93C46 PDF Datasheet – 1K Microwire Serial EEPROM

Part Number: 93C46

Function: 1K Microwire Serial EEPROM

Package: 8-lead MSOP and 6-lead SOT-23 Type

Manufacturer: Microchip Technology


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93C46 image


The Microchip Technology Inc. 93AA46, 93LC46, 93C46, 93AA46A/B, 93LC46A/B & 93C46A/B are 1K low voltage serial Electrically Erasable PROMs (EEPROM). Generic memory devices such as the 93AA46, 93LC46 or 93C46 are dependent upon external logic levels driving the ORG pin to set word size. For dedicated 8-bit communication, the 93AA46A, 93LC46A or 93C46A devices are selected, while the 93AA46B, 93LC46B and 93C46B devices are selected for 16 bits. Advanced CMOS technology makes these devices ideal for low power, non-volatile memory applications. This 93XX Series is available in standard 8-lead MSOP and 6-lead SOT-23 packages.


• Low power CMOS technology • ORG pin for selectable memory configuration • No org pin for dedicated word sizes – 128 x 8-bit organization ‘A’ version devices – 64 x 16-bit organization ‘B’ version devices • Self-timed ERASE and WRITE cycles (including auto-erase) • Automatic ERAL before WRAL • Power on/off data protection circuitry • Industry standard 3-wire serial I/O • Device status signal during ERASE/WRITE cycles • Sequential READ function • 1,000,000 E/W cycles • Data retention > 200 years • 8-pin MSOP and 6-pin SOT • Temperature ranges supported: – Industrial (I): -40°C to +85°C – Automotive (E) -40°C to +125°C Package Types MSOP CS CLK DI DO 1 2 3 4 8 VCC 7 NU 6 ORG- 5 VSS – Org pin is not available on A/B devices

Block Diagram :

VCC VSS MEMORY ARRAY ADDRESS DECODER DI ORG- CS DATA REGISTER MODE DECODE LOGIC ADDRESS COUNTER OUTPUT BUFFER DO CLK CLOCK REGISTER – Org input is not available on A/B devices SOT-23*- DO 1 VSS 2 DI 3 6 VCC 5 CS 4 CLK *- SOT-23 device only offered in A/B versions  2002 Microchip Technology Inc. DS21749A-page 1 93XX46, 93XX46A/B 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings† VCC .6.5V All inputs and outputs w.r.t. VSS . -0.6V to VCC +1.0V Storage temperature …-65°C to +150°C Ambient temp. with power applied ..-40°C to +125°C ESD prote […]

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93C46 Datasheet