m66281fp Renesas Electronics Corporation., m66281fp Datasheet - Page 10

• Manufacturer Part Number: m66281fp
• Description: 5120 ? 8-bit ? 2 Line Memory
• Manufacturer: Renesas Electronics Corporation.

M66281FP
Notes on Reading of Written Data in Read Disable
When writing operation is performed at n cycle and n + 1 cycle on the writing side in the read disable period after n − 1
cycle on the reading side, output at n cycle and n + 1 cycle after read enable is invalid. For output at n + 2 cycle and
after, however, data written in the read disable period is to be output.
WCK
Dn
RCK
REB
Q0n
(Q1n)
REJ03F0254-0200 Rev.2.00 Sep 14, 2007
Page 10 of 15
n − 1 cycle
n − 1 cycle
t
AC
t
(n − 1)
(n − 1)
DS
t
DH
n cycle
t
ODIS
(n)
n + 1 cycle n + 2 cycle
(n + 1)
Disable cycle
HIGH-Z
(n + 2)
n + 3 cycle n + 4 cycle n + 5 cycle n + 6 cycle n + 7 cycle
(n + 3)
(n + 4)
t
OEN
n cycle
(n + 5)
Invalid
n + 1 cycle n + 2 cycle
(n + 6)
WEB = "L"
WRESB = "H"
RRESB = "H"
Invalid
(n + 7)
(n + 2)