MAX6627/MAX6628 Remote ±1°C Accurate Digital Temperature Sensors with SPI-Compatible Serial Interface Electrical Characteristics (continued) (3.0V ≤ VCC ≤ 5.5V, -55°C ≤ TA ≤ +125°C, unless otherwise noted. Typical values are at TA = +25°C, VCC = +3.3V, unless otherwise noted.) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSLOGIC INPUTS (CS, SCK) Logic Input Low Voltage V 0.3 x IL V V CC Logic Input High Voltage V 0.7 x IH V V CC Input Leakage Current ILEAK VCS = VSCK = GND or VCC 1 µA LOGIC OUTPUTS (SDO) Output Low Voltage VOL ISINK = 1.6mA 0.4 Output High Voltage VOH ISOURCE = 1.6mA VCC - 0.4 V TIMING CHARACTERISTICS (Note 2, Figure 2) Serial-Clock Frequency fSCL 5 MHz SCK Pulse Width High tCH 100 ns SCK Pulse Width Low tCL 100 ns CS Fall to SCK Rise tCSS CLOAD = 10pF 80 ns CS Fall to Output Enable tDV CLOAD = 10pF 80 ns CS Rise to Output Disable tTR CLOAD = 10pF 50 ns SCK Fall to Output Data Valid tDO CLOAD = 10pF 80 ns Note 1: TRJ is the temperature of the remote junction. Note 2: Serial timing characteristics guaranteed by design. www.maximintegrated.com Maxim Integrated │ 3