IDT72210L35TP Integrated Device Technology, Inc., IDT72210L35TP Datasheet

IDT72210L35TP

Manufacturer Part Number

IDT72210L35TP

Description

CMOS syncFIFO 64K x 8, 256 x8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8

Manufacturer

Integrated Device Technology, Inc.

Datasheet

1.IDT72210L35TP.pdf (16 pages)

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FUNCTIONAL BLOCK DIAGRAM

FEATURES:

• 64 x 8-bit organization (IDT72420)

• 256 x 8-bit organization (IDT72200)

• 512 x 8-bit organization (IDT72210)

• 1024 x 8-bit organization (IDT72220)

• 2048 x 8-bit organization (IDT72230)

• 4096 x 8-bit organization (IDT72240)

• 12 ns read/write cycle time (IDT72420/72200/72210)

• 15 ns read/write cycle time (IDT72220/72230/72240)

• Read and write clocks can be asynchronous or

• Dual-Ported zero fall-through time architecture

• Empty and Full flags signal FIFO status

• Almost-empty and almost-full flags set to Empty+7 and

• Output enable puts output data bus in high-impedance

• Produced with advanced submicron CMOS technology

• Available in 28-pin 300 mil plastic DIP and 300 mil

• For surface mount product please see the IDT72421/

• Military product compliant to MIL-STD-883, Class B

• Industrial temperature range (-40

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

MILITARY AND COMMERCIAL TEMPERATURE RANGES

1996 Integrated Device Technology, Inc.

coincidental

Full-7, respectively

state

ceramic DIP

72201/72211/72221/72231/72241 data sheet

available, tested to military electrical specifications

Integrated Device Technology, Inc.

WRITE CONTROL

WRITE POINTER

RESET LOGIC

WCLK

•

LOGIC

WEN

•

For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.

C to +85

CMOS SyncFIFO

64 x 8, 256 x 8, 512 x 8,

1024 x 8, 2048 x 8 and 4096 x 8

C) is

OUTPUT REGISTER

INPUT REGISTER

RAM ARRAY

D0 - D7

Q0 - Q7

256 x 8

512 x 8

64 x 8

• •

•

5.12

DESCRIPTION:

SyncFIFO

Out (FIFO) memories with clocked read and write controls.

The IDT72420/72200/72210/72220/72230/72240 have a 64,

256, 512, 1024, 2048, and 4096 x 8-bit memory array, respec-

tively. These FIFOs are applicable for a wide variety of data

buffering needs, such as graphics, Local Area Networks

(LANs), and interprocessor communication.

port is controlled by a free-running clock (WCLK), and a write

enable pin (WEN). Data is written into the Synchronous FIFO

on every clock when WEN is asserted. The output port is

controlled by another clock pin (RCLK) and a read enable pin

(REN). 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.

(EF) and Full (FF). Two partial flags, Almost-Empty (AE) and

Almost-Full (AF), are provided for improved system control.

The partial ( AE) flags are set to Empty+7 and Full-7 for AE and

AF respectively.

cated using IDT’s high-speed submicron CMOS technology.

Military grade product is manufactured in compliance with the

latest revision of MIL-STD-883, Class B.

These FIFOs have 8-bit input and output ports. The input

These Synchronous FIFOs have two end-point flags, Empty

The IDT72420/72200/72210/72220/72230/72240 are fabri-

The

IDT72420/72200/72210/72220/72230/72240

are very high-speed, low-power First-In, First-

READ CONTROL

READ POINTER

RCLK

•

LOGIC

FLAG

REN

2680 drw 01

NOVEMBER 1996

IDT72420

IDT72200

IDT72210

IDT72220

IDT72230

IDT72240

DSC-2680/6

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IDT72210L35TP Summary of contents

Page 1

... LOGIC WRITE POINTER RESET LOGIC RS The IDT logo is a registered trademark and SyncFIFO is a trademark of Integrated Device Technology, Inc. MILITARY AND COMMERCIAL TEMPERATURE RANGES 1996 Integrated Device Technology, Inc. For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391. CMOS SyncFIFO ...

Page 2

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 PIN CONFIGURATION PIN DESCRIPTIONS Symbol Name I Data Inputs Reset I ...

Page 3

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 ABSOLUTE MAXIMUM RATINGS Symbol Rating Commercial V Terminal Voltage –0 7.0 –0 7.0 TERM ...

Page 4

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 ELECTRICAL CHARACTERISTICS (Commercial 10 Symbol Parameter f Clock Cycle Frequency S ...

Page 5

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 ELECTRICAL CHARACTERISTICS (Commercial 10 Symbol Parameter fS Clock Cycle Frequency tA ...

Page 6

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 SIGNAL DESCRIPTIONS INPUTS: Data In (D –D ) — Data inputs for 8-bit wide data CONTROLS: ...

Page 7

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 TABLE 1: STATUS FLAGS Number of Words in FIFO IDT72420 IDT72200 IDT72210 ...

Page 8

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 WCLK WEN FF t SKEW1 RCLK REN NOTE the ...

Page 9

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 CLKH RCLK t t ENS ENH REN WCLK WEN NOTE: ...

Page 10

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 WCLK ENS WEN t SKEW1 RCLK EF REN Q ...

Page 11

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 WRITE WCLK t SKEW1 WEN RCLK t ENH t ENS REN ...

Page 12

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 WCLK t DS DATA WRITE ENH ENS WEN t SKEW1 ...

Page 13

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 CLKH WCLK t ENS WEN AF Full - 8 words in FIFO RCLK REN NOTES ...

Page 14

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 CLKH WCLK t ENS WEN AE Empty+7 (1) (1) t SKEW2 RCLK REN NOTES ...

Page 15

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 OPERATING CONFIGURATIONS SINGLE DEVICE CONFIGURATION - A single IDT72420/ 72200/72210/72220/72230/72240 may be used when the WRITE CLOCK (WCLK) ...

Page 16

IDT72420/72200/72210/72220/72230/72240 CMOS SyncFIFO 256 X 8, 512 X 8, 1024 X 8, 2048 X 8 and 4096 X 8 DEPTH EXPANSION - The IDT72420/72200/72210/72220/ 72230/72240 can be adapted to applications when the re- quirements are for greater ...

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