LH540235M-20 SHARP [Sharp Electrionic Components], LH540235M-20 Datasheet - Page 27

• 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
LH540235/45
TIMING DIAGRAMS (cont’d)
t
t
CLKH
CLKL
WCLK
t
ENS
t
ENH
WEN
t
PAE
q + 1 words
PAE
q words in FIFO
in FIFO
t
PAE
RCLK
t
ENS
REN
NOTE:
1. PAE offset = q. Also, number of data words written into FIFO already = q.
540235-13
Figure 14. Programmable-Almost-Empty Flag Timing,
IDT-Compatible Operating Mode
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