upd44645182af5-fq1-a Renesas Electronics Corporation., upd44645182af5-fq1-a Datasheet - Page 12

• Manufacturer Part Number: upd44645182af5-fq1-a
• Description: 72m-bit Qdrtm Ii Sram 2-word Burst Operation
• Manufacturer: Renesas Electronics Corporation.

Byte Write Operation
[
Remarks 1. H : HIGH, L : LOW, → : rising edge.
[
Remarks 1. H : HIGH, L : LOW, → : rising edge.
[
Remarks 1. H : HIGH, L : LOW, → : rising edge.
12
μ
μ
μ
Write D0 to D8
Write nothing
Write D0 to D17
Write D0 to D8
Write D9 to D17
Write nothing
Write D0 to D35
Write D0 to D8
Write D9 to D17
Write D18 to D26
Write D27 to D35
Write nothing
PD44645092A-A]
PD44645182A-A]
PD44645362A-A]
Operation
Operation
Operation
2. Assumes a WRITE cycle was initiated. BW0# can be altered for any portion of the BURST WRITE
2. Assumes a WRITE cycle was initiated. BW0# and BW1# can be altered for any portion of the BURST
2. Assumes a WRITE cycle was initiated. BW0# to BW3# can be altered for any portion of the BURST
operation provided that the setup and hold requirements are satisfied.
WRITE operation provided that the setup and hold requirements are satisfied.
WRITE operation provided that the setup and hold requirements are satisfied.
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
K
−
−
K
−
−
−
−
K
−
−
−
−
−
−
Preliminary Data Sheet M19958EJ1V0DS
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
L → H
K#
K#
K#
−
−
−
−
−
−
−
−
−
−
−
−
μ
PD44645092A-A, 44645182A-A, 44645362A-A
BW0#
BW0#
BW0#
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
BW1#
BW1#
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
1
BW2#
0
0
1
1
1
1
0
0
1
1
1
1
BW3#
0
0
1
1
1
1
1
1
0
0
1
1