MT48H8M16LFB4-8 IT TR Micron Technology Inc, MT48H8M16LFB4-8 IT TR Datasheet - Page 54

• Manufacturer Part Number: MT48H8M16LFB4-8 IT TR
• Description: IC SDRAM 128MBIT 125MHZ 54VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT48H8M16LFB4-8 IT TR

• Format - Memory: RAM
• Memory Type: Mobile SDRAM
• Memory Size: 128M (8Mx16)
• 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
• Other names: 557-1051-2

Figure 40: Alternating Bank Read Accesses
PDF: 09005aef80c97087/Source: 09005aef80c97015
MT48H8M16_2.fm - Rev. E 3/05 EN
DQMU, DQML
COMMAND
A0-A9, A11
BA0, BA1
CLK
A10
CKE
DQ
t CMS
t CKS
t AS
t AS
t AS
Notes: 1. For this example, BL = 4 and CL = 2.
ACTIVE
BANK 0
T0
ROW
ROW
t CKH
t CMH
t AH
t AH
t AH
t RCD - BANK 0
t RAS - BANK 0
t
t
RC - BANK 0
RRD
2. A9 and A11 are “Don’t Care.”
t CK
T1
NOP
ENABLE AUTO PRECHARGE
t CMS
t CL
COLUMN m 2
BANK 0
T2
READ
t CMH
t CH
CAS Latency - BANK 0
T3
NOP
t LZ
t AC
BANK 3
ACTIVE
ROW
T4
ROW
D
54
OUT
t OH
t AC
m
t RCD - BANK 3
D
T5
OUT
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
m + 1
t OH
t AC
ENABLE AUTO PRECHARGE
COLUMN b 2
BANK 3
D
T6
OUT
READ
m + 2
t OH
t AC
CAS Latency - BANK 3
128Mb: x16 Mobile SDRAM
t RP - BANK 0
D
T7
OUT
NOP
m + 3
t OH
t AC
©2003 Micron Technology, Inc. All rights reserved.
BANK 0
T8
ROW
ACTIVE
ROW
D
OUT
t RCD - BANK 0
t OH
DON’T CARE
UNDEFINED
t AC
Timing Diagrams
b