M66257 Mitsubishi, M66257 Datasheet - Page 6

• Manufacturer Part Number: M66257
• Description: 5120 x 8-BIT x 2 LINE MEMORY (FIFO)
• Manufacturer: Mitsubishi

OPERATING TIMING
• Write cycle
• Write reset cycle
6
WCK
WE
D
WCK
WRES
D
n
n
Cycle n–1
Cycle n
t
t
WCK
WCK
t
t
DS
DS
(n–1)
(n)
(n)
t
t
t
t
DH
NRESH
DH
WCKH
Cycle n+1
Cycle n
t
t
WCKL
RESS
t
DS
( n+1)
(n)
t
t
DH
WEH
Cycle n+2
t
NWES
Reset cycle
t
DS
(n+2)
t
DH
Disable cycle
t
t
NWEH
RESH
Cycle 0
t
NRESS
t
WES
(0)
5120
Cycle n+3
Cycle 1
MITSUBISHI DIGITAL ASSP
WRES = “H”
8-BIT
WE = “L”
(n+3)
(1)
Cycle n+4
Cycle 2
2 LINE MEMORY (FIFO)
(n+4)
M66257FP
(2)