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M65KG256AB Datasheet(PDF) 40 Page - STMicroelectronics

Part # M65KG256AB
Description  256Mbit (4 Banks x 4M x 16) 1.8V Supply, 133MHz Clock Rate, DDR Low Power SDRAM
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M65KG256AB Datasheet(HTML) 40 Page - STMicroelectronics

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7 DC and AC parameters
M65KG256AB
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Figure 19. Mode Register/Extended Mode Register Set Commands AC Waveforms
1.
To program the Extended Mode Register, BA0 and BA1 must be set to ‘0’ and ‘1’ respectively, and A0 to A11 to the
Extended Mode Register Data.
2.
MR Data is the value to be written to the Mode Register.
BA0-BA1
A10
DQ0-DQ15
(OUT)
K
Hi-Z
AI11214
W
t0
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
KE
E
RAS
CAS
Address
LDQM/
UDQM
High
tMRD
MR
Data (2)
tRP
Precharge
(optionnal)
Mode Register
Set
Bank D
Active
K
LDQS/
UDQS
Hi-Z
Read to
Bank D
Precharge
Bank D



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