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93LC66A Datasheet(PDF) 1 Page - Microchip Technology |
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93LC66A Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 12 page  1998 Microchip Technology Inc. DS21209C-page 1 93LC66A/B FEATURES • Single supply with operation down to 2.5V • Low power CMOS technology - 1 mA active current (typical) - 1 µA standby current (maximum) • 512 x 8 bit organization (93LC66A) • 256 x 16 bit organization (93LC66B) • 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. 93LC66A/B are 4K-bit, low voltage serial Electrically Erasable PROMs. The device memory is configured as x8 (93LC66A) or x16 bits (93LC66B). Advanced CMOS technology makes these devices ideal for low power nonvolatile memory applications. The 93LC66A/B is available in standard 8-pin DIP, surface mount SOIC, and TSSOP packages. The 93LC66AX/BX 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 Vcc Vss DI CS CLK DO MEMORY ARRAY ADDRESS DECODER ADDRESS COUNTER DATA REGISTER OUTPUT BUFFER MODE DECODE CLOCK GENERATOR LOGIC CS CLK DI DO 1 2 3 4 8 7 6 5 Vcc NC NC Vss CS CLK DI DO VCC NC NC Vss NC 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 4K 2.5V Microwire® Serial EEPROM Microwire is a registered trademark of Motorola. |
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