LH543601 datasheet(7/43 Pages) SHARP

Part #	LH543601

Description	256 x 36 x 2 Bidirectional FIFO

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Manufacturer	SHARP [Sharp Corporation]

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

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ABSOLUTE MAXIMUM RATINGS

1

PARAMETER

RATING

Supply Voltage to VSS Potential

–0 .5 V to 7 V

Signal Pin Voltage to VSS Potential

3

–0 .5 V to VCC + 0.5 V

DC Output Current 2

± 40 mA

Storage Temperature Range

–6 5

oC to 150oC

Power Dissipation (Package Limit)

2 Watts (Quad Flat Pack)

NOTES:

1.

Stresses greater than those listed under ‘Absolute Maximum Ratings’ may cause

permanent damage to the device. This is a stress rating for transient conditions only.

Functional operation of the device at these or any other conditions outside those indicated

in the ‘Operating Range’ of this specification is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect reliability.

2.

Outputs should not be shorted for more than 30 seconds. No more than one output should be

shorted at any time.

3.

Negative undershoot of 1.5 V in amplitude is permitted for up to 10 ns, once per cycle.

OPERATING RANGE

SYMBOL

PARAMETER

MIN

MAX

UNIT

TA

Temperature,

Ambient

070

oC

VCC

Supply Voltage

4.5

5.5

V

VSS

Supply Voltage

00

V

VIL

Logic LOW

Input Voltage 1

–0 .5

0.8

V

VIH

Logic HIGH

Input Voltage

2.2

Vcc +

0.5

V

NOTE:

1.

Negative undershoot of 1.5 V in amplitude is permitted

for up to 10 ns, once per cycle.

DC ELECTRICAL CHARACTERISTICS (Over Operating Range)

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ILI

Input Leakage Current

VCC = 5.5 V, VIN = 0 V To VCC

–10

10

µA

ILO

I/O Leakage Current

OE

≥ VIH, 0 V ≤ VOUT ≤ VCC

–10

10

µA

VOL

Logic LOW Output Voltage

IOL = 8.0 mA

0.4

V

VOH

Logic HIGH Output Voltage

IOH = –8 .0 mA

2.4

V

ICC

Average Supply Current 1, 2

Measured at fCC = max

180

280

mA

ICC2

Average Standby Supply

Current 1, 3

All Inputs = VIHMIN (Clocks idle)

13

25

mA

ICC3

Power-Down Supply

Current 1

All Inputs = VCC – 0.2 V (Clocks idle)

0.002

0.4

mA

ICC4

Power-Down Supply

Current 1, 3

All Inputs = VCC – 0.2 V

(Clocks at fcc = max)

610

mA

NOTES:

1.

ICC, ICC2, ICC3, and ICC4 are dependent upon actual output loading, and ICC and ICC4 are also dependent on cycle rates. Specified values are

with outputs open (for ICC: CL = 0 pF); and, for ICC and ICC4, operating at minimum cycle times.

2.

ICC (MAX.) using worst case conditions and data pattern. ICC (TYP.) using VCC = 5 V and and ‘average’ data pattern.

3.

ICC2 (TYP.) and ICC4 (TYP.) using VCC = 5 V and TA = 25

°C.

543601-39

TO ASSOCIATED

INPUT BUFFER,

IF ANY (SEE NOTE)

FROM PORT

INTERNAL

DATA BUS

(OR CONTROL

GATE)

DnA/B (OR FLAG)

15

Ω

NOTE: Output-only pins have no

associated input buffer.

Figure 4. Structure of Series Resistor

Input/Output Interface

256

× 36 × 2 Bidirectional FIFO

LH543601

7

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