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
TIMING DIAGRAMS (cont’d)
tCLKH tCLKL
WCLK
tENS (1)
tENH
WEN
PAF
tPAF
2048 - p words
in FIFO (2)
tPAF
2047 - p words
in FIFO (3)
RCLK
tENS
REN
NOTES:
1. PAF offset = p. Number of data words written into FIFO already = 2047 - p for the LH540235 and 4095 - p for the LH540245.
2. 2048 - p words in FIFO for LH540235. 4096 - p words in FIFO for LH540245.
3. 2047 - p words in FIFO for LH540235. 4095 - p words in FIFO for LH540245.
540235-14
Figure 16. Programmable Almost-Full-Flag Timing,
IDT-Compatible Operating Mode
29
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