lf4415 LOGIC Devices Inc., lf4415 Datasheet - Page 28

• Manufacturer Part Number: lf4415
• Description: Video Memory / Fifo
• Manufacturer: LOGIC Devices Inc.

Qx[11:0]
Figure 16 - Write Pointer Override using 24bit External Address Port
Figure 17 - Output Enable and Disable
ADDR
LOGIC Devices Incorporated
Dx[23:0]
OEx
WCLK0
WSET0
23–0
NOTE:
- WSET programmed to be active LOW (full-time write pointer override
- D0 will be written to Address 0, D1 to Address 1, etc...
WEN= LOW
Dn
RDWR = LOW
www.logicdevices.com
Dn+1
MODE= x0xx
t
RWS S S
t
DS
D
0
1
t
DH
t
D
DIS
1
28
D
2
HIGH IMPEDANCE
PRELIMINARY
High Performance Memory Product
D
3
t
ENA
Video Memory / FIFO
D
4
January 23, 2008 LDS-44xx-A
FRAME
MEMORY
LF4460
LF4430
LF4415