MT48LC4M32B2P-7IT Micron Technology Inc, MT48LC4M32B2P-7IT Datasheet - Page 36

• 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 29:
Figure 30:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. L 1/09 EN
WRITE With Auto Precharge Interrupted by a READ
WRITE With Auto Precharge Interrupted by a WRITE
Notes:
Notes:
1. DQM is LOW.
1. DQM is LOW.
Internal
States
Internal
States
COMMAND
COMMAND
ADDRESS
ADDRESS
BANK m
BANK m
BANK n
BANK n
CLK
CLK
DQ
DQ
Page Active
Page Active
T0
NOP
T0
NOP
WRITE - AP
WRITE - AP
BANK n,
BANK n,
Page Active
Page Active
BANK n
BANK n
COL a
COL a
T1
T1
D
D
a
a
IN
IN
WRITE with Burst of 4
WRITE with Burst of 4
36
a + 1
a + 1
T2
T2
D
D
NOP
NOP
IN
IN
BANK m,
READ - AP
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a + 2
T3
COL d
T3
BANK m
D
NOP
IN
Interrupt Burst, Write-Back
t
WR - BANK n
READ with Burst of 4
BANK m,
WRITE - AP
COL d
T4
T4
BANK m
CL = 3 (BANK m)
D
NOP
t
d
IN
Interrupt Burst, Write-Back
WR - BANK n
WRITE with Burst of 4
T5
T5
d + 1
NOP
NOP
D
IN
Precharge
t
RP - BANK n
T6
T6
d + 2
D
NOP
D
NOP
OUT
t RP - BANK n
d
IN
Precharge
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
Register Definition
DON’T CARE
DON’T CARE
T7
T7
d + 3
D
d + 1
NOP
NOP
D
t WR - BANK m
OUT
t RP - BANK m
IN
Write-Back