LH540235M-20 SHARP [Sharp Electrionic Components], LH540235M-20 Datasheet - Page 29
LH540235M-20
Manufacturer Part Number
LH540235M-20
Description
2048 x 18 / 4096 x 18 Synchronous FIFOs
Manufacturer
SHARP [Sharp Electrionic Components]
Datasheet
1.LH540235M-20.pdf
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2048 x 18/4096 x 18 Synchronous FIFOs
TIMING DIAGRAMS (cont’d)
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.
WCLK
RCLK
WEN
REN
PAF
Figure 16. Programmable Almost-Full-Flag Timing,
IDT-Compatible Operating Mode
t
CLKH
t
t
ENS
CLKL
(1)
t
ENH
t
PAF
t
2048 - p words
ENS
in FIFO (2)
t
PAF
2047 - p words
in FIFO (3)
LH540235/45
540235-14
29
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