lh5164av Sharp Microelectronics of the Americas, lh5164av Datasheet - Page 8

• Manufacturer Part Number: lh5164av
• Manufacturer: Sharp Microelectronics of the Americas

LH5164AV
8
NOTES:
1. t
2. t
3. t
4. The writing occurs during an overlapping period of CE
5. When I/O pins are in the output state, input signals with the opposite logic level must not be applied.
HIGH transition, to the time when the writing is finished.
CW
WR
AS
is defined as the time from address change to writing start.
is defined as the time from the last occuring transition, either CE
is defined as the time from writing finish to address change.
A
0
D
- A
CE
CE
WE
OUT
D
OE
12
IN
1
2
Figure 6. Write Cycle (OE Controlled)
(NOTE 3)
t
AS
1
= 'LOW,' CE
t
OHZ
t
AW
2
1
= 'HIGH,' and WE = 'LOW' (t
t
LOW transition or CE
WC
(NOTE 1)
(NOTE 5)
t
t
CW
CW
(NOTE 4)
t
WP
t
DW
2
DATA VALID
CMOS 64K (8K
WP
(NOTE 2)
).
t
t
t
WR
WR
WR
t
DH
8) Static RAM
5164AV-5