IDT72421L10(2017) データシートの表示（PDF） - Integrated Device Technology

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IDT72421L10
(Rev.:2017)

CMOS SyncFIFO™ 64 x 9, 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9

Integrated Device Technology 

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™

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

COMMERCIAL AND INDUSTRIAL

TEMPERATURE RANGES

AC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, 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

tPAF

tPAE

tSKEW1

tSKEW2

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(2)

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

Write Clock to Programmable Almost-Full Flag

Read Clock to Programmable Almost-Empty Flag

Skew time between Read Clock & Write Clock for

Empty Flag & Full Flag

Skew time between Read Clock & Write Clock for

Almost-Empty Flag & Programmable Almost-Full Flag

Commercial

IDT72421L10

IDT72201L10

IDT72211L10

IDT72221L10

IDT72231L10

IDT72241L10

IDT72251L10

Min. Max.

—

100

2

6.5

10

—

4.5

—

4.5

—

3

—

0.5

—

3

—

0.5

—

10

—

8

—

8

—

—

10

0

—

3

6

3

6

—

6.5

—

6.5

—

6.5

—

6.5

5

—

14

—

Com'l & Ind'l(1)

IDT72421L15

IDT72201L15

IDT72211L15

IDT72221L15

IDT72231L15

IDT72241L15

IDT72251L15

Min. Max.

—

66.7

2

10

15

—

6

—

6

—

4

—

1

—

4

—

1

—

15

—

10

—

10

—

—

15

0

—

3

8

3

8

—

10

—

10

—

10

—

10

6

—

15

—

NOTES:

1. Industrial temperature range product for the 15ns and 25ns speed grades are available as standard product.

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

3. Values guaranteed by design, not currently tested.

Com'l & Ind'l(1)

IDT72421L25

IDT72201L25

IDT72211L25

IDT72221L25

IDT72231L25

IDT72241L25

IDT72251L25

Min. Max. Unit

—

40 MHz

2

15 ns

25

—

ns

10

—

ns

10

—

ns

6

—

ns

1

—

ns

6

—

ns

1

—

ns

15

—

ns

15

—

ns

15

—

ns

—

25 ns

0

—

ns

3

13 ns

3

13 ns

—

15 ns

—

15 ns

—

15 ns

—

15 ns

10

—

ns

18

—

ns

AC TEST CONDITIONS

In 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

CAPACITANCE (Ta = +25°C, f = 1.0MHz)

Symbol

Parameter

Conditions Max. Unit

CIN(2)

Input Capacitance

VIN = 0V

10 pF

COUT(1,2) OutputCapacitance

VOUT = 0V

10 pF

NOTES:

1. With output deselected (OE ≥ VIH).

2. Characterized values, not currently tested.

©

4

5V

D.U.T.

680Ω

1.1K

30pF*

2655 drw 03

or equivalent circuit

Figure 1. Output Load

*includes jig and scope capacitances

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