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IDT72V81L15PAG

3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO

Integrated Device Technology 

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

COMMERCIAL TEMPERATURE RANGE

AC ELECTRICAL CHARACTERISTICS(1)

(Commercial: VCC = 3.3V±0.3V, TA = 0°C to +70°C)

Commercial

IDT72V81L15

IDT72V82L15

IDT72V83L15

IDT72V84L15

IDT72V85L15

IDT72V81L20

IDT72V82L20

IDT72V83L20

IDT72V84L20

IDT72V85L20

Symbol

tS

tRC

tA

tRR

tRPW

tRLZ

tWLZ

tDV

tRHZ

tWC

tWPW

tWR

tDS

tDH

tRSC

tRS

tRSS

tRSR

tRTC

tRT

tRTS

tRTR

tEFL

tHFH,FFH

tRTF

tREF

tRFF

tRPE

tWEF

tWFF

tWHF

tRHF

tWPF

tXOL

tXOH

tXI

tXIR

tXIS

Parameter

Shift Frequency

Read Cycle Time

Access Time

Read Recovery Time

Read Pulse Width(2)

Read Pulse Low to Data Bus at Low Z(3)

Write Pulse High to Data Bus at Low Z(3, 4)

Data Valid from Read Pulse High

Read Pulse High to Data Bus at High Z(3)

Write Cycle Time

Write Pulse Width(2)

Write Recovery Time

Data Set-up Time

Data Hold Time

Reset Cycle Time

Reset Pulse Width(2)

Reset Set-up Time(3)

Reset Recovery Time

Retransmit Cycle Time

Retransmit Pulse Width(2)

Retransmit Set-up Time(3)

Retransmit Recovery Time

Reset to Empty Flag Low

Reset to Half-Full and Full Flag High

Retransmit Low to Flags Valid

Read Low to Empty Flag Low

Read High to Full Flag High

Read Pulse Width after EF High

Write High to Empty Flag High

Write Low to Full Flag Low

Write Low to Half-Full Flag Low

Read High to Half-Full Flag High

Write Pulse Width after FFHigh

Read/Write to XOLow

Read/Write to XOHigh

XI Pulse Width(2)

XI Recovery Time

XI Set-up Time

Min.

Max.

Min.

Max.

Unit

—

40

—

33.3

MHz

25

—

30

—

ns

—

15

—

20

ns

10

—

10

—

ns

15

—

20

—

ns

3

—

3

—

ns

5

—

5

—

ns

5

—

5

—

ns

—

15

—

15

ns

25

—

30

—

ns

15

—

20

—

ns

10

—

10

—

ns

11

—

12

—

ns

0

—

0

—

ns

25

—

30

—

ns

15

—

20

—

ns

15

—

20

—

ns

10

—

10

—

ns

25

—

30

—

ns

15

—

20

—

ns

15

—

20

—

ns

10

—

10

—

ns

—

25

—

30

ns

—

25

—

30

ns

—

25

—

30

ns

—

15

—

20

ns

—

15

—

20

ns

15

—

20

—

ns

—

15

—

20

ns

—

15

—

20

ns

—

25

—

30

ns

—

25

—

30

ns

15

—

20

—

ns

—

15

—

20

ns

—

15

—

20

ns

15

—

20

—

ns

10

—

10

—

ns

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.

3

JULY 17, 2006

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