MT41J256M4JP-15E:G Micron Technology Inc, MT41J256M4JP-15E:G Datasheet - Page 88

• Manufacturer Part Number: MT41J256M4JP-15E:G
• Description: IC DDR3 SDRAM 1GBIT 78FBGA
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT41J256M4JP-15E:G

• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 667MHz
• Interface: Parallel
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 78-TFBGA
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Table 55: Electrical Characteristics and AC Operating Conditions for Speed Extensions (Continued)
Notes 1–8 apply to the entire table
Parameter
ACTIVATE-to-PRECHARGE command period
ACTIVATE-to-ACTIVATE command period
ACTIVATE-to-ACTIVATE minimum com-
mand
period
Four ACTIVATE
windows
Write recovery time
Delay from start of internal WRITE
transaction to internal READ command
READ-to-PRECHARGE time
CAS#-to-CAS# command delay
Auto precharge write recovery + precharge time
MODE REGISTER SET command cycle time
MODE REGISTER SET command update delay
MULTIPURPOSE REGISTER READ burst end to mode register set for multi-
purpose register exit
ZQCL command: Long calibration time POWER-UP and RESET operation
ZQCS command: Short calibration time
Exit reset from CKE HIGH to a valid command
1KB page size
2KB page size
1KB page size
2KB page size
Normal operation
Initialization and Reset Timing
Calibration Timing
Symbol
t
t
ZQoper
t
t
t
t
ZQinit
t
MPRR
t
t
t
t
MOD
t
t
MRD
t
FAW
t
WTR
ZQcs
RRD
CCD
DAL
RAS
t
XPR
WR
RTP
RC
MIN = greater of 4CK or 5ns
MIN = greater of 4CK or 6ns
MAX = max(512nCK, 640ns)
MAX = max(256nCK, 320ns)
MIN = WR +
MIN = greater of 12CK or
MAX = max(64nCK, 80ns)
MIN = greater of 4CK or
MIN = greater of 4CK or
MIN = greater of 5CK or
t
MIN = 15ns; MAX = n/a
MIN = 4CK; MAX = n/a
MIN = 4CK; MAX = n/a
MIN = 1CK; MAX = n/a
RFC + 10ns; MAX = n/a
See Speed Bin Tables
See Speed Bin Tables
Min
(page 72) for
25
35
(page 72) for
7.5ns; MAX = n/a
7.5ns; MAX = n/a
15ns; MAX = n/a
DDR3-1866
MAX = n/a
MIN = n/a
MIN = n/a
MIN = n/a
t
RP/
t
CK (AVG);
t
Max
RAS
t
RC
–
–
Units
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
ns
ns
ns
ns
ns
31, 32, 33
Notes
31, 32
31, 34
31, 32
31
31
31
31
31