IDT72805LB IDT [Integrated Device Technology], IDT72805LB Datasheet

IDT72805LB

Manufacturer Part Number

IDT72805LB

Description

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

Manufacturer

IDT [Integrated Device Technology]

Datasheet

1.IDT72805LB.pdf (26 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72805LB10PF

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72805LB10PF8

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72805LB15PF8

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72805LB25PF

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

IDT72805LB25PF8

Manufacturer:

IDT, Integrated Device Technology Inc

Quantity:

10 000

Current page: 1 of 26
Download datasheet (330Kb)

FEATURES:

• • • • •

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

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

FUNCTIONAL BLOCK DIAGRAM

(HFA)/WXOA

The IDT72805LB is equivalent to two IDT72205LB 256 x 18 FIFOs

The IDT72815LB is equivalent to two IDT72215LB 512 x 18 FIFOs

The IDT72825LB is equivalent to two IDT72225LB 1,024 x 18 FIFOs

The IDT72835LB is equivalent to two IDT72235LB 2,048 x 18 FIFOs

The IDT72845LB is equivalent to two IDT72245LB 4,096 x 18 FIFOs

Offers optimal combination of large capacity (8K), high speed,

design flexibility, and small footprint

Ideal for the following applications:

10ns read/write cycle time, 6.5ns access time

IDT Standard or First Word Fall Through timing

Network switching

Two level prioritization of parallel data

Bidirectional data transfer

Bus-matching between 18-bit and 36-bit data paths

Width expansion to 36-bit per package

Depth expansion to 8,192 words per package

RXOA

WXIA

RXIA

RSA

FLA

WENA

EXPANSION

CONTROL

POINTER

WRITE

RESET

LOGIC

WRITE

LOGIC

WCLKA

OEA QA

1,024 x 18

2,048 x 18

4,096 x 18

OUTPUT

256 x 18

512 x 18

ARRAY

INPUT

RAM

-DA

-QA

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

RCLKA

CONTROL

OFFSET

POINTER

LOGIC

READ

FLAG

READ

RENA

LDA

FFA/IRA

FLB

WXIB

PAFA

(HFB)/WXOB

EFA/

ORA

RXIB

PAEA

RXOB

HFA/(WXOA)

DESCRIPTION:

synchronous (clocked) First-in, First-out (FIFO) memories. One dual IDT72805LB/

72815LB/72825LB/72835LB/72845LB device is functionally equivalent to two

• • • • •

RSB

Single or double register-buffered Empty and Full Flags

Easily expandable in depth and width

Asynchronous or coincident Read and Write clocks

Asynchronous or synchronous programmable Almost-Empty

and Almost-Full flags with default settings

Half-Full flag capability

Output Enable puts output data bus in high-impedance state

High-performance submicron CMOS technology

Available in the 128-pin Thin Quad Flatpack (TQFP). Also

available for the IDT72805LB/72815LB/72825LB, in the 121-lead,

16 x 16 mm plastic Ball Grid Array (PBGA)

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

The IDT72805LB/72815LB/72825LB/72835LB/72845LB are dual 18-bit-wide

WENB

EXPANSION

CONTROL

POINTER

WRITE

LOGIC

WRITE

RESET

LOGIC

WCLKB

OEB

DB0-DB17

1,024 x 18

2,048 x 18

4,096 x 18

OUTPUT

256 x 18

512 x 18

ARRAY

INPUT

RAM

-QB

RCLKB

CONTROL

POINTER

FEBRUARY 2003

OFFSET

LOGIC

READ

FLAG

RENB

LDB

IDT72805LB

IDT72815LB

IDT72825LB

IDT72835LB

IDT72845LB

3139 drw 01

HFB/(WXOB)

PAFB

PAEB

FFB/IRB

EFB/ORB

DSC-3139/4

Related parts for IDT72805LB

Related keywords

IDT72805LB datasheet
IDT72805LB data sheet
IDT72805LB pdf datasheet
IDT72805LB component
IDT72805LB part
IDT72805LB distributor
IDT72805LB RoHS
IDT72805LB datasheet download