MT48H4M16LFB4-75 Micron Technology Inc, MT48H4M16LFB4-75 Datasheet - Page 56

• Manufacturer Part Number: MT48H4M16LFB4-75
• Manufacturer: Micron Technology Inc
• Type: SDRAMr

Specifications of MT48H4M16LFB4-75

• Organization: 4Mx16
• Density: 64Mb
• Address Bus: 14b
• Maximum Clock Rate: 133MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: VFBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 50mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Figure 41:
PDF: 09005aef8237ed98, Source: 09005aef8237ed68
64mb_x16_Mobile SDRAM_Y24L_2.fm - Rev. B 10/06 EN
COMMAND
A0-A9, A11
BA0, BA1
DQM
CLK
A10
CKE
DQ
t CMS
t CKS
Alternating Bank Read Accesses
t AS
t AS
t AS
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, the burst length = 4, the CAS latency = 2.
2. 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
BANK 3
ACTIVE
ROW
T4
ROW
D
56
OUT
t OH
t AC
m
t RCD - BANK 3
D
T5
OUT
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NOP
m + 1
t OH
t AC
ENABLE AUTO PRECHARGE
64Mb: 4 Meg x 16 Mobile SDRAM
COLUMN b 2
BANK 3
D
T6
OUT
READ
m + 2
t OH
t AC
CAS Latency - BANK 3
t RP - BANK 0
D
T7
OUT
NOP
m + 3
t OH
t AC
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BANK 0
T8
ROW
ACTIVE
ROW
D
DON’T CARE
UNDEFINED
OUT
t RCD - BANK 0
t OH
t AC
b