GX2431 GX2431 1024-Bit, 1-Wire EEPROM GX2431 1024 1-Wire EEPROM 256 1024 EEPROM 256 8 EEPROM EEPROM ( 0) EPROM EPROM 1 0 GX2431 1-Wire IEC 1000-4-2 Level 4 ESD (8kV 1-Wire 15kV ) 64 ROM -40C +85C 2.8V 5.25V 1-Wire 1-Wire 15.4kbps 125kbps /PC IEEE-P1451.4 / V CC PART TEMP RANGE PIN-PACKAGE GX2431 -40C to +85C TO-92 GX2431/T&R -40C to +85C TO-92 tape&reel R PUP GX2431D -40C to +85C DFN6 GX2431P -40C to +85C MSOP8 GX2431S -40C to +85C SP2 GX2431Q -40C to +85C UT QFN I/O C GX2431 GND 1 of 26 GX2431: 1024 , 1-Wire EEPROM ABSOLUTE MAXIMUM RATINGS I/O Voltage to GND -0.5V, +6V I/O Sink Current 20mA Operating Temperature Range -40C to +85C Junction Temperature +150C Storage Temperature Range -40C to +85C Soldering Temperature See IPC/JEDEC J-STD-020A Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (T = -40C to +85C see Note 1.) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS I/O PIN GENERAL DATA 1-Wire Pullup Voltage (Notes 2) 2.8 5.25 V V PUP 1-Wire Pullup Resistance (Notes 2, 3) R 0.3 2.2 k PUP Input Capacitance C (Notes 4, 5) 1000 pF IO Input Load Current I I/O pin at V 0.05 6.7 A L PUP High-to-Low Switching 0.5 V -1.8 PUP V (Notes 5, 6, 7) V TL Threshold Input Low Voltage V (Notes 2, 8) 0.3 V IL Low-to-High Switching 1.0 V -1.0 PUP V (Notes 5, 6, 9) V TH Threshold Switching Hysteresis V (Notes 5, 6, 10) 0.21 1.70 V HY Output Low Voltage V At 4mA (Note 11) 0.4 V OL Standard speed, R = 2.2k 5 PUP Recovery Time Overdrive speed, R = 2.2k 2 PUP t s REC (Notes 2,12) Overdrive speed, directly prior to reset 5 pulse R = 2.2k PUP Rising-Edge Hold-off Time Standard speed 0.5 5.0 tREH s (Notes 5, 13) Overdrive speed Not applicable (0) Timeslot Duration Standard speed 65 t s SLOT (Notes 2, 14) Overdrive speed 8 I/O PIN, 1-Wire RESET, PRESENCE DETECT CYCLE Standard speed 480 640 Reset Low Time (Note 2) t s RSTL Overdrive speed 48 80 Standard speed 15 60 Presence Detect High t s PDH Time Overdrive speed 2 6 Standard speed 60 240 Presence Detect Low t s PDL Time Overdrive speed 8 24 Standard speed 60 75 Presence Detect Sample t s MSP Time (Notes 2, 15) Overdrive speed 6 10 I/O PIN, 1-Wire WRITE Standard speed 60 120 Write-0 Low Time (Notes t Overdrive speed, V > 4.5V 5 15.5 s W0L PUP 2, 16) Overdrive speed 6 15.5 Write-1 Low Time Standard speed 1 15 - t s W1L (Notes 2, 17) Overdrive speed 1 2 - I/O PIN, 1-Wire READ Read Low Time Standard speed 5 15 - s tRL (Notes 2, 18) Overdrive speed 1 2 - Standard speed t + 15 Read Sample Time RL t s MSR (Notes 2, 18) Overdrive speed 2 tRL + EEPROM Programming Current I (Notes 5, 19) 0.8 mA PROG Programming Time (Notes 20, 21) 10 ms t PROG Write/Erase Cycles (En- At +25C 200k N CY durance) (Notes 22, 23) At +85C (worst case) 50k Data Retention t At +85C (worst case) 40 years DR (Notes 24, 25, 26) 2 of 26