MT48H8M32LFB5-8 TR Micron Technology Inc, MT48H8M32LFB5-8 TR Datasheet - Page 48

• Manufacturer Part Number: MT48H8M32LFB5-8 TR
• Description: IC SDRAM 256MBIT 125MHZ 90VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT48H8M32LFB5-8 TR

• Format - Memory: RAM
• Memory Type: Mobile SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 125MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.95 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-VFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1054-2

Table 15: Electrical Characteristics and Recommended AC Operating Conditions
PDF: 09005aef80d460f2/Source: 09005aef80cd8d41
256Mb SDRAM x32_2.fm - Rev. G 6/05
AC Characteristics
Parameter
Access time from CLK (pos. edge)
Address hold time
Address setup time
CLK high-level width
CLK low-level width
Clock cycle time
CKE hold time
CKE setup time
CS#, RAS#, CAS#, WE#, DQM hold
time
CS#, RAS#, CAS#, WE#, DQM
setup time
Data-in hold time
Data-in setup time
Data-out high-z time
Data-out low-z time
Data-out hold time (load)
Data-out hold time (no load)
ACTIVE to PRECHARGE command
ACTIVE to ACTIVE command
period
ACTIVE to READ or WRITE delay
Refresh period (4,096 rows)
AUTO REFRESH period
PRECHARGE command period
ACTIVE bank a to ACTIVE bank b
command
Transition time
WRITE recovery time
Exit SELF REFRESH to ACTIVE
command
Notes: 5, 6, 8, 9, 11; notes appear on page 54
CL = 3
CL = 2
CL = 1
CL = 3
CL = 2
CL = 1
CL = 3
CL = 2
CL = 1
Symbol
t
t
t
t
t
t
t
t
t
t
t
WR (m)
WR (a)
t
AC (3)
AC (2)
AC (1)
CK (3)
CK (2)
CK (1)
HZ (3)
HZ (2)
HZ (1)
t
t
t
t
t
t
t
t
t
CMH
t
t
OH
t
CKH
CMS
t
t
t
t
RAS
t
RCD
RRD
t
CKS
RFC
t
XSR
t
REF
AH
DH
OH
CH
AS
DS
RC
CL
LZ
RP
t
T
N
1 CLK
7.5ns
MIN
67.5
1.5
7.5
2.5
1.5
1.5
2.5
1.8
0.3
44
19
80
19
15
15
67
1
3
3
9
1
1
1
1
+
-
-
48
-75
120000
MAX
1.2
64
6
7
6
7
-
-
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1 CLK
+7ns
MIN
2.5
2.5
2.5
2.5
2.5
1.8
0.5
20
48
72
20
80
19
16
15
80
1
3
3
8
9
1
1
1
1
-8
120000
MAX
100
100
100
1.2
19
19
64
7
8
7
8
256Mb: x32 Mobile SDRAM
1 CLK
MIN
+5ns
Electrical Specifications
100
100
2.5
2.5
2.5
2.5
2.5
1.8
0.5
10
12
25
50
90
20
20
20
15
1
3
3
1
1
1
1
-10
©2003 Micron Technology, Inc. All rights reserved.
120000
MAX
100
100
100
1.2
22
22
64
7
8
7
8
Units
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
–
Notes
23, 31
23
10
10
10
27
24
25
20
9
9
9
7