LY61L2568AML-10I datasheet(4/11 Pages) LYONTEK

Part #	LY61L2568AML-10I

Description	256K X 8 BIT HIGH SPEED CMOS SRAM

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Manufacturer	LYONTEK [Lyontek Inc.]

Direct Link	http://www.lyontek.com.tw

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LY61L2568A

Rev. 1.0

256K X 8 BIT HIGH SPEED CMOS SRAM

Lyontek Inc. reserves the rights to change the specifications and products without notice.

5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.

TEL: 886-3-6668838

FAX: 886-3-6668836

3

®

ABSOLUTE MAXIMUN RATINGS*

PARAMETER

SYMBOL

RATING

UNIT

Voltage on VCC relative to VSS

VT1

-0.5 to 4.6

V

Voltage on any other pin relative to VSS

VT2

-0.5 to VCC+0.5

V

Operating Temperature

TA

0 to 70(C grade)

℃

-40 to 85(I grade)

Storage Temperature

TSTG

-65 to 150

℃

Power Dissipation

PD

1

W

DC Output Current

IOUT

50

mA

*Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress

rating only and functional operation of the device or any other conditions above those indicated in the operational sections of this

specification is not implied. Exposure to the absolute maximum rating conditions for extended period may affect device reliability.

TRUTH TABLE

MODE

CE#

OE#

WE#

I/O OPERATION

SUPPLY CURRENT

Standby

H

X

High-Z

ISB,ISB1

Output Disable

L

H

High-Z

ICC,ICC1

Read

L

H

DOUT

ICC,ICC1

Write

L

X

L

DIN

ICC,ICC1

Note:

H = VIH, L = VIL, X = Don't care

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

*4

MAX.

UNIT

Supply Voltage

VCC

-8

3.0

3.3

3.6

V

-10/-12

2.7

3.3

3.6

V

Input High Voltage

VIH

*1

2.2

-

VCC+0.3

V

Input Low Voltage

VIL

*2

- 0.3

-

0.8

V

Input Leakage Current

ILI

VCC ≧ VIN ≧ VSS

- 1

-

1

µA

Output Leakage

Current

ILO

VCC ≧ VOUT ≧ VSS,

Output Disabled

- 1

-

1

µA

Output High Voltage

VOH

IOH = -8mA

2.4

-

V

Output Low Voltage

VOL

IOL = 4mA

-

0.4

V

Average Operating

Power supply Current

ICC

Cycle time = Min.

CE# = VIL, II/O = 0mA,

Others at VIL or VIH

-8

-

65

80

mA

-10

-

50

70

mA

-12

-

45

60

mA

Average Operating

Power supply Current

ICC1

CE# ≦0.2,

Others at 0.2V or Vcc-0.2V

II/O = 0mA;f=max

-8

-

50

60

mA

-10

-

40

55

mA

-12

-

35

50

mA

Standby Power

Supply Current

ISB

CE# =VIH, Others at VIL or VIH

--

30

mA

ISB1

CE# ≧VCC - 0.2V,

Others at 0.2V or VCC - 0.2V

-

2

10

mA

Notes:

1. VIH(max) = VCC + 2.0V for pulse width less than 6ns.

2. VIL(min) = VSS - 2.0V for pulse width less than 6ns.

3. Over/Undershoot specifications are characterized on engineering evaluation stage, not for mass production test.

4. Typical values are included for reference only and are not guaranteed or tested.

Typical valued are measured at VCC = VCC(TYP.) and TA = 25℃

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