LY62L256I datasheet(4/13 Pages) LYONTEK

Part #	LY62L256I

Description	32K X 8 BIT LOW POWER CMOS SRAM

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Manufacturer	LYONTEK [Lyontek Inc.]

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

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LY62L256

Rev. 1.2

32K X 8 BIT LOW POWER 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

®

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

*5

MAX.

UNIT

Supply Voltage

VCC

2.7

3.3

3.6

V

Input High Voltage

VIH

*1

2.0

-

VCC+0.5

V

Input Low Voltage

VIL

*2

- 0.5

-

0.6

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 = -1mA

2.4

3.0

-

V

Output Low Voltage

VOL

IOL = 2mA

-

0.4

V

-35

-

20

40

mA

-55

-

15

30

mA

ICC

Cycle time = Min.

CE# = VIL , II/O = 0mA

Other pins at VIL or VIH

-70

-

10

20

mA

Average Operating

Power supply Current

ICC1

Cycle time = 1µs

CE#≦0.2V and II/O = 0mA

other pins at 0.2V or VCC-0.2V

-

3

6

mA

ISB

CE# = VIH, others at VIL or VIH

-

1

3

mA

Standby Power

Supply Current

ISB1

CE#

V

≧ CC

- 0.2V

Others at 0.2V orVCC - 0.2V

-LL

-

0.5

20

*4

µA

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. 10µA for special request

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

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

CAPACITANCE (TA = 25 , f

℃

= 1.0MHz)

PARAMETER

SYMBOL

MIN.

MAX

UNIT

Input Capacitance

CIN

-

6

pF

Input/Output Capacitance

CI/O

-

8

pF

Note : These parameters are guaranteed by device characterization, but not production tested.

AC TEST CONDITIONS

Input Pulse Levels

0.2V to VCC - 0.2V

Input Rise and Fall Times

3ns

Input and Output Timing Reference Levels

1.5V

Output Load

CL = 30pF + 1TTL, IOH/IOL = -1mA/2mA

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