t
t
ISXR
t
CCD
RRD
RCD
DAL
REFI
IPW
t
t
RAS
t
RPA
RTP
WR
RFC
RFC
RFC
IH
IH
IS
IS
RC
RP
a
b
a
b
(MIN) +
t
127.5
t
MIN
WR +
37.5
t
400
400
200
275
RP +
105
200
t
t
t
RFC
0.6
7.5
7.5
55
15
40
15
10
15
75
10
t
CK
IS +
RP
2
2
IS
-667
t
CK +
CASE
70,000
70,000
70,000
70,000
33
MAX
7.8
t
IH
≤ +85°C; V
(MIN) +
t
127.5
t
MIN
WR +
Micron Technology, Inc., reserves the right to change products or specifications without notice.
37.5
t
RP +
500
500
250
375
t
105
200
t
t
0.6
7.5
7.5
7.5
RFC
AC Timing and Operating Conditions
55
15
40
15
15
75
10
t
CK
RP
IS +
2
2
IS
DD
-53E
t
Q = +1.8V ±0.1V, V
CK +
70,000
70,000
70,000
70,000
MAX
7.8
t
IH
(MIN) +
©2003, 2004, 2005 Micron Technology, Inc. All rights reserved.
t
127.5
t
MIN
WR +
t
37.5
RP +
600
600
350
475
105
200
t
t
t
0.6
7.5
7.5
RFC
55
15
40
15
10
15
75
10
t
CK
RP
IS +
2
2
IS
-40E
DD
t
CK +
= +1.8V ±0.1V
70,000
70,000
70,000
70,000
MAX
7.8
t
IH
Units
t
t
t
t
CK
ps
ps
ps
ps
CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
ns
ns
ns
ns
µs
ns
CK
ps
Notes
21, 34
24, 28
6, 22
6, 22
6, 22
6, 22
6, 30
34
28
31
28
23
28
32
32
29
14
14
14
14