IDT72421L20PFB datasheet(3/19 Pages) IDT

Part #	IDT72421L20PFB

Description	CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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3 / 19 page

5.07

3

IDT72421/72201/72211/72221/72231/72241 CMOS SyncFIFO

™

64 x 9, 256 x 9, 512 x 9, 1024 x 9, 2048 x 9 and 4096 x 9

MILITARY AND COMMERCIAL TEMPERATURE RANGES

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Rating

Commercial

Military

Unit

VTERM

Terminal Voltage –0.5 to +7.0

–0.5 to +7.0

V

with Respect to

GND

TA

Operating

0 to +70

–55 to +125

°C

Temperature

TBIAS

Temperature

–55 to +125

–65 to +135

°C

Under Bias

TSTG

Storage

–55 to +125

–65 to +135

°C

Temperature

IOUT

DC Output

50

mA

Current

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 the specification is not

implied. Exposure to absolute maximum rating conditions for extended

periods may affect reliability.

2655 tbl 02

DC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5V

± 10%, TA = 0°C to +70°C; Military: VCC = 5V ± 10%, TA = -55°C to +125°C)

IDT72421

IDT72201

IDT72211

Commercial

Military

tCLK = 12, 15, 20, 25,35, 50ns

tCLK = 20, 25,35, 50ns

Symbol

Parameter

Min.

Typ.

Max.

Min.

Typ.

Max.

Unit

ILI

(1)

Input Leakage Current (Any Input)

–1

—

1

–10

—

10

µA

ILO

(2)

Output Leakage Current

–10

—

10

–10

—

10

µA

VOH

Output Logic “1” Voltage, IOH = –2mA

2.4

—

2.4

—

V

VOL

Output Logic “0” Voltage, IOL = 8mA

—

0.4

—

0.4

V

ICC

(3)

Active Power Supply Current

—

80

—

100

mA

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCCM

Military Supply Voltage

4.5

5.0

5.5

V

VCCC

Commercial

4.5

5.0

5.5

V

Supply Voltage

GND

Supply Voltage

0

V

VIH

Input High Voltage

2.0

—

V

Commercial

VIH

Input High Voltage

2.2

—

V

Military

VIL

Input Low Voltage

—

0.8

V

Commercial & Military

2655 tbl 03

CAPACITANCE (TA = +25

°C, f = 1.0MHz)

Symbol

Parameter

Conditions

Max.

Unit

CIN

(2)

Input Capacitance

VIN = 0V

10

pF

COUT

(1,2)

Output Capacitance

VOUT = 0V

10

pF

NOTES:

1. With output deselected (

OE = HIGH).

2. Characterized values, not currently tested.

2655 tbl 04

2655 tbl 05

2655 tbl 06

IDT72221

IDT72231

IDT72241

Commercial

Military

tCLK = 15, 20, 25, 35, 50ns

tCLK = 25, 35, 50ns

Symbol

Parameter

Min.

Typ.

Max.

Min.

Typ.

Max.

Unit

ILI

(1)

Input Leakage Current (Any Input)

–1

—

1

–10

—

10

µA

ILO

(2)

Output Leakage Current

–10

—

10

–10

—

10

µA

VOH

Output Logic “1” Voltage, IOH = –2mA

2.4

—

2.4

—

V

VOL

Output Logic “0” Voltage, IOL = 8mA

—

0.4

—

0.4

V

ICC1

(4)

Active Power Supply Current

—

80

—

100

mA

NOTES:

1. Measurements with 0.4

≤ VIN ≤ VCC.

2.

OE ≥ VIH, 0.4 ≤ VOUT ≤ VCC.

3 & 4.

Measurements are made with outputs unloaded. Tested at fCLK = 20MHz.

(3) Typical ICC1 = 30 + (fCLK*0.5/MHz) + (fCLK*CL*0.02/MHz-pF) mA

(4) Typical ICC1 = 32 + (fCLK*0.6/MHz) + (fCLK*CL*0.02/MHz-pF) mA

fCLK = 1/tCLK.

CL = external capacitive load (30pF typical)

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