IDT72V81 datasheet(3/12 Pages) IDT

Part #	IDT72V81

Description	3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9 DUAL 8,192 X 9

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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COMMERCIALTEMPERATURERANGE

IDT72V81/72V82/72V83/72V84/72V85 3.3V CMOS DUAL ASYNCHRONOUS FIFO

512 x 9, 1024 x 9, 2048 x 9, 4096 x 9, 8192 x 9

FEBRUARY 5, 2009

Commercial

IDT72V81L15

IDT72V81L20

IDT72V82L15

IDT72V82L20

IDT72V83L15

IDT72V83L20

IDT72V84L15

IDT72V84L20

IDT72V85L15

IDT72V85L20

Symbol

Parameter

Min.

Max.

Min.

Max.

Unit

tS

ShiftFrequency

—

40

—

33.3

MHz

tRC

Read Cycle Time

25

—

30

—

ns

tA

AccessTime

—

15

—

20

ns

tRR

ReadRecoveryTime

10

—

10

—

ns

tRPW

ReadPulseWidth

(2)

15

—

20

—

ns

tRLZ

Read Pulse Low to Data Bus at Low Z

(3)

3—

ns

tWLZ

Write Pulse High to Data Bus at Low Z

(3, 4)

5—

ns

tDV

Data Valid from Read Pulse High

5

—

5

—

ns

tRHZ

Read Pulse High to Data Bus at High Z

(3)

—15

—

15

ns

tWC

Write Cycle Time

25

—

30

—

ns

tWPW

WritePulseWidth

(2)

15

—

20

—

ns

tWR

WriteRecoveryTime

10

—

10

—

ns

tDS

DataSet-upTime

11

—

12

—

ns

tDH

DataHoldTime

0

—

0

—

ns

tRSC

Reset Cycle Time

25

—

30

—

ns

tRS

ResetPulseWidth

(2)

15

—

20

—

ns

tRSS

ResetSet-upTime

(3)

15

—

20

—

ns

tRSR

ResetRecoveryTime

10

—

10

—

ns

tRTC

RetransmitCycleTime

25

—

30

—

ns

tRT

RetransmitPulseWidth

(2)

15

—

20

—

ns

tRTS

RetransmitSet-upTime

(3)

15

—

20

—

ns

tRTR

RetransmitRecoveryTime

10

—

10

—

ns

tEFL

Reset to Empty Flag Low

—

25

—

30

ns

tHFH,FFH

ResettoHalf-FullandFullFlagHigh

—

25

—

30

ns

tRTF

RetransmitLowtoFlagsValid

—

25

—

30

ns

tREF

Read Low to Empty Flag Low

—

15

—

20

ns

tRFF

Read High to Full Flag High

—

15

—

20

ns

tRPE

Read Pulse Width after

EFHigh

15

—

20

—

ns

tWEF

Write High to Empty Flag High

—

15

—

20

ns

tWFF

Write Low to Full Flag Low

—

15

—

20

ns

tWHF

Write Low to Half-Full Flag Low

—

25

—

30

ns

tRHF

Read High to Half-Full Flag High

—

25

—

30

ns

tWPF

WritePulseWidthafter

FFHigh

15

—

20

—

ns

tXOL

Read/Write to

XOLow

—

15

—

20

ns

tXOH

Read/Write to

XOHigh

—

15

—

20

ns

tXI

XIPulseWidth(2)

15

—

20

—

ns

tXIR

XI Recovery Time

10

—

10

—

ns

tXIS

XISet-upTime

10

—

10

—

ns

NOTES:

1. Timings referenced as in AC Test Conditions.

2. Pulse widths less than minimum value are not allowed.

3. Values guaranteed by design, not currently tested.

4. Only applies to read data flow-through mode.

AC ELECTRICAL CHARACTERISTICS(1)

(Commercial: VCC = 3.3V±0.3V, TA = 0

°C to +70°C)

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