MT48LC4M32B2P-7IT Micron Technology Inc, MT48LC4M32B2P-7IT Datasheet - Page 57

• Manufacturer Part Number: MT48LC4M32B2P-7IT
• Manufacturer: Micron Technology Inc
• Type: SDRAMr

Specifications of MT48LC4M32B2P-7IT

• Organization: 4Mx32
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 17/8/5.5ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 175mA
• Pin Count: 86
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Compliant

Figure 40:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. L 1/09 EN
COMMAND
A0–A9, A11
DQM 0–3
BA0, BA1
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
Alternating Bank Read Accesses
ACTIVE
BANK 0
T0
ROW
ROW
t CKH
t CMH
t AH
t AH
t AH
Notes:
t RCD - BANK 0
t RAS - BANK 0
t
t
RC - BANK 0
RRD
t CK
T1
NOP
1. For this example, BL = 4, and CL = 2.
2. A8, A9, and A11 = “Don’t Care.”
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
57
BANK 4
ACTIVE
T4
ROW
ROW
D
OUT
t OH
t AC
m
t RCD - BANK 4
Micron Technology, Inc., reserves the right to change products or specifications without notice.
D
T5
OUT
NOP
m + 1
t OH
t AC
ENABLE AUTO PRECHARGE
COLUMN b 2
BANK 4
D
T6
READ
OUT
m + 2
t OH
t AC
CAS Latency - BANK 4
t RP - BANK 0
©2001 Micron Technology, Inc. All rights reserved.
D
128Mb: x32 SDRAM
T7
OUT
NOP
m + 3
t OH
Timing Diagrams
t AC
BANK 0
T8
ROW
ACTIVE
ROW
D
OUT
t RCD - BANK 0
t OH
DON’T CARE
UNDEFINED
t AC
b