LH540215 datasheet(4/48 Pages) SHARP

Part #	LH540215

Description	512 x 18 / 1024 x 18 Synchronous FIFO

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Manufacturer	SHARP [Sharp Corporation]

Direct Link	http://sharp-world.com/

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D2

D0

D13

D15

D11

D12

D9

D10

D8

D7

D5

D6

D3

D4

D1

D14

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Q14

Q11

Q12

Q10

Q9

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Q8

Q5

Q6

Q4

Q13

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64-PIN TQFP

VCC

VSS

EMODE

*

BOLD ITALIC = Enhanced Operating Mode.

* This pin is V

CC on IDT pinout; if EMODE pin is simply

biased to VCC, part will behave identical to IDT functionality.

Figure 3. Pin Connections for 64-Pin TQFP Package

SUMMARY OF SIGNALS/PINS

NAME

D0 – D17

Data Inputs

RS

Reset

EMODE

Enhanced Operating Mode

WCLK

Write Clock

WEN

Write Enable

RCLK

Read Clock

REN

Read Enable

OE

Output Enable

LD

Load

FL

/RT

First Load/

Retransmit

RXI

/REN2

Read Expansion Input/

Read Enable 2

NAME

WXI

/WEN2

Write Expansion Input/

Write Enable 2

FF

Full Flag

PAF

Programmable Almost-Full Flag

WXO/HF

Write Expansion Output/Half-Full Flag

PAE

Programmable Almost-Empty Flag

EF

Empty Flag

RXO/

EF2

Read Expansion Output

/Empty Flag 2

Q0 – Q17

Data Outputs

VCC

Power

VSS

Ground

BOLD ITALIC = Enhanced Operating Mode

LH540215/25

512 x 18/1024 x 18 Synchronous FIFO

4

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Manufacturer	Part #	Datasheet	Description
Integrated Device Techn...	IDT72511	434Kb / 28P	PARALLEL BIDIRECTIONAL FIFO 512 x 18 & 1024 x 18
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Sharp Corporation	LH543611	475Kb / 57P	512 x 36 x 2 / 1024 x 36 x 2 Synchronous Bidirectional FIFO
Texas Instruments	SN74V215	590Kb / 43P	512 X 18, 1024 X 18, 2048 X 18, 4096 X 18 DSP-SYNC FIRST-IN, FIRST-OUT MEMORIES
	SN74V215	600Kb / 43P	512 X 18, 1024 X 18, 2048 X 18, 4096 X 18 DSP-SYNC FIRST-IN, FIRST-OUT MEMORIES
	SN74V215	555Kb / 40P	512 X 18, 1024 X 18, 2048 X 18, 4096 X 18 DSP-SYNC FIRST-IN, FIRST-OUT MEMORIES
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Integrated Device Techn...	IDT72V205	214Kb / 25P	3.3 VOLT CMOS SyncFIFO 256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18, and 4,096 x 18
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LH540215 Datasheet(PDF) 4 Page - Sharp Corporation

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