NM93C66EN

NM93C66EN Datasheet

NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus

Part	Datasheet
NM93C66EN	NM93C66EN (pdf)

Related Parts	Information
NM93C66LN	NM93C66LN
NM93C66EM8	NM93C66EM8
NM93C66M8	NM93C66M8

PDF Datasheet Preview
NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus February 2000 NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRE Synchronous Bus NM93C66 is a 4096-bit CMOS non-volatile EEPROM organized as 256 x 16-bit array. This device features MICROWIRE interface which is 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. There are 7 instructions implemented on the NM93C66 for various Read, Write, Erase, and Write Enable/Disable 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 NM93C66 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. I Wide VCC 2.7V - 5.5V I Typical active current of 200µA 10µA standby current typical 1µA standby current typical L 0.1µA 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 Functional Diagram CS SK INSTRUCTION REGISTER ADDRESS REGISTER INSTRUCTION DECODER CONTROL LOGIC AND CLOCK GENERATORS DECODER EEPROM ARRAY 16 READ/WRITE AMPS 16 DATA IN/OUT REGISTER 16 BITS DATA OUT BUFFER HIGH VOLTAGE GENERATOR AND PROGRAM TIMER 2000 Fairchild Semiconductor International NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus Connection Diagram Dual-In-Line Package N SO M8 and TSSOP MT8 CS 1 SK 2 DI 3 DO 4 5 GND Top View Package Number N08E, M08A and MTC08 Pin Names Chip Select Serial Data Clock Serial Data Input Serial Data Output Ground No Connect Power Supply NOTE Pins designated as "NC" are typically unbonded pins. However some of them are bonded for special testing purposes. Hence if a signal is applied to these pins, care should be taken that the voltage applied on these pins does not exceed the VCC applied to the device. This will ensure proper operation. Ordering Information NM 93 C XX LZ E XXX Letter Description Package Temp. Range Voltage Operating Range Density Interface N M8 MT8 8-pin DIP 8-pin SO 8-pin TSSOP None V E 0 to 70°C -40 to +125°C -40 to +85°C Blank L LZ 4.5V to 5.5V 2.7V to 5.5V 2.7V to 5.5V and <1µA Standby Current 4096 bits CMOS Data protect and sequential read MICROWIRE Fairchild Memory Prefix NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus Absolute Maximum Ratings Note 1 Operating Conditions Ambient Storage Temperature All Input or Output Voltages with Respect to Ground Lead Temperature Soldering, 10 sec. ESD rating -65°C to +150°C +6.5V to -0.3V +300°C 2000V Ambient Operating Temperature NM93C66 NM93C66E NM93C66V Power Supply VCC 0°C to +70°C -40°C to +85°C -40°C to +125°C 4.5V to 5.5V DC and AC Electrical Characteristics VCC = 4.5V to 5.5V unless otherwise specified ICCA ICCS IIL IOL VIL VIH VOL1 VOH1 VOL2 VOH2 tSKH Parameter Operating Current Standby Current

PDF Datasheet Preview

NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus

February 2000

NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRE Synchronous Bus

NM93C66 is a 4096-bit CMOS non-volatile EEPROM organized as 256 x 16-bit array. This device features MICROWIRE interface which is 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. There are 7 instructions implemented on the NM93C66 for various Read, Write, Erase, and Write Enable/Disable 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 NM93C66 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.

I Wide VCC 2.7V - 5.5V I Typical active current of 200µA
10µA standby current typical 1µA standby current typical L 0.1µA 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

Functional Diagram

CS SK

INSTRUCTION REGISTER

ADDRESS REGISTER

INSTRUCTION DECODER

CONTROL LOGIC AND CLOCK

GENERATORS

DECODER

EEPROM ARRAY 16

READ/WRITE AMPS 16

DATA IN/OUT REGISTER 16 BITS

DATA OUT BUFFER

HIGH VOLTAGE GENERATOR AND PROGRAM TIMER
2000 Fairchild Semiconductor International

NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus

Connection Diagram

Dual-In-Line Package N SO M8 and TSSOP MT8

CS 1 SK 2 DI 3 DO 4
5 GND

Top View Package Number N08E, M08A and MTC08

Pin Names

Chip Select

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

No Connect

Power Supply

NOTE Pins designated as "NC" are typically unbonded pins. However some of them are bonded for special testing purposes. Hence if a signal is applied to these pins, care should be taken that the voltage applied on these pins does not exceed the VCC applied to the device. This will ensure proper operation.
Ordering Information

NM 93 C XX LZ E XXX

Letter Description

Package Temp. Range Voltage Operating Range

Density Interface

N M8 MT8
8-pin DIP 8-pin SO 8-pin TSSOP

None V E
0 to 70°C -40 to +125°C -40 to +85°C

Blank L LZ
4.5V to 5.5V 2.7V to 5.5V 2.7V to 5.5V and <1µA Standby Current
4096 bits

CMOS

Data protect and sequential
read

MICROWIRE

Fairchild Memory Prefix

NM93C66 4096-Bit Serial CMOS EEPROM MICROWIRETM Synchronous Bus

Absolute Maximum Ratings Note 1

Operating Conditions

Ambient Storage Temperature

All Input or Output Voltages with Respect to Ground

Lead Temperature Soldering, 10 sec.

ESD rating
-65°C to +150°C +6.5V to -0.3V
+300°C 2000V

Ambient Operating Temperature NM93C66 NM93C66E NM93C66V

Power Supply VCC
0°C to +70°C -40°C to +85°C -40°C to +125°C
4.5V to 5.5V

DC and AC Electrical Characteristics VCC = 4.5V to 5.5V unless otherwise specified

ICCA

ICCS

IIL IOL

VIL VIH

VOL1 VOH1

VOL2 VOH2
tSKH

Parameter

Operating Current

Standby Current

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived NM93C66EN Datasheet file may be downloaded here without warranties.

Datasheet ID: NM93C66EN 634652