IS61LV2568-15K datasheet(3/8 Pages) ISSI

Part #	IS61LV2568-15K

Description	256K x 8 HIGH-SPEED CMOS STATIC RAM

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Manufacturer	ISSI [Integrated Silicon Solution, Inc]

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IS61LV2568

ISSI®

Integrated Silicon Solution, Inc. — 1-800-379-4774

3

Rev.A

12/19/00

DC ELECTRICAL CHARACTERISTICS (Over Operating Range)

Symbol Parameter

Test Conditions

Min.Max.Unit

VOH

Output HIGH Voltage

VCC = Min., IOH = –4.0 mA

2.4

—

V

VOL

Output LOW Voltage

VCC = Min., IOL = 8.0 mA

—

0.4

V

VIH

Input HIGH Voltage(1)

2.0

VCC + 0.3

V

VIL

Input LOW Voltage(1)

–0.3

0.8

V

ILI

Input Leakage

GND - VIN - VCC

Com.

–1

1

µA

Ind.

–5

5

ILO

Output Leakage

GND - VOUT - VCC, Outputs Disabled

Com.

–1

1

µA

Ind.

–5

5

Note:

1. VIL(min) = –0.3V (DC); VIL(min) = –2.0V (pulse width - 2.0 ns).

VIH(max) = VCC + 0.3V (DC); VIH(max) = Vcc + 2.0V (pulse width - 2.0 ns).

CAPACITANCE(1,2)

Symbol

Parameter

Conditions

Max.Unit

CIN

Input Capacitance

VIN = 0V

6

pF

CI/O

Input/Output Capacitance

VOUT = 0V

8

pF

Notes:

1. Tested initially and after any design or process changes that may affect these parameters.

2. Test conditions: TA = 25°C, f = 1 MHz, Vcc = 3.3V.

POWER SUPPLY CHARACTERISTICS(1) (Over Operating Range)

-8 ns

-10 ns

-12 ns

-15 ns

Symbol

Parameter

Test Conditions

Min.Max.

Min.Max. Unit

ICC

Vcc Operating

VCC = Max.,

CE = VIL

Com.

—

150

—

125

—

110

—

90

mA

Supply Current

IOUT = 0 mA, f = Max.

Ind.

—

160

—

135

—

120

—

100

ISB1

TTL Standby

VCC = Max.,Com.

—

50

—

40

—

35

—

30

mA

Current

VIN = VIH or VIL

Ind.

—

60

—

50

—

45

—

40

(TTL Inputs)

CE • VIH, f = max

ISB2

CMOS Standby

VCC = Max.,Com.

—

10

—

10

—

10

—

10

mA

Current

CE - VCC – 0.2V,Ind.

—

20

—

20

—

20

—

20

(CMOS Inputs)

VIN > VCC – 0.2V, or

VIN - 0.2V, f = 0

Note:

1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.

OPERATING RANGE

Range

Ambient Temperature

VCC

Commercial

0°C to +70°C

3.3V ± 10%

Industrial

–40°C to +85°C

3.3V ± 10%

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