IDT72241L25JI8 IDT, Integrated Device Technology Inc, IDT72241L25JI8 Datasheet

IDT72241L25JI8

Manufacturer Part Number

IDT72241L25JI8

Description

IC FIFO 2048X18 SYNC 25NS 32PLCC

Manufacturer

IDT, Integrated Device Technology Inc

Series

7200r

Datasheet

1.IDT72211L10JG.pdf (14 pages)

Specifications of IDT72241L25JI8

Function

Synchronous

Memory Size

36.8K (2K x 18)

Data Rate

40MHz

Access Time

25ns

Voltage - Supply

4.5 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

32-PLCC

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Other names

72241L25JI8

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72241L25JI8

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

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FUNCTIONAL BLOCK DIAGRAM

IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. The SyncFIFO is a registered trademark of Integrated Device Technology, Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

FEATURES:

• • • • •

2008

to any depth

Empty+7, and Full-7, respectively

32-pin Thin Quad Flat Pack (TQFP)

72220/72230/72240 data sheet

64 x 9-bit organization (IDT72421)

256 x 9-bit organization (IDT72201)

512 x 9-bit organization (IDT72211)

1,024 x 9-bit organization (IDT72221)

2,048 x 9-bit organization (IDT72231)

4,096 x 9-bit organization (IDT72241)

8,192 x 9-bit organization (IDT72251)

10 ns read/write cycle time

Read and Write Clocks can be independent

Dual-Ported zero fall-through time architecture

Empty and Full Flags signal FIFO status

Programmable Almost-Empty and Almost-Full flags can be set

Programmable Almost-Empty and Almost-Full flags default to

Output enable puts output data bus in high-impedance state

Advanced submicron CMOS technology

Available in the 32-pin plastic leaded chip carrier (PLCC) and

For through-hole product please see the IDT72420/72200/72210/

Industrial temperature range (–40° ° ° ° ° C to +85° ° ° ° ° C) is available

Green parts available, see ordering information

WRITE CONTROL

WCLK

WRITE POINTER

RESET LOGIC

WEN1

LOGIC

WEN2

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

OUTPUT REGISTER

2,048 x 9, 4,096 x 9,

INPUT REGISTER

512 x 9, 1,024 x 9,

64 x 9, 256 x 9,

RAM ARRAY

8,192 x 9

- D

- Q

™

DESCRIPTION:

are very high-speed, low-power First-In, First-Out (FIFO) memories with

clocked read and write controls. These devices have a 64, 256, 512, 1,024,

2,048, 4,096, and 8,192 x 9-bit memory array, respectively. These FIFOs are

applicable for a wide variety of data buffering needs such as graphics, local area

networks and interprocessor communication.

by a free-running clock (WCLK), and two write enable pins (WEN1, WEN2).

Data is written into the Synchronous FIFO on every rising clock edge when the

write enable pins are asserted. The output port is controlled by another clock

pin (RCLK) and two read enable pins (REN1, REN2). The Read Clock can

be tied to the Write Clock for single clock operation or the two clocks can run

asynchronous of one another for dual-clock operation. An output enable pin

(OE) is provided on the read port for three-state control of the output.

Two programmable flags, Almost-Empty (PAE) and Almost-Full (PAF), are

provided for improved system control. The programmable flags default to

Empty+7 and Full-7 for PAE and PAF, respectively. The programmable flag

offset loading is controlled by a simple state machine and is initiated by asserting

the load pin (LD).

technology.

These FIFOs have 9-bit input and output ports. The input port is controlled

The Synchronous FIFOs have two fixed flags, Empty (EF) and Full (FF).

These FIFOs are fabricated using IDT’s high-speed submicron CMOS

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

OFFSET REGISTER

READ POINTER

READ CONTROL

RCLK

LOGIC

FLAG

REN1

REN2

IDT72421, IDT72201

IDT72231, IDT72241

IDT72211, IDT72221

2655 drw01

OCTOBER 2008

PAE

PAF

IDT72251

DSC-2655/5

Related parts for IDT72241L25JI8

IDT72241L25JI8 Summary of contents

Page 1

FEATURES: • • • • • 9-bit organization (IDT72421) • • • • • 256 x 9-bit organization (IDT72201) • • • • • 512 x 9-bit organization (IDT72211) • • • • • 1,024 x 9-bit organization ...

Page 2

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 PIN CONFIGURATION INDEX ...

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 ABSOLUTE MAXIMUM RATINGS Symbol Rating Com'l & Ind'l V Terminal Voltage with –0.5 to +7.0 ...

Page 4

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 ELECTRICAL CHARACTERISTICS (Commercial ± 10 0°C to +70°C; Industrial: ...

Page 5

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 SIGNAL DESCRIPTIONS INPUTS: DATA IN (D0 - D8) Data inputs for 9-bit wide data. CONTROLS: ...

Page 6

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 The contents of the offset registers can be read on the output lines when the ...

Page 7

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 OUTPUTS: FULL FLAG (FF) The Full Flag (FF) will go LOW, inhibiting further write operation, ...

Page 8

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 REN1, REN2 WEN1 (1) WEN2/LD EF, PAE FF, PAF ...

Page 9

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 RCLK t ENS t ENH REN1, REN2 OLZ ...

Page 10

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 WRITE WCLK t SKEW1 WEN1 WEN2 (If Applicable) ...

Page 11

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 CLKH WCLK t ENS WEN1 t ENS WEN2 (If Applicable) PAF Full - (m+1) ...

Page 12

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 CLK t t CLKH CLKL WCLK t ENS LD t ENS WEN1 t DS ...

Page 13

IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 OPERATING CONFIGURATIONS SINGLE DEVICE CONFIGURATION A single IDT72421/72201/72211/72221/72231/72241/72251 may be used when the application requirements ...

Page 14

ORDERING INFORMATION XXXXX Device Type Power Speed Package NOTES: 1. Industrial temperature range product for the 15ns and 25ns speed grades are available as standard product. 2. Green parts are available. For specific speeds and packages contact ...

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