m66281fp Renesas Electronics Corporation., m66281fp Datasheet - Page 11

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

M66281FP
Variable Length Delay Bit
1 Line (5120 Bits) Delay
Input data can be written at the rising edge of WCK after write cycle and output data is read at the rising edge of RCK
before read cycle to easily make 1 line delay.
WCK
RCK
WRESB
RRESB
Dn
Q0n
(Q1n)
n-bit Delay Bit
(Reset at cycles according to the delay length)
REJ03F0254-0200 Rev.2.00 Sep 14, 2007
Page 11 of 15
WRESB
RRESB
Q0n
(Q1n)
WCK
RCK
Dn
t
t
RESS
RESS
t
t
RESH
RESH
0 cycle
0 cycle
t
t
DS
DS
(0)
(0)
t
t
DH
DH
1 cycle
1 cycle
(1)
(1)
2 cycle
2 cycle
5120 cycle
m cycle
(2)
(2)
(n − 3)
(5117)
n − 2 cycle n − 1 cycle
5118 cycle 5119 cycle
(n − 2)
(5118)
t
RESS
(n − 1)
(5119)
t
RESH
5120 cycle
t
n cycle
AC
t
AC
(0')
(0')
t
DS
t
(0')
(0)
DS
(0')
t
t
(0)
n + 1 cycle
DH
OH
t
t
5121 cycle
DH
OH
(1')
(1')
(1')
(1)
(1')
(1)
n + 2 cycle
5122 cycle
(2')
WEB, REB = "L"
m ≥ 3
(2')
WEB, REB = "L"
(2')
(2)
n + 3 cycle
(2')
(2)
(3')
(3')
(3)
(3')
(3)