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93LCS66-SN Arkusz danych(PDF) 1 Page - Microchip Technology |
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93LCS66-SN Arkusz danych(HTML) 1 Page - Microchip Technology |
1 / 12 page © 1996 Microchip Technology Inc. Preliminary DS11181D-page 1 FEATURES • Single supply with programming operation down to 2.5V • Low power CMOS technology - 1 mA active current typical -5 µA standby current (typical) at 3.0V • x16 memory organization - 128x16 (93LCS56) - 256x16 (93LCS66) • Software write protection of user defined memory space • Self timed erase and write cycles • Automatic ERAL before WRAL • Power on/off data protection • Industry standard 3-wire serial I/O • Device status signal during E/W • Sequential READ function • 1,000,000 E/W cycles guaranteed • Data retention > 200 years • 8-pin PDIP/SOIC and 14-pin SOIC packages • Temperature ranges supported - Commercial (C): 0˚C to +70˚C - Industrial (I): -40˚C to +85˚C BLOCK DIAGRAM DESCRIPTION The Microchip Technology Inc. 93LCS56/66 are low volt- age Serial Electrically Erasable PROMs with memory capacities of 2K bits/4K bits respectively. A write protect register is included in order to provide a user defined region of write protected memory. All memory locations greater than or equal to the address placed in the write protect register will be protected from any attempted write or erase operation. It is also possible to protect the address in the write protect register permanently by using a one time only instruction (PRDS). Any attempt to alter data in a register whose address is equal to or greater than the address stored in the protect register will be aborted. Advanced CMOS technology makes this device ideal for low power non-volatile memory applications. MEMORY ARRAY ADDRESS DECODER VCC VSS DATA REGISTER DO MODE DECODE LOGIC CLOCK GENERATOR OUTPUT BUFFER DI CS CLK PRE ADDRESS COUNTER PE 93LCS56/66 2K/4K 2.5V Microwire® Serial EEPROM with Software Write Protect PACKAGE TYPES 93LCS56 93LCS66 93LCS56 93LCS66 93LCS56 93LCS66 SOIC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 NC VCC PRE NC PE VSS NC NC CS CLK NC DI DO NC SOIC 1 2 3 4 8 7 6 5 VCC PRE PE VSS CS CLK DI DO 1 2 3 4 8 7 6 5 VCC PRE PE VSS CS CLK DI DO DIP Microwire is a registered trademark of National Semiconductor Incorporated. This document was created with FrameMaker404 |
Podobny numer części - 93LCS66-SN |
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Podobny opis - 93LCS66-SN |
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