Details, datasheet, quote on part number: NM93CS46V
PartNM93CS46V
Category
Description
CompanyN.A.
DatasheetDownload NM93CS46V datasheet
  

 

Features, Applications
NM93CS46 (MICROWIRE Bus Interface) 1024-Bit Serial EEPROM with Data Protect and Sequential Read
NM93CS46 (MICROWIRETM Bus Interface) 1024-Bit Serial EEPROM with Data Protect and Sequential Read

a 1024-bit CMOS non-volatile EEPROM organized x 16-bit array. This device features MICROWIRE interface which a 4-wire serial bus with chipselect (CS), clock (SK), data input (DI) and data output (DO) signals. This interface is compatible to many of standard Microcontrollers and Microprocessors. NM93CS46 offers programmable write protection to the memory array using a special register called Protect Register. Selected memory locations can be protected against write by programming this Protect Register with the address of the first memory location to be protected (all locations greater than or equal to this first address are then protected from further change). Additionally, this address can be "permanently locked" into the device, making all future attempts to change data impossible. In addition this device features "sequential read", by which, entire memory can be read in one cycle instead of multiple single byte read cycles. There are 10 instructions implemented on the 5 of which are for memory operations and the remaining 5 are for Protect Register operations. This device is fabricated using Fairchild Semiconductor floating-gate CMOS process for high reliability, high endurance and low power consumption. "LZ" and "L" versions of NM93CS46 offer very low standby current making them suitable for low power applications. This device is offered in both SO and TSSOP packages for small space considerations.

Features

I Wide VCC 5.5V I Programmable write protection I Sequential register read I Typical active current 200ľA 10ľA standby current typical 1ľA standby current typical (L) 0.1ľA standby current typical (LZ) I No Erase instruction required before Write instruction I Self timed write cycle I Device status during programming cycles I 40 year data retention I Endurance: 1,000,000 data changes I Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP

SK DI INSTRUCTION REGISTER VCC INSTRUCTION DECODER CONTROL LOGIC AND CLOCK GENERATORS PRE PE
DATA IN/OUT REGISTER 16 BITS DO DATA OUT BUFFER

DI DO GND PE PRE VCC Chip Select Serial Data Clock Serial Data Input Serial Data Output Ground Program Enable Protect Register Enable Power Supply

Description

8-pin DIP SO 8-pin TSSOP to 5.5V and <1ľA Standby Current Normal Pin Out Rotated Pin Out 1024 bits CMOS Data protect and sequential read MICROWIRE

Ambient Storage Temperature All Input or Output Voltages with Respect to Ground Lead Temperature (Soldering, 10 sec.) ESD rating to -0.3V

Ambient Operating Temperature NM93CS46E NM93CS46V Power Supply (VCC) to 5.5V

ICCA ICCS IIL IOL VIL VIH VOL2 VOH2 fSK tSKH tSKL tSKS tCS tCSS tPRES tDH tPES tDIS tCSH tPEH tPREH tDIH tPD tSV tDF tWP

Operating Current Standby Current Input Leakage Output Leakage Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage Output Low Voltage Output High Voltage SK Clock Frequency SK High Time SK Low Time SK Setup Time Minimum CS Low Time CS Setup Time PRE Setup Time DO Hold Time PE Setup Time DI Setup Time CS Hold Time PE Hold Time PRE Hold Time DI Hold Time Output Delay CS to Status Valid DO in Hi-Z Write Cycle Time


 

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NM93CS46E
NM93CS46L
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0-C     D-L     M-R     S-Z