7281L15PAIGI8 datasheet(2/12 Pages) IDT

Part #	7281L15PAIGI8

Description	CMOS DUAL ASYNCHRONOUS FIFO

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Manufacturer	IDT [Integrated Device Technology]

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COMMERCIALTEMPERATURERANGE

IDT7280/7281/7282/7283/7284/7285 5V ASYNCHRONOUS FIFO

DUAL 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9

JUNE 29, 2012

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Symbol

Rating

Com'l & Ind'l

Unit

VTERM

TerminalVoltagewith

–0.5 to +7.0

V

Respect to GND

TSTG

StorageTemperature

–55 to +125

°C

IOUT

DCOutputCurrent

–50to+50

mA

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.

AC TEST CONDITIONS

Input Pulse Levels

GND to 3.0V

InputRise/FallTimes

5ns

InputTimingReferenceLevels

1.5V

OutputReferenceLevels

1.5V

OutputLoad

See Figure 1

CAPACITANCE (TA=+25oC,f=1.0MHz)

Symbol

Parameter

Condition

Max.

Unit

CIN

InputCapacitance

VIN = 0V

8

pF

COUT

OutputCapacitance

VOUT = 0V

8

pF

NOTE:

1. Characterized values, not currently tested.

Symbol

Parameter

Min.

Typ.

Max. Unit

VCC

SupplyVoltage

4.5

5.0

5.5

V

GND

SupplyVoltage

0

V

VIH(1)

InputHighVoltage

2.0

—

V

VIL(2)

InputLowVoltage

—

0.8

V

TA

OperatingTemperature

0

—

70

°C

Commercial

TA

OperatingTemperature

–40

—

85

°C

Industrial

NOTES:

1. For RT/RS/XI input, VIH = 2.6V (commercial).

2. 1.5V undershoots are allowed for 10ns once per cycle.

RECOMMENDED DC OPERATING

CONDITIONS

TSSOP (SO56-2, order code: PA)

TOP VIEW

FFA

QA0

QA1

QA2

QA3

QA8

GND

RA

QA4

QA5

QA6

QA7

XOA/HFA

EFA

FFB

QB0

QB1

QB2

QB3

QB8

GND

RB

QB4

QB5

QB6

QB7

XOB/HFB

EFB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

XIA

DA0

DA1

DA2

DA3

DA8

WA

VCC

DA4

DA5

DA6

DA7

FLA/RTA

RSA

XIB

DB0

DB1

DB2

DB3

DB8

WB

VCC

DB4

DB5

DB6

DB7

FLB/RTB

RSB

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

3208 drw 02

3208 drw 03

30pF*

1.1K

5V

TO

OUTPUT

680

Ω

or equivalent circuit

IDT7280L

IDT7283L

IDT7281L

IDT7284L

IDT7282L

IDT7285lL

Commercial & Industrial(1)

tA = 12, 15 ns

Symbol

Parameter

Min.

Max.

Min.

Max.

Unit

ILI(2)

InputLeakageCurrent(AnyInput)

–1

1

–1

—

μA

ILO(3)

OutputLeakageCurrent

–10

10

–10

10

μA

VOH

OutputLogic“1”Voltage

IOH = –2mA

2.4

—

2.4

—

V

VOL

OutputLogic“0”Voltage

IOL = 8mA

—

0.4

—

0.4

V

ICC1(4,5)

Active Power Supply Current (both FIFOs)

—

125(6)

—150

mA

ICC2(4,7)

Standby Current (R=W=RS=FL/RT=VIH)—

15

—

15

mA

DC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5V ± 10%, TA = 0

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

NOTES:

1. Industrial temperature range product for the 15ns speed grade is available as a standard

device.

2. Measurements with 0.4

≤ VIN ≤ VCC.

3. R

≥ VIH, 0.4 ≤ VOUT ≤ VCC.

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

5. Tested at f = 20 MHz.

6. Typical ICC1 = 2*[15 + 2*fS + 0.02*CL*fS] (in mA) with VCC = 5V, TA = 25oC, 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.

Figure 1. Output Load

* Includes scope and jig capacitances.

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