Rainbow-electronics HT24LC04 Manual de usuario descargar pdf (Pagina 1)

HT24LC04

CMOS 4K 2-Wire Serial EEPROM

Block Diagram Pin Assignment

Rev. 1.20 1 November 5, 2002

Features

Operating voltage: 2.2V~5.5V

Low power consumption

Operation: 5mA max.

Standby: 5mA max.

Internal organization: 512´8

2-wire serial interface

Write cycle time: 5ms max.

Automatic erase-before-write operation

Partial page write allowed

16-byte page write modes

Write operation with built-in timer

Hardware controlled write protection

40-year data retention

erase/write cycles per word

Commerical temperature range (0°Cto+70°C)

8-pin DIP/SOP package

General Description

The HT24LC04 is a 4K-bit serial read/write non-volatile

memory device using the CMOS floating gate process.

Its 4096 bits of memory are organized into 512 words

and each word is 8 bits. The device is optimized for use

in many industrial and commercial applications where

low power and low voltage operation are essential. Up

to four HT24LC04 devices may be connected to the

same two-wire bus. The HT24LC04 is guaranteed for

1M erase/write cycles and 40-year data retention.

A 0

A 1

A 2

V S S

V C C

W P

S C L

S D A

H T 2 4 L C 0 4

8 D I P - A / S O P - A

I / O

C o n t r o l

L o g i c

M e m o r y

C o n t r o l

L o g i c

S C L

S D A

A d d r e s s

C o u n t e r

A 0 ~ A 2

V C C

V S S

E E P R O M

A r r a y

P a g e B u f

Y D E C

S e n s e A M P

R / W C o n t r o l

H V P u m p

W P

1 2 3 4 5 6 ... 10 11

HT24LC04 1

Indice de contenidos

Pagina 1 - HT24LC04

HT24LC04CMOS 4K 2-Wire Serial EEPROMBlock Diagram Pin AssignmentRev. 1.20 1 November 5, 2002Features·Operating voltage: 2.2V~5.5V·Low power consumptio

Pagina 2

Carrier tape dimensionsSOP 8NSymbol Description Dimensions in mmW Carrier Tape Width12.0+0.3-0.1P Cavity Pitch8.0±0.1E Perforation Position1.75±0.1F C

Pagina 3

HT24LC04Rev. 1.20 11 November 5, 2002Copyright Ó 2002 by HOLTEK SEMICONDUCTOR INC.The information appearing in this Data Sheet is believed to be accur

Pagina 4

Pin DescriptionPin No. Pin Name I/O Description1~3 A0~A2 I Address inputs4 VSS¾Negative power supply5 SDA I/O Serial data inputs/output6 SCL I Serial

Pagina 5

A.C. CharacteristicsTa=0°Cto70°CSymbol ParameterStandard Mode*VCC=5V±10%Unit RemarkMin. Max. Min. Max.fSKClock Frequency¾100¾400 kHz¾tHIGHClock High T

Pagina 6

HT24LC04Rev. 1.20 4 November 5, 2002·Start conditionA high-to-low transition of SDA with SCL high is a startcondition which must precede any other com

Pagina 7

HT24LC04Rev. 1.20 5 November 5, 2002·Acknowledge pollingSince the device will not acknowledge during a writecycle, this can be used to determine when

Pagina 8

Timing DiagramsNote: The write cycle time tWRis the time from a valid stop condition of a write sequence to the end of the valid startcondition of seq

Pagina 9

Package Information8-pin DIP (300mil) outline dimensionsSymbolDimensions in milMin. Nom. Max.A 355¾375B 240¾260C 125¾135D 125¾145E16¾20F50¾70G¾100¾H 2

Pagina 10

8-pin SOP (150mil) outline dimensionsSymbolDimensions in milMin. Nom. Max.A 228¾244B 149¾157C14¾20C¢189¾197D53¾69E¾50¾F4¾10G22¾28H4¾12a 0°¾10°HT24LC04

Pagina 11

Product Tape and Reel SpecificationsReel dimensionsSOP 8NSymbol Description Dimensions in mmA Reel Outer Diameter330±1.0B Reel Inner Diameter62±1.5C S

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