LH540235M-20 SHARP [Sharp Electrionic Components], LH540235M-20 Datasheet - Page 39

• Manufacturer Part Number: LH540235M-20
• Description: 2048 x 18 / 4096 x 18 Synchronous FIFOs
• Manufacturer: SHARP [Sharp Electrionic Components]

2048 x 18/4096 x 18 Synchronous FIFOs
(COMPOSITE
BOLD ITALIC = Enhanced Operating Mode.
NOTES:
Grounding FL designates the 'first-load' FIFO ('master' FIFO). The remaining FIFOs are 'slave' FIFOs.
PAF
18
FLAGS)
FF
RESET
LOAD
WRITE CLOCK
WRITE ENABLE
18
18
18
Figure 28. Synchronous-FIFO Depth-Cascading Using
DATA IN
IDT-Compatible ‘Token-Passing’ Scheme
FIRST LOAD
V
V
CC
CC
LD
RS
PAF
FF
LD
RS
PAF
FF
LD
RS
PAF
FF
WEN
D[17:0]
WEN
D[17:0]
WEN
D[17:0]
WCLK
WCLK
WCLK
FL
FL
FL
WXO
WXO
WXO
WXI
WXI
WXI
EMODE
EMODE
EMODE
RCLK
Q[17:0]
RCLK
Q[17:0]
RCLK
Q[17:0]
RXI
RXO
RXO
RXO
REN
REN
RXI
REN
PAE
RXI
PAE
PAE
OE
OE
OE
EF
EF
EF
DATA OUT
READ CLOCK
READ ENABLE
OUTPUT ENABLE
V
V
V
CC
CC
CC
READ-TOKEN PULSE
WRITE-TOKEN PULSE
18
18
18
(COMPOSITE
LH540235/45
FLAGS)
18
540235-27
PAE
EF
39