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SMJ626162 Datasheet, PDF (36/42 Pages) Texas Instruments – 524288 BY 16-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY | |||
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CLK
DQ0 â DQ7
DQML
DQ8 â DQ15
DQMU
RAS
CAS
W
A10
A11
A0 â A9
CS
CKE
ACTV B
ACTV T
READ B
DEAC B
WRT T
e
f
g
h
a
b
c
d
R0
R1
R0
C0 R1
C1
BURST
TYPE
BANK
ROW
BURST CYCLEâ
(D/Q) (B/ T ) ADDR
a
b
c
d
e
f
g
h
Q
T
R0
C0 C0 + 1 C0 + 2 C0 + 3
D
B
R1
C1 C1 + 1 C1 + 2 C1 + 3
â Column-address sequence depends on programmed burst type and starting column address C0 and C1 (see Table 5).
NOTE A: This example illustrates minimum tRCD and nEP read burst, and a minimum tRWL write burst for the â626162-15 at 66 MHz.
Figure 31. Data Mask With Byte Control (read latency = 3, burst length = 4)
DEAC T
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