93AA46 93AA46 93AA46X 93AA56 93AA56 93AA56X 93AA66 93AA66 93AA66X Not recommended for new designs Please use 93AA46C, 93AA56C or 93AA66C. 93AA46/56/66 1K/2K/4K 1.8V Microwire Serial EEPROM Features: Package Types Single supply with programming operation down PDIP to 1.8V CS 1 8 V CC Low-power CMOS technology: -70 A typical active read current at 1.8V CLK 2 7 NU -2 A typical standby current at 1.8V DI 3 6 ORG ORG pin selectable memory configuration: - 128 x 8- or 64 x 16-bit organization (93AA46) DO 4 5 VSS - 256 x 8- or 128 x 16-bit organization (93AA56) SOIC - 512 x 8 or 256 x 16-bit organization (93AA66) 1 8 V Self-timed erase and write cycles CS CC (including auto-erase) 2 7 CLK NU Automatic ERAL before WRAL Power on/off data protection circuitry 3 6 DI ORG Industry standard 3-wire serial I/O Device status signal during erase/write cycles 4 5 DO VSS Sequential read function SOIC 1,000,000 E/W cycles ensured Data retention > 200 years 1 8 NU ORG 8-pin PDIP/SOIC (SOIC in JEDEC and EIAJ standards) 2 7 Vcc Vss Temperature ranges supported: 3 6 CS DO - Commercial (C): 0C to +70C - Industrial (I): -40C to +85C 4 5 DI CLK Description: The Microchip Technology Inc. 93AA46/56/66 are 1K, Block Diagram 2K and 4K low voltage serial Electrically Erasable VCC VSS PROMs. The device memory is configured as x8 or x16 bits depending on the ORG pin setup. Advanced Address Memory CMOS technology makes these devices ideal for low Decoder Array power nonvolatile memory applications. The 93AA Series is available in standard 8-pin PDIP and surface Address mount SOIC packages. The rotated pin-out 93AA46X/ Counter 56X/66X are offered in the SN package only. Output Data DO Register Buffer DI Mode ORG Decode Logic CS Clock CLK Generator 1998-2012 Microchip Technology Inc. DS20067K-page 193AA46/56/66 1.0 ELECTRICAL CHARACTERISTICS () Absolute Maximum Ratings VCC.............................................................................................................................................................................7.0V All inputs and outputs w.r.t. VSS ......................................................................................................... -0.6V to VCC +1.0V Storage temperature ...............................................................................................................................-65C to +150C Ambient temperature with power applied................................................................................................-40C to +125C Soldering temperature of leads (10 seconds) .......................................................................................................+300C ESD protection on all pins..........................................................................................................................................4 kV NOTICE: Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. DS20067K-page 2 1998-2012 Microchip Technology Inc.