Datasheet > IDT72T1845

IDT72T1845

更新时间： 2024-11-17 00:55:23

品牌	Logo	应用领域
艾迪悌 - IDT		先进先出芯片
页数	文件大小	规格书
55页	510K
描述
2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS

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中文翻译

获取价格

数据手册

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IDT72T1845 数据手册

2.5 VOLT HIGH-SPEED TeraSync™ FIFO

18-BIT/9-BITCONFIGURATIONS

2,048 x 18/4,096 x 9, 4,096 x 18/8,192 x 9, 8,192 x 18/16,384 x 9,

16,384 x 18/32,768 x 9, 32,768 x 18/65,536 x 9, 65,536 x 18/131,072 x 9,

131,072 x 18/262,144 x 9, 262,144 x 18/524,288 x 9, 524,288 x 18/1,048,576 x 9

IDT72T1845, IDT72T1855

IDT72T1865, IDT72T1875

IDT72T1885, IDT72T1895

IDT72T18105, IDT72T18115

IDT72T18125

Empty and Almost-Full flags

FEATURES:

• Separate SCLK input for Serial programming of flag offsets

• User selectable input and output port bus-sizing

- x9 in to x9 out

- x9 in to x18 out

- x18 in to x9 out

• Choose among the following memory organizations:

IDT72T1845

IDT72T1855

IDT72T1865

IDT72T1875

IDT72T1885

IDT72T1895

IDT72T18105

IDT72T18115

IDT72T18125

⎯

2,048 x 18/4,096 x 9

4,096 x 18/8,192 x 9

8,192 x 18/16,384 x 9

16,384 x 18/32,768 x 9

32,768 x 18/65,536 x 9

65,536 x 18/131,072 x 9

131,072 x 18/262,144 x 9

262,144 x 18/524,288 x 9

524,288 x 18/1,048,576 x 9

- x18 in to x18 out

• Big-Endian/Little-Endian user selectable byte representation

• Auto power down minimizes standby power consumption

• Master Reset clears entire FIFO

• Partial Reset clears data, but retains programmable settings

• Empty, Full and Half-Full flags signal FIFO status

• Select IDT Standard timing (using EF and FF flags) or First Word

Fall Through timing (using OR and IR flags)

• Output enable puts data outputs into high impedance state

• JTAG port, provided for Boundary Scan function

• Available in 144-pin (13mm x 13mm) or 240-pin (19mm x 19mm)

PlasticBallGridArray(PBGA)

• Easily expandable in depth and width

• Independent Read and Write Clocks (permit reading and writing

simultaneously)

• High-performance submicron CMOS technology

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

• Green parts are available, see ordering information

• Up to 225 MHz Operation of Clocks

• User selectable HSTL/LVTTL Input and/or Output

• Read Enable & Read Clock Echo outputs aid high speed operation

• User selectable Asynchronous read and/or write port timing

• 2.5V LVTTL or 1.8V, 1.5V HSTL Port Selectable Input/Ouput voltage

• 3.3V Input tolerant

• Mark & Retransmit, resets read pointer to user marked position

• Write Chip Select (WCS) input enables/disables Write operations

• Read Chip Select (RCS) synchronous to RCLK

• Programmable Almost-Empty and Almost-Full flags, each flag can

default to one of eight preselected offsets

• Program programmable flags by either serial or parallel means

• Selectable synchronous/asynchronous timing modes for Almost-

FUNCTIONALBLOCKDIAGRAM

D0 -Dn (x18 or x9)

LD SEN

SCLK

WEN

WCLK/WR

WCS

INPUT REGISTER

OFFSET REGISTER

FF/IR

PAF

EF/OR

PAE

FWFT/SI

PFM

FSEL0

FSEL1

WRITE CONTROL

LOGIC

ASYW

FLAG

LOGIC

RAM ARRAY

2,048 x 18 or 4,096 x 9

4,096 x 18 or 8,192 x 9

WRITE POINTER

8,192 x 18 or 16,384 x 9

16,384 x 18 or 32,768 x 9

32,768 x 18 or 65,536 x 9

65,536 x 18 or 131,072 x 9

131,072 x 18 or 262,144 x 9

262,144 x 18 or 524,288 x 9

524,288 x 18 or 1,048,576 x 9

CONTROL

LOGIC

READ POINTER

BUS

CONFIGURATION

READ

CONTROL

LOGIC

MARK

ASYR

MRS

PRS

OUTPUT REGISTER

RESET

LOGIC

TCK

TRST

TMS

TDO

JTAG CONTROL

(BOUNDARY SCAN)

RCLK/RD

REN

RCS

TDI

Vref

WHSTL

RHSTL

SHSTL

HSTL I/0

CONTROL

EREN

5909 drw01

Q0 -Qn (x18 or x9)

ERCLK

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

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

FEBRUARY 2009

DSC-5909/19

12 3 4 5 6 7...55

中文翻译

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与IDT72T1845相关器件

型号	品牌	获取价格	描述	数据表
IDT72T1845_09	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L10BB	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L10BBG	IDT	获取价格	FIFO, 2KX18, 4.5ns, Synchronous, CMOS, PBGA144, 13 X 13 MM, 1 MM PITCH, PLASTIC, BGA-144
IDT72T1845L10BBI	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L4-4BB	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L4-4BBG	IDT	获取价格	FIFO, 2KX18, 3.4ns, Synchronous, CMOS, PBGA144, 13 X 13 MM, 1 MM PITCH, PLASTIC, BGA-144
IDT72T1845L4-4BBI	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L5BB	IDT	获取价格	2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1845L5BBG	IDT	获取价格	FIFO, 2KX18, 3.6ns, Synchronous, CMOS, PBGA144, 13 X 13 MM, 1 MM PITCH, PLASTIC, BGA-144
IDT72T1845L5BBGI	IDT	获取价格	FIFO, 2KX18, 3.6ns, Synchronous, CMOS, PBGA144, 13 X 13 MM, 1 MM PITCH, PLASTIC, BGA-144

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