MT48LC4M16A2P-75 Micron Technology Inc, MT48LC4M16A2P-75 Datasheet - Page 68

• Manufacturer Part Number: MT48LC4M16A2P-75
• Manufacturer: Micron Technology Inc
• Type: SDRAMr

Specifications of MT48LC4M16A2P-75

• Organization: 4Mx16
• Density: 64Mb
• Address Bus: 14b
• Access Time (max): 6/5.4ns
• Maximum Clock Rate: 133MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 140mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Figure 51:
DQML, DQMH
PDF: 09005aef80725c0b/Source: 09005aef806fc13c
64MSDRAM_2.fm - Rev. N 12/08 EN
COMMAND
A0–A9, A11
BA0, BA1
DQM /
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
BANK 0
T0
ROW
ROW
Alternating Write Accesses
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.
2. x16: A8, A9 and A11 = “Don’t Care”
ENABLE AUTO PRECHARGE
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
t CMS
t CL
t DS
COLUMN m 2
BANK 0
WRITE
T2
D
IN
t CMH
t CH
t DH
m
t DS
D
IN
T3
NOP
m + 1
t DH
t DS
D
ACTIVE
BANK 1
IN
T4
ROW
ROW
m + 2
68
t DH
t RCD - BANK 1
t DS
D
IN
T5
NOP
m + 3
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t DH
t WR - BANK 0
ENABLE AUTO PRECHARGE
t DS
COLUMN b 2
BANK 1
WRITE
T6
D
IN
t DH
b
64Mb: x4, x8, x16 SDRAM
t DS
D
t RP - BANK 0
NOP
IN
T7
b + 1
t DH
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t DS
Timing Diagrams
D
IN
NOP
T8
b + 2
t DH
t DS
D
BANK 0
ACTIVE
IN
T9
ROW
ROW
b + 3
t
t
RCD - BANK 0
WR - BANK 1
t DH
DON’T CARE