LH540215 datasheet(9/48 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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ABSOLUTE MAXIMUM RATINGS

PARAMETER

RATING

Supply Voltage to VSS Potential

– 0.5 V to 7 V

Signal Pin Voltage to VSS Potential

– 0.5 V to VCC + 0.5 V

DC Output Current

1

±75 mA

Temperature Range with Power Applied

2

–55

°C to 125°C

Storage Temperature Range

– 65

°C to 150°C

Power Dissipation (PLCC Package Limit)

2 W

NOTES:

1.

Only one output may be shorted at a time, for a period not exceeding 30 seconds.

2.

Measured with clocks idle.

OPERATING RANGE

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

TA

Temperature, Ambient

070

C

VCC

Supply Voltage

4.5

5.5

V

VSS

Supply Voltage

0

V

VIL

Logic LOW Input Voltage

–0 .5

0.8

V

VIH

Logic HIGH Input Voltage

2.0

VCC + 0.5

V

DC ELECTRICAL CHARACTERISTICS (Over Operating Range)

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

MAX.

UNIT

ILI

Input Leakage

VCC = 5.5 V, VIN = 0 V to VCC

–10

10

µA

ILO

I/O Leakage

OE

≥ VIH, 0 V ≤ VOUT ≤ VCC

–10

10

µA

VOH

Output HIGH Voltage

IOH = –12.0 mA

2.4

V

VOL

Output LOW Voltage

IOL = 16.0 mA

0.4

V

ICC

Average Operating Supply Current

1

Measured at fCC = 50 MHz

190

mA

ICC2

Average Standby Supply Current

All inputs = VIH MIN. (clocks idle)

25

mA

ICC3

Power-Down Supply Current

All inputs = VCC – 0.2 V (clocks idle)

1

mA

NOTE:

1.

Output load is disconnected.

AC TEST CONDITIONS

PARAMETER

RATING

Input Pulse Levels

VSS to 3 V

Input Rise and Fall Times

(10% to 90%)

3 ns

Input Timing Reference Levels

1.5 V

Output Timing Reference Levels

1.5 V

Output Load,

Timing Tests

(Figure 4)

R1 (Top Resistor)

1.1k

Ω

R2 (Bottom Resistor)

680

Ω

CL (Load Capacitance)

30 pF

CAPACITANCE

1, 2

PARAMETER

RATING

CIN (Input Capacitance) VIN = 0 V

8 pF

COUT (Output Capacitance) VOUT = 0 V

8 pF

NOTES:

1.

Sample tested only.

2.

Capacitances are maximum values at 25°C, measured at

1.0 MHz, with VIN = 0 V.

540215-3

DEVICE

UNDER

TEST

+5 V

30 pF

1.1 k

Ω

680

Ω

INCLUDES JIG AND SCOPE CAPACITANCES

*

Figure 4. Output Load Circuit

BOLD ITALIC = Enhanced Operating Mode

512 x 18/1024 x 18 Synchronous FIFO

LH540215/25

9

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