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IS46LR16640C Scheda tecnica(PDF) 12 Page - Integrated Silicon Solution, Inc

Il numero della parte IS46LR16640C
Spiegazioni elettronici  1Gb (x16, x32) Mobile DDR SDRAM
PDF  47 Pages
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Produttore elettronici  ISSI [Integrated Silicon Solution, Inc]
Homepage  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS46LR16640C Scheda tecnica(HTML) 12 Page - Integrated Silicon Solution, Inc

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12
Rev. 0A | October 2022
www.issi.com - dram@issi.com
IS43/46LR32320C
IS43/46LR16640C
Notes:
1.
PCG = PRECHARGE command, MRS = LOAD MODE REGISTER command, AREF = AUTOREFRESH command,
ACT = ACTIVE command, RA = Row address, BA = Bank address.
2.
NOP or DESELECT commands are required for at least 200μs.
3.
Other valid commands are possible.
4.
NOPs or DESELECTs are required during this time.
Figure6 : Power up sequence
ACT
BA
BA0=L,
BA1=H
BA0=L,
BA1=L
All
Banks
MRS
MRS
AREF
AREF
PCG
NOP
NOP2
NOP3
CLK
/CLK
CKE
T0
Command1
T1
Ta0
tCL
DM
A0~A9, A11-A12(A13)
Tb0
Tc0
Td0
Te0
Tf0
tCK
LVCMOS
HIGH LEVEL
A10
BA0, BA1
DQS, DQ
High-Z
T = 200 µs
tIS
RA
CODE
CODE
tIS
tIH
RA
CODE
CODE
tIS
tIH
tIS
tIH
tRP4
tRFC4
tRFC4
tMRD4
tMRD4
tIH
VDDQ
VDD
tIS
tIH
Load Standard Mode
Register
Load Extended Mode
Register
Power-up: VDD and CLK stable
Don’t care



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