HT93LC46 Holtek, HT93LC46 Datasheet

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HT93LC46

Manufacturer Part Number
HT93LC46
Description
1K 3-wire CMOS serial EEPROM
Manufacturer
Holtek
Datasheet

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Features
General Description
The HT93LC46 is a 1K-bit low voltage nonvolatile, serial
electrically erasable programmable read only memory de-
vice using the CMOS floating gate process. Its 1024 bits of
memory are organized into 64 words of 16 bits each when
the ORG pin is connected to VCC or organized into 128
words of 8 bits each when it is tied to VSS. The device is
Block Diagram
Pin Assignment
Rev. 1.50
Operating voltage:
Low power consumption
User selectable internal organization
3-wire Serial Interface
2.2V~5.5V for temperature 0 C to +70 C
2.4V~5.5V for temperature 40 C to +85 C
Operating: 5mA max.
Standby: 10 A max.
1K(HT93LC46): 128 8 or 64 16
CMOS 1K 3-Wire Serial EEPROM
1
optimized for use in many industrial and commercial appli-
cations where low power and low voltage operation are
essential. By popular microcontroller, the versatile serial
interface including chip select (CS), serial clock (SK), data
input (DI) and data output (DO) can be easily controlled.
Write cycle time: 5ms max.
Automatic erase-before-write operation
Word/chip erase and write operation
Write operation with built-in timer
Software controlled write protection
10-year data retention after 100K rewrite cycles
10
Industrial temperature range ( 40 C to +85 C)
8-pin DIP/SOP/TSSOP package
6
rewrite cycles per word
HT93LC46
October 25, 2007

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HT93LC46 Summary of contents

Page 1

... Serial Interface General Description The HT93LC46 is a 1K-bit low voltage nonvolatile, serial electrically erasable programmable read only memory de- vice using the CMOS floating gate process. Its 1024 bits of memory are organized into 64 words of 16 bits each when the ORG pin is connected to VCC or organized into 128 words of 8 bits each when it is tied to VSS ...

Page 2

... CS=0V 5V OUT 2.2~5.5V 5V 2.2~5.5V 0.9V I =2.1mA 5V OL 2.2~5. 400 A OH 2.2~5. =0V, f=250kHz IN V =0V, f=250kHz OUT 2 HT93LC46 V 0. +0. Min. Typ. Max. Unit 2.2 5.5 V 2.4 5 0 ...

Page 3

... Output Load Circuit 3 HT93LC46 V =2.2V CC Unit Min. Max. 0 500 kHz 1000 ns 1000 ns 100 500 ns 200 ns 200 ns 1000 ns 1000 ...

Page 4

... The HT93LC46 is accessed via a three-wire serial com- munication interface. The device is arranged into 64 words by 16 bits or 128 words by 8 bits depending whether the ORG pin is connected to VCC or VSS. The HT93LC46 contains seven instructions: READ, ERASE, WRITE, EWEN, EWDS, ERAL and WRAL. When the user ...

Page 5

... Timing Diagrams READ EWEN/EWDS WRITE ERASE Rev. 1.50 5 HT93LC46 October 25, 2007 ...

Page 6

... Write All Note: X stands for don t care² Rev. 1.50 Address Start Op ORG=0 ORG=1 bit Code X8 X16 1 10 A6~A0 A5~ A6~A0 A5~ A6~A0 A5~ 11XXXXX 11XXXX 1 00 00XXXXX 00XXXX 1 00 10XXXXX 10XXXX 1 00 01XXXXX 01XXXX 6 HT93LC46 Data ORG=0 ORG=1 X8 X16 D7~D0 D15~D0 D7~D0 D15~D0 D7~D0 D15~D0 October 25, 2007 ...

Page 7

... Package Information 8-pin DIP (300mil) Outline Dimensions Symbol Rev. 1.50 Dimensions in mil Min. Nom. 355 240 125 125 16 50 100 295 335 0 7 HT93LC46 Max. 375 260 135 145 20 70 315 375 15 October 25, 2007 ...

Page 8

... SOP (150mil) Outline Dimensions Symbol Rev. 1.50 Dimensions in mil Min. Nom. 228 149 14 189 HT93LC46 Max. 244 157 20 197 October 25, 2007 ...

Page 9

... TSSOP Outline Dimensions Symbol Rev. 1.50 Dimensions in mm Min. Nom. 1.05 0.05 0.95 0.25 0.11 2.90 6.20 4.30 0.65 0.50 0. HT93LC46 Max. 1.20 0.15 1.05 0.15 3.10 6.60 4.50 0.70 1.10 0.10 8 October 25, 2007 ...

Page 10

... Product Tape and Reel Specifications Reel Dimensions SOP 8N, TSSOP 8L Symbol Description A Reel Outer Diameter B Reel Inner Diameter C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange T2 Reel Thickness Rev. 1.50 Dimensions in mm 330 1.0 62 1.5 13.0+0.5 0.2 2.0 0.5 12.8+0.3 0.2 18.2 0.2 10 HT93LC46 October 25, 2007 ...

Page 11

... Carrier Tape Width P Cavity Pitch E Perforation Position F Cavity to Perforation (Width Direction) D Perforation Diameter D1 Cavity Hole Diameter P0 Perforation Pitch P1 Cavity to Perforation (Length Direction) A0 Cavity Length B0 Cavity Width K0 Cavity Depth t Carrier Tape Thickness C Cover Tape Width Rev. 1.50 Dimensions in mm 12.0+0.3 0.1 8.0 0.1 1.75 0.1 5.5 0.1 1.55 0.1 1.5+0.25 4.0 0.1 2.0 0.1 6.4 0.1 5.20 0.1 2.1 0.1 0.3 0.05 9.3 Dimensions in mm 12.0+0.3 0.1 8.0 0.1 1.75 0.1 5.5 0.5 1.5+0.1 1.5+0.1 4.0 0.1 2.0 0.1 7.0 0.1 3.6 0.1 1.6 0.1 0.3 0.013 9.3 11 HT93LC46 October 25, 2007 ...

Page 12

... Holtek s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.50 12 HT93LC46 October 25, 2007 ...

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