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LY6225616LLE

256K X 16 BIT LOW POWER CMOS SRAM

Unspecified 

®

Rev. 1.3

LY6225616

256K X 16 BIT LOW POWER CMOS SRAM

TRUTH TABLE

MODE

CE# OE# WE# LB#

Standby

HX

XX

Output Disable

LH

LH

Read

LL

LL

LL

Write

LX

LX

LX

Note: H = VIH, L = VIL, X = Don't care.

XX

XH

HL

HX

HL

HH

HL

LL

LH

LL

UB#

X

H

X

L

H

L

L

H

L

L

I/O OPERATION

DQ0-DQ7 DQ8-DQ15

High – Z

High – Z

High – Z

High – Z

High – Z

High – Z

DOUT

High – Z

DOUT

DIN

High – Z

DIN

High – Z

High – Z

High – Z

DOUT

DOUT

High – Z

DIN

DIN

SUPPLY CURRENT

ISB1

ICC,ICC1

ICC,ICC1

ICC,ICC1

DC ELECTRICAL CHARACTERISTICS

PARAMETER SYMBOL TEST CONDITION

Supply Voltage

Input High Voltage

Input Low Voltage

VCC

VIH*1

VIL*2

Input Leakage Current ILI VCC ≧ VIN ≧ VSS

Output Leakage

Current

ILO

VCC ≧ VOUT ≧ VSS,

Output Disabled

Output High Voltage

VOH IOH = -1mA

Output Low Voltage

VOL IOL = 2mA

Cycle time = Min.

- 45

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

- 55

Average Operating

Other pins at VIL or VIH - 70

Power supply Current

Cycle time = 1µs

ICC1 CE# = 0.2V , II/O = 0mA

Other pins at 0.2V or VCC - 0.2V

LL/LLE/LLI

Standby Power

Supply Current

CE# ≧VCC - 0.2V

ISB1 Others at 0.2V or

VCC - 0.2V

SL*5 25℃

SLE*5

SLI*5 40℃

SL/SLE/SLI

Notes:

1. VIH(max) = VCC + 3.0V for pulse width less than 10ns.

2. VIL(min) = VSS - 3.0V for pulse width less than 10ns.

3. Over/Undershoot specifications are characterized, not 100% tested.

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

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

5. This parameter is measured at VCC = 3.0V

MIN.

4.5

2.4

- 0.2

-1

-1

2.4

-

-

-

-

-

-

-

-

-

TYP. *4 MAX.

5.0

5.5

- VCC+0.3

-

0.6

-

1

UNIT

V

V

V

µA

-

1

µA

-

-

V

-

0.4

V

45

70

mA

40

60

mA

30

50

mA

4

10

mA

5

50

µA

3

10

µA

3

10

µA

5

25

µA

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

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