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93C46B-SM Datasheet(PDF) 1 Page - Microchip Technology |
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93C46B-SM Datasheet(HTML) 1 Page - Microchip Technology |
1 / 12 page © 1997 Microchip Technology Inc. Preliminary DS21172D-page 1 M 93C46B FEATURES • Single supply 5.0V operation • Low power CMOS technology - 1 mA active current (typical) -1 µA standby current (maximum) • 64 x 16 bit organization • Self-timed ERASE and WRITE cycles (including auto-erase) • Automatic ERAL before WRAL • Power on/off data protection circuitry • Industry standard 3-wire serial interface • Device status signal during ERASE/WRITE cycles • Sequential READ function • 1,000,000 E/W cycles guaranteed • Data retention > 200 years • 8-pin PDIP/SOIC and 8-pin TSSOP packages • Available for the following temperature ranges: BLOCK DIAGRAM DESCRIPTION The Microchip Technology Inc. 93C46B is a 1K-bit, low-voltage serial Electrically Erasable PROM. The device memory is configured as 64 x 16 bits. Advanced CMOS technology makes this device ideal for low-power, nonvolatile memory applications. The 93C46B is available in standard 8-pin DIP, surface mount SOIC, and TSSOP packages. The 93C46BX are only offered in a 150 mil SOIC package. PACKAGE TYPE - Commercial (C): 0 °C to +70 °C - Industrial (I): -40 °C to +85 °C - Automotive (E): -40 °C to +125°C VCC VSS DI CS CLK DO MEMORY ARRAY ADDRESS DECODER ADDRESS COUNTER DATA REGISTER OUTPUT BUFFER MEMORY DECODE LOGIC CLOCK GENERATOR CS CLK DI DO 1 2 3 4 8 7 6 5 VCC NC NC VSS CS CLK DI DO VCC NC NC VSS NU VCC CS CLK NC VSS DO DI CS CLK DI DO 1 2 3 4 8 7 6 5 VCC NC NC VSS TSSOP SOIC SOIC 1 2 3 4 DIP 8 7 6 5 1 2 3 4 8 7 6 5 1K 5.0V Microwire® Serial EEPROM Microwire is a registered trademark of National Semiconductor Incorporated. |
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