MT48H4M16LFB4-8 IT Micron Technology Inc, MT48H4M16LFB4-8 IT Datasheet - Page 38

• Manufacturer Part Number: MT48H4M16LFB4-8 IT
• Description: IC SDRAM 64MBIT 125MHZ 54VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT48H4M16LFB4-8 IT

• Format - Memory: RAM
• Memory Type: Mobile SDRAM
• Memory Size: 64M (4M x 16)
• Speed: 125MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 54-VFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NOTE:
NOTE:
pdf: 09005aef80a63953, source: 09005aef808a7edc
Y25L_64Mb_2.fm - Rev. E 11/04 EN
1. Each AUTO REFRESH command performs a refresh cycle. Back-to-back commands are not required.
1. CAS latency indicated in parentheses.
SYMBOL
t
t
CK (3)
CK (2)
t
t
t
t
AH
CH
AS
CL
1
MIN
2.5
9.6
1
3
3
8
-8
DQMU, DQML
MAX
100
100
A0-A9, A11
COMMAND
BA0, BA1
A10
CLK
CKE
DQ
MIN
Precharge all
High-Z
2.5
9.6
t CKS
active banks
t CMS
12
t AS
1
3
3
SINGLE BANK
ALL BANKS
PRECHARGE
BANK(S)
T0
-10
t CKH
t AH
t CMH
t CK
MAX
Figure 34: Auto Refresh Mode
100
100
t RP
T1
NOP
UNITS
ns
ns
ns
ns
ns
ns
T2
REFRESH
AUTO
t CH
t RFC
38
1
NOP
(
(
(
(
(
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(
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(
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(
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)
NOP
SYMBOL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t CL
t
t
t
t
t
CMH
MRD
t
CMS
CKH
CKS
t
RFC
Tn + 1
RP
REFRESH
AUTO
t RFC
NOP
1
MIN
(
(
(
(
(
)
2.5
2.5
(
(
(
(
)
)
(
)
(
)
(
)
)
)
80
19
)
)
)
(
(
(
)
)
(
(
(
(
(
(
)
(
(
)
(
)
(
)
)
)
1
1
2
)
)
)
)
(
(
)
)
)
(
)
)
NOP
-8
MAX
To + 1
ACTIVE
ROW
ROW
MOBILE SDRAM
BANK
DON’T CARE
©2003 Micron Technology, Inc. All rights reserved.
MIN
100
2.5
2.5
20
1
1
2
64Mb: x16
-10
MAX
UNITS
t
ns
ns
ns
ns
CK
ns
ns