LH540245U-20 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LH540245U-20' PDF : 46 Pages View PDF
2048 x 18/4096 x 18 Synchronous FIFOs
LH540235/45
WRITE-TOKEN PULSE
READ-TOKEN PULSE
WXO RXO
WCLK RCLK
WEN
REN
LD
EMODE
VCC
RS
OE
18
D[17:0] Q[17:0]
18
PAF
PAE
FF
EF
FL WXI RXI
VCC
WXO RXO
WCLK RCLK
WEN
REN
LD
EMODE
VCC
RS
OE
18
18
DATA IN
D[17:0] Q[17:0] DATA OUT
18
PAF
PAE
FF
EF
FL WXI RXI
VCC
WRITE CLOCK
WXO RXO
WCLK RCLK
READ CLOCK
WRITE ENABLE
WEN
REN
READ ENABLE
RESET
LOAD
LD
EMODE
VCC
RS
OE
OUTPUT ENABLE
18
D[17:0] Q[17:0]
18
PAF
PAE
FF
(COMPOSITE
FLAGS)
FF
EF
FL WXI RXI
PAF
FIRST LOAD
NOTES:
Grounding FL designates the 'first-load' FIFO ('master' FIFO). The remaining FIFOs are 'slave' FIFOs.
BOLD ITALIC = Enhanced Operating Mode.
Figure 28. Synchronous-FIFO Depth-Cascading Using
IDT-Compatible ‘Token-Passing’ Scheme
18
EF
(COMPOSITE
FLAGS)
PAE
540235-27
39
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