IDT72V845 View Datasheet(PDF) - Integrated Device Technology

Part Name

Description

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IDT72V845

3.3 VOLT CMOS DUAL SyncFIFO DUAL 256 x 18, DUAL 512 x 18, DUAL 1,024 x 18, DUAL 2,048 x 18 and DUAL 4,096 x 18

Integrated Device Technology 

IDT72V805/72V815/72V825/72V835/72V845

3.3 V CMOS DUAL SyncFIFO™ 256 x 18, 512 x 18, 1,024 x 18, 4,096 x 18

COMMERCIAL AND INDUSTRIAL

TEMPERATURE RANGES

AC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 3.3V ± 0.3V, TA = 0°C to +70°C; Industrial: VCC = 3.3V ± 0.3V, TA = -40°C to +85°C)

Symbol

fS

tA

tCLK

tCLKH

tCLKL

tDS

tDH

tENS

tENH

tRS

tRSS

tRSR

tRSF

tOLZ

tOE

tOHZ

tWFF

tREF

tPAFA

tPAFS

tPAEA

tPAES

tHF

tXO

tXI

tXIS

tSKEW1

tSKEW2(4)

Parameter

Clock Cycle Frequency—

Data Access Time

Clock Cycle Time

Clock HIGH Time

Clock LOW Time

Data Setup Time

Data Hold Time

Enable Setup Time

Enable Hold Time

Reset Pulse Width(1)

Reset Setup Time

Reset Recovery Time

Reset to Flag and Output Time

Output Enable to Output in Low-Z(3)

Output Enable to Output Valid

Output Enable to Output in High-Z(3)

Write Clock to Full Flag

Read Clock to Empty Flag

Clock to Asynchronous Programmable

Almost-Full Flag

Write Clock to Synchronous

Programmable Almost-Full Flag

Clock to Asynchronous Programmable

Almost-Empty Flag

Read Clock to Synchronous

Programmable Almost-Empty Flag

Clock to Half-Full Flag

Clock to Expansion Out

Expansion In Pulse Width

Expansion In Setup Time

Skew time between Read Clock &

Write Clock for FF/IR and EF/OR

Skew time between Read Clock &

Write Clock for PAE and PAF

Commercial

Com’l & Ind’l(2)

Commercial

IDT72V805L10

IDT72V805L15

IDT72V805L20

IDT72V815L10

IDT72V815L15

IDT72V815L20

IDT72V825L10

IDT72V825L15

IDT72V825L20

IDT72V835L10

IDT72V835L15

IDT72V835L20

IDT72V845L10

IDT72V845L15

IDT72V845L20

Min.

Max.

Min.

Max.

Min.

Max.

Unit

100

—

66.7

—

50

MHz

2

6.5

2

10

2

12

ns

10

—

15

—

20

—

ns

4.5

—

6

—

8

—

ns

4.5

—

6

—

8

—

ns

3

—

4

—

5

—

ns

0.5

—

1

—

1

—

ns

3

—

4

—

5

—

ns

0.5

—

1

—

1

—

ns

10

—

15

—

20

—

ns

8

—

10

—

12

—

ns

8

—

10

—

12

—

ns

—

15

—

15

—

20

ns

0

—

0

—

0

—

ns

—

6

3

8

3

10

ns

1

6

3

8

3

10

ns

—

6.5

—

10

—

12

ns

—

6.5

—

10

—

12

ns

—

17

—

20

—

22

ns

—

8

—

10

—

12

ns

—

17

—

20

—

22

ns

—

8

—

10

—

12

ns

—

17

—

20

—

22

ns

—

6.5

—

10

—

12

ns

3

—

6.5

—

8

—

ns

3

—

5

—

8

—

ns

5

—

6

—

8

—

ns

14

—

18

—

20

—

ns

NOTES:

1. Pulse widths less than minimum values are not allowed.

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

3. Values guaranteed by design, not currently tested.

4. tSKEW2 applies to synchronous PAE and synchronous PAF only.

3.3V

330Ω

AC TEST CONDITIONS

Input Pulse Levels

Input Rise/Fall Times

Input Timing Reference Levels

Output Reference Levels

Output Load

GND to 3.0V

3ns

1.5V

1.5V

See Figure 1

5

D.U.T.

510Ω

30pF*

4295 drw 03

Figure 1. Output Load

* Includes jig and scope capacitances.

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