IDT72291L20TF datasheet(5/26 Pages) IDT

Part #	IDT72291L20TF

Description	CMOS SuperSync FIFO

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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5

COMMERCIALANDINDUSTRIAL

TEMPERATURERANGES

IDT72281/72291

CMOS SuperSync FIFO™ 65,536 x 9 and 131,072 x 9

Symbol

Rating

Commercial

Unit

VTERM

TerminalVoltage

–0.5 to +7

V

with respect to GND

TSTG

Storage

–55 to +125

° C

Temperature

IOUT

DC Output Current

–50 to +50

mA

DC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5V

± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = -40° to +85°C)

Symbol

Parameter

(1)

Conditions

Max.

Unit

CIN

(2)

Input

VIN = 0V

10

pF

Capacitance

COUT

(1,2)

Output

VOUT = 0V

10

pF

Capacitance

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Supply Voltage(Com’l & Ind’l)

4.5

5.0

5.5

V

GND

Supply Voltage(Com’l & Ind’l)

0

V

VIH

Input High Voltage

(Com’l & Ind’l)

2.0

—

V

VIL

(1)

Input Low Voltage

(Com’’ & Ind’l)

—

0.8

V

TA

OperatingTemperature

0

—

70

°C

Commercial

TA

OperatingTemperature

-40



85

°C

Industrial

NOTE

1. 1.5V undershoots are allowed for 10ns once per cycle.

IDT72281

IDT72291

Commercial & Industrial(1)

tCLK = 10, 15, 20 ns

Symbol

Parameter

Min.

Max.

Unit

ILI(2)

InputLeakageCurrent

–1

1

µA

ILO

(3)

OutputLeakageCurrent

–10

10

µA

VOH

Output Logic “1” Voltage, IOH = –2 mA

2.4

—

V

VOL

Output Logic “0” Voltage, IOL = 8 mA

—

0.4

V

ICC1(4,5,6)

Active Power Supply Current

—

80

mA

ICC2(4,7)

Standby Current

—

20

mA

NOTES:

1. Industrial temperature range product for 15ns and 20ns speed grade are available as a standard device.

2. Measurements with 0.4

≤ VIN ≤ VCC.

3.

OE

≥ VIH, 0.4 ≤ VOUT ≤ VCC.

4. Tested with outputs open (IOUT = 0).

5. RCLK and WCLK toggle at 20 MHz and data inputs switch at 10 MHz.

6. Typical ICC1 = 20 + 1.8*fS + 0.02*CL*fS (in mA) with VCC = 5V, tA = 25°C, fS = WCLK frequency = RCLK frequency (in MHz, using TTL levels), data switching

at fS/2, CL = capacitive load (in pF).

7. All Inputs = VCC – 0.2V or GND + 0.2V, except RCLK and WCLK, which toggle at 20 MHz.

ABSOLUTE MAXIMUM RATINGS

NOTE:

1. 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 at these or any other conditions above those indicated in

the operational sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect reliability.

RECOMMENDED DC OPERATING

CONDITIONS

CAPACITANCE (TA = +25

°C, F = 1.0MHz)

NOTES:

1. With output deselected, (

OE

≥ VIH).

2. Characterized values, not currently tested.

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