LH6V4256D-10 데이터 시트보기 (PDF) - Sharp Electronics

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LH6V4256D-10

CMOS 1M(256K x 4) dynamic RAM

Sharp Electronics 

LH6V4256

CMOS 1M (256K × 4) Dynamic RAM

ABSOLUTE MAXIMUM RATINGS

PARAMETER

RATING

UNIT

NOTE

Applied voltage on all pins

– 0.5 to +5.5

V

1

Output short circuit current

50

mA

Power dissipation

1.0

W

Operating temperature

Storage temperature

0 to +70

°C

– 65 to +150

°C

NOTE:

1. The maximum applicable voltage on any pin with respect to VSS.

RECOMMENDED OPERATING CONDITIONS (TA = 0 to +70°C)

PARAMETER

SYMBOL MIN. TYP.

MAX.

UNIT

Supply voltage

Input voltage

VCC

3.0

3.3

3.6

V

VSS

0

0

0

V

VIH

2.3

VCC + 0.3

V

VIL

– 0.3

0.6

V

CAPACITANCE (TA = 0 to +70°C, f = 1 MHz, VCC = 3.3 V ±0.3 V)

PARAMETER

CONDITIONS

SYMBOL

MIN.

MAX.

UNIT

Input capacitance

Input/output capacitance

A0 – A8

RAS, OE, CAS, WE

I/O1 – I/O4

CIN1

CIN2

COUT1

6

pF

7

pF

7

pF

DC ELECTRICAL CHARACTERISTICS (TA = 0 to +70°C, VCC = 3.3 V ±0.3 V)

PARAMETER

CONDITIONS

SYMBOL MIN. MAX. UNIT NOTE

Average supply current in normal operation

ICC1

Supply current in

standby mode

RAS = CAS ≥ VCC – 0.2 V

ICC2

35 mA 1, 2, 3

0.15 mA

1

Average supply current in fast page mode

Average supply current in CAS before RAS refresh cycle

Average supply current in RAS only refresh cycle

Input leakage current

0 V ≤ VIN ≤ 4.8 V

0 V except on test pins

ICC3

ICC4

ICC5

ILI

30 mA 1, 2

35 mA 1, 2, 3

35 mA 1, 2, 3

–10 10 µA

Output leakage current

0 V ≤ VOUT ≤ 4.8 V

Output in high-impedance state

ILO

–10 10 µA

Output ‘High’ Voltage

Output ‘Low’ Voltage

IOUT = – 2 0 0 µA

IOUT = 1 mA

VOH

2.15

V

VOL

0.4 V

NOTES:

1. Specified values are with outputs open.

2. ICC1, ICC3, ICC4, and ICC5 depend on cycle time.

3. Cycle time is 190 ns. Address transition is once at RAS = VIH and once at RAS = VIL.

2-18

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