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24AA128IST Datasheet(PDF) 2 Page - Microchip Technology |
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24AA128IST Datasheet(HTML) 2 Page - Microchip Technology |
2 / 12 page 24AA128/24LC128 DS21191B-page 2 © 1998 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* VCC.................................................................................................7.0V All inputs and outputs w.r.t. VSS ............................. -0.6V to VCC +1.0V Storage temperature ...................................................-65 °C to +150°C Ambient temp. with power applied...............................-65 °C to +125°C Soldering temperature of leads (10 seconds) ...........................+300 °C ESD protection on all pins........................................................... ≥ 4 kV *Notice: Stresses above those listed under “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 peri- ods may affect device reliability. TABLE 1-1 PIN FUNCTION TABLE FIGURE 1-1: BUS TIMING DATA Name Function A0, A1, A2 User Configurable Chip Selects VSS Ground SDA Serial Data SCL Serial Clock WP Write Protect Input VCC +1.8 to 5.5V (24AA128) +2.5 to 5.5V (24LC128) TABLE 1-2 DC CHARACTERISTICS All parameters apply across the specified operating ranges, unless otherwise noted. Industrial (I): VCC = +1.8V to 5.5V Tamb = -40 °C to +85°C Automotive (E): VCC = +4.5V to 5.5V Tamb = -40 °C to 125°C Parameter Symbol Min Max Units Conditions A0, A1, A2, SCL, SDA, and WP pins: High level input voltage VIH 0.7 VCC —V Low level input voltage VIL — 0.3 VCC 0.2 VCC V V VCC ≥ 2.5V VCC < 2.5V Hysteresis of Schmitt Trigger inputs (SDA, SCL pins) VHYS 0.05 VCC —V VCC ≥ 2.5V (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 -10 10 µA VIN = VSS or VCC, WP = VSS VIN = VSS or VCC, WP = VCC Output leakage current ILO -10 10 µAVOUT = VSS or VCC Pin capacitance (all inputs/outputs) CIN, COUT —10 pF VCC = 5.0V (Note) Tamb = 25 °C, f c= 1 MHz Operating current ICC Read — 400 µAVCC = 5.5V, SCL = 400 kHz ICC Write — 3 mA VCC = 5.5V Standby current ICCS —1 µA SCL = SDA = VCC = 5.5V A0, A1, A2, WP = VSS Note: This parameter is periodically sampled and not 100% tested. WP (unprotected) (protected) TSU:WP THD:WP SCL SDA IN TSU:STA SDA OUT THD:STA TLOW THIGH TR TBUF TAA THD:DAT TSU:DAT TSU:STO TSP TF VHYS |
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