72245LB10TFGI8 datasheet(4/16 Pages) IDT

Part #	72245LB10TFGI8

Description	CMOS SyncFIFO

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFOTM

256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18

COMMERCIALANDINDUSTRIAL

TEMPERATURERANGES

MARCH 2013

RECOMMENDED DC OPERATING

CONDITIONS

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

SupplyVoltage

4.5

5.0

5.5

V

Commercial/Industrial

GND

SupplyVoltage

0

V

VIH

InputHighVoltage

2.0

—

V

Commercial/Industrial

VIL(1)

InputLowVoltage

—

0.8

V

Commercial/Industrial

TA

OperatingTemperature

0

—

70

°C

Commercial

TA

OperatingTemperature

-40

⎯

85

°C

Industrial

NOTE:

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

Symbol

Rating

Commercial

Unit

VTERM

TerminalVoltage

–0.5 to +7.0

V

with respect to GND

TSTG

Storage

–55to+125

°C

Temperature

IOUT

DCOutputCurrent

–50to+50

mA

Symbol

Parameter(1)

Conditions

Max.

Unit

CIN(2)

Input

VIN = 0V

10

pF

Capacitance

COUT(1,2)

Output

VOUT = 0V

10

pF

Capacitance

CAPACITANCE(TA=+25°C,f=1.0MHz)

NOTES:

1. With output deselected, (OE

≥ VIH).

2. Characterized values, not currently tested.

IDT72205LB

IDT72215LB

IDT72225LB

IDT72235LB

IDT72245LB

Commercial and Industrial(1)

tCLK = 10, 15, 25 ns

Symbol

Parameter

Min.

Typ.

Max.

Unit

ILI(2)

InputLeakageCurrent(anyinput)

–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

—

60

mA

DC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V

± 10%V, TA = -40°C to +85°C)

NOTES:

1. Industrial Temperature Range Product for the 15ns and the 25ns speed grades are available as a standard device.

2. Measurements with 0.4

≤ VIN ≤ VCC.

3. OE

≥ VIH, 0.4 ≤ VOUT ≤ VCC.

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

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

6. For the IDT72205/72215/72225 the typical ICC1 = 1.81 + 1.12*fS + 0.02*CL*fS (in mA);

for the IDT72235/72245 the typical ICC1 = 2.85 + 1.30*fS + 0.02*CL*fS (in mA)

These equations are valid under the following conditions:

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

NOTES:

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.

ICC2(4,7)

StandbyCurrent

—

5

mA

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