24XX024 24XX024 24XX025 24XX025 24AA024/24LC024/24AA025/24LC025 2 2K I C Serial EEPROM Device Selection Table Description The Microchip Technology Inc. 24AA024/24LC024/ Part Max Temp. Write VCC Range 24AA025/24LC025 is a 2 Kbit Serial Electrically Number Clock Range Protect Erasable PROM with a voltage range of 1.8V to 5.5V. (1) IYes The device is organized as a single block of 256 x 8-bit 24AA024 1.8V - 5.5V 400 KHz memory with a 2-wire serial interface. Low current (1) 24AA025 1.8V - 5.5V 400 KHz INo design permits operation with typical standby and active currents of only 1 A and 1 mA, respectively. 24LC024 2.5V - 5.5V 400 KHz I Yes The device has a page write capability for up to 16 24LC025 2.5V - 5.5V 400 KHz I No bytes of data. Functional address lines allow the connection of up to eight 24AA024/24LC024/ Note 1: 100 KHz for VCC < 2.5V 24AA025/24LC025 devices on the same bus for up to 16K bits of contiguous EEPROM memory. The device Features is available in the standard 8-pin PDIP, 8-pin SOIC (150 mil), TSSOP and MSOP packages. Single supply with operation from 1.8V to 5.5V Low-power CMOS technology Package Types - 1 mA active current typical PDIP/SOIC A0 1 8 VCC -1 A standby current typical at 5.5V Organized as a single block of 256 bytes (256 x 8) A1 2 7 WP* Hardware write protection for entire array (24XX024) A2 3 6 SCL 2 2-wire serial interface bus, I C compatible VSS 4 5 SDA 100 kHz and 400 kHz clock compatibility Page write buffer for up to 16 bytes TSSOP/MSOP 1 8 Self-timed write cycle (including auto-erase) A0 VCC 2 7 A1 WP* 10 ms max. write cycle time 3 6 A2 SCL Address lines allow up to eight devices on bus 4 5 VSS SDA 1,000,000 erase/write cycles ESD protection > 4,000V Block Diagram Data retention > 200 years WP* A0 A1 A2 8-pin PDIP, SOIC, TSSOP and MSOP packages HV Generator Available for extended temperature ranges - Industrial (I): -40C to +85C I/O Memory Control Control EEPROM Logic Logic XDEC Pin Function Table Array Name Function SDA SCL VSS Ground Write-Protect SDA Serial Data VCC Circuitry YDEC SCL Serial Clock VSS VCC 1.8V to 5.5V Power Supply Sense Amp. R/W Control A0, A1, A2 Chip Selects WP Hardware Write-Protect (24LC024) Note: *WP pin available only on 24XX024. This pin has no internal connection on 24XX025. 2004 Microchip Technology Inc. DS21210G-page 124AA024/24LC024/24AA025/24LC025 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 ...............................................................................................................................-65C to +150C Ambient temperature with power applied................................................................................................-40C to +125C 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 those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. TABLE 1-1: DC CHARACTERISTICS All parameters apply across the CC = 1.8V to 5.5V V specified operating ranges unless Industrial (I): TA = -40C to +85C otherwise noted. Parameter Symbol Min. Max. Units Conditions SCL and SDA pins: High-level input voltage VIH 0.7 VCC V Low-level input voltage VIL 0.3 VCC V Hysteresis of Schmitt Trigger inputs VHYS 0.05 VCC V (Note) Low-level output voltage VOL 0.40 V IOL = 3.0 mA, VCC = 4.5V IOL = 2.1 mA, VCC = 2.5V Input leakage current ILI 1 AVIN = 0.1V to 5.5V, WP = VSS Output leakage current ILO 1 AVOUT = 0.1V to 5.5V Pin capacitance (all inputs/outputs) CIN, COUT 10 pFVCC = 5.0V (Note) TA = 25C, f = 1 MHz Operating current ICC Read 1 mA VCC = 5.5V, SCL = 400 kHz ICC Write 3 mA VCC = 5.5V Standby current ICCS 1 AVCC = 5.5V, SDA = SCL = VCC WP = VSS, A0, A1, A2 = VSS Note: This parameter is periodically sampled and not 100% tested. DS21210G-page 2 2004 Microchip Technology Inc.