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ST93CS66

STMicroelectronics
Part Number ST93CS66
Manufacturer STMicroelectronics
Description (ST93CS66 / ST93CS67) 4K 256 x 16 SERIAL MICROWIRE EEPROM
Published Sep 16, 2009
Detailed Description www.DataSheet4U.com ST93CS66 ST93CS67 4K (256 x 16) SERIAL MICROWIRE EEPROM NOT FOR NEW DESIGN 1 MILLION ERASE/WRITE C...
Datasheet PDF File ST93CS66 PDF File

ST93CS66
ST93CS66

Overview
www.
DataSheet4U.
com ST93CS66 ST93CS67 4K (256 x 16) SERIAL MICROWIRE EEPROM NOT FOR NEW DESIGN 1 MILLION ERASE/WRITE CYCLES, with 40 YEARS DATA RETENTION SELF-TIMED PROGRAMMING CYCLE with AUTO-ERASE READY/BUSY SIGNAL DURING PROGRAMMING SINGLE SUPPLY VOLTAGE – 3V to 5.
5V for the ST93CS66 – 2.
5V to 5.
5V for the ST93CS67 USER DEFINED WRITE PROTECTED AREA PAGE WRITE MODE (4 WORDS) SEQUENTIAL READ OPERATION 5ms TYPICAL PROGRAMMING TIME ST93CS66 and ST93CS67 are replaced by the M93S66 8 1 PSDIP8 (B) 0.
25mm Frame 14 1 SO14 (ML) 150mil Width Figure 1.
Logic Diagram DESCRIPTION The ST93CS66 and ST93CS67 are 4K bit Electrically Erasable Programmable Memory (EEPROM) fabricated with SGS-THOMSON’s High Endurance Single Polysilicon CMOS technology.
The memory is accessed through a serial input D and output Q.
The 4K bit memory is organized as 256 x 16 bit words.
The memory is accessed by a set of instructions which include Read, Write, Page Write, Write All and instructions used to set the memory protection.
A Read instruction loads the address of the first word to be read into an internal address pointer.
Table 1.
Signal Names S D Q C PRE W VCC VSS Chip Select Input Serial Data Input Serial Data Output Serial Clock Protect Enable Write Enable Supply Voltage Ground VCC D C S PRE W ST93CS66 ST93CS67 Q VSS AI00906B June 1997 This is information on a product still in production bu t not recommended for new de signs.
1/16 www.
DataSheet4U.
com ST93CS66, ST93CS67 Figure 2A.
DIP Pin Connections Figure 2B.
SO Pin Connections ST93CS66 ST93CS67 ST93CS66 ST93CS67 S C D Q 1 2 3 4 8 7 6 5 AI00907B VCC PRE W VSS NC S C NC D Q NC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 AI00908C NC VCC PRE NC W VSS NC Warning: NC = Not Connected.
Table 2.
Absolute Maximum Ratings (1) Symbol TA TSTG TLEAD VIO VCC VESD Parameter Ambient Operating Temperature Storage Temperature Lead Temperature, Soldering (SO14 package) (PSDIP8 package) 40 sec 10 sec Value –40 to 85 –65 to 150 215 260 –0.
3 to VCC +0.
5...


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