lf4415 LOGIC Devices Inc., lf4415 Datasheet - Page 3

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

LOGIC Devices Incorporated
Figure 1. Single-Channel FIFO Configuration
Figure 2. Dual Independent FIFOs Configuration
www.logicdevices.com
D0[11:0]
D1[11:0]
WCLR0
WSET0
WCLK0
WIEN0
WEN0
D0[11:0]
D1[11:0]
WCLR0
WCLR1
WSET0
WSET1
WCLK0
WCLK1
WIEN0
WIEN1
WEN0
WEN1
24
1
1
12
MODE
12
MODE
4
MODE
RDWRB
MODE
1
4
1
1
1
1
CONTROL
1
1
SDA
WRITE
CONTROL
CONTROL
SDA
SCL
WRITE
WRITE
I C
2
SCL
CHIP_ADDR
& CONTROL
ADDRESS
I C
2
WRITE
7
CHIP_ADDR
ADDRESS
ADDRESS
ADDRESS OVERRIDE
MEMORY ARRAY
WRITE
WRITE
3
MEMORY CELL ARRAY
MEMORY CELL ARRAY
7
ADDR[23:0]
6-0
CONTROL
15 Mbit
30 Mbit
60 Mbit
24
TDI
6-0
15 Mbit
30 Mbit
15 Mbit
30 Mbit
7 Mbit
7 Mbit
TDO
& CONTROL
ADDRESS
JTAG
READ
TMS
ADDRESS
ADDRESS
PRELIMINARY
READ
READ
TCK
TDI
CONTROL
READ
TDO
JTAG
CONTROL
CONTROL
High Performance Memory Product
READ
READ
TMS
FLAGS
TCK
8
FLAGS
FLAGS
8
8
1
6
0
1
Video Memory / FIFO
PF0
PE0
COLLIDE0
1
6
6
1
24
RCLR
RSET
RCLK
REN0
12
12
Q0[11:0]
Q1[11:0]
OE0
RCLR
RSET
RCLR
RSET
RCLK
REN0
RCLK
REN1
Q0[11:0]
Q1[11:0]
OE0
OE1
PF0
PE0
PE1
COLLIDE0
PF1
COLLIDE1
MEMORY
FRAME
January 23, 2008 LDS-44xx-A
LF4460
LF4430
LF4415