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R1QCA7218AB 数据表(PDF) 15 Page - Renesas Technology Corp

部件名 R1QCA7218AB
功能描述  72-Mbit DDRII SRAM 2-word Burst
Download  39 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

R1QCA7218AB 数据表(HTML) 15 Page - Renesas Technology Corp

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R1QBA72 / R1QEA72 Series
Rev. 0.11 : 2013.01.15
PAGE:15
Byte Write Truth Table ( x 36 )
Operation
K
/K
/BW0
/BW1
/BW2
/BW3
Write D0 to D35
-L
L
L
L
-
LL
LL
Write D0 to D8
-
L
HHH
-
L
HHH
Write D9 to D17
-H
L
H
H
-
HL
H
H
Write D18 to D26
-H
H
L
H
-
HH
L
H
Write D27 to D35
-H
H
H
L
-
HH
H
L
Write nothing
-
H
HHH
-
H
HHH
Notes:
1. H: high level, L: low level, : rising edge.
2. Assumes a WRITE cycle was initiated. /BWx can be altered for any portion of the BURST
WRITE operation provided that the setup and hold requirements are satisfied.
Common
Byte Write Truth Table ( x 18 )
Operation
K
/K
/BW0
/BW1
Write D0 to D17
-L
L
-
LL
Write D0 to D8
-L
H
-
LH
Write D9 to D17
-H
L
-
HL
Write nothing
-H
H
-
HH
Notes:
1. H: high level, L: low level, : rising edge.
2. Assumes a WRITE cycle was initiated. /BWx can be altered for any portion of the BURST
WRITE operation provided that the setup and hold requirements are satisfied.
Byte Write Truth Table ( x 9 )
Operation
K
/K
/BW
Write D0 to D8
-L
-
L
Write nothing
-H
-
H
Notes:
1. H: high level, L: low level, : rising edge.
2. Assumes a WRITE cycle was initiated. /BWx can be altered for any portion of the BURST
WRITE operation provided that the setup and hold requirements are satisfied.
Just Reference except R1Q2A**09 series
R10DS0170EJ0011


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